sgk physics and chemistry material 2011

JAI GURU DEV

SGK Study Material +2 Chemistry (6th Edition)

+2 Physics (4th Edition)

2010-2011

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Unit

Weigh-

tage

marks

Part - I

1 marks

MCQ

Part - II

3 marks

VSA

Part - III

5 marks

SA

Part - IV

10 marks

LA

1 25 4 2 1 1

2 20 1 3 2 0

3 20 2 1 1 1

4 25 4 2 1 1

5 25 4 2 1 1

6 25 4 2 1 1

7 15 2 1 2 0

8 25 4 2 1 1

9 30 3 4 1 1

10 20 2 1 1 1

Total 230 30 20 12 8

Maximum no of

problems 5 X 1 = 5 5 X 3 = 15 3 X 5 = 15

http://www.froomple.com/

2

Numerical problems total marks: 5 + 15+ 15 = 35

Note: Only some important 1, 3, 5 & 10 mark questions

given from all units in this material.

Sl. No UNITS No. of

Qus. 30 Q.No

1 ELECTROSTATICS 4 1, 2, 3, 4

2 CURRENT ELECTRICITY 1 5

3 EFFECTS OF ELECTRICITY

CURRENT 2 6, 7

4 ELECTRO MAGNETIC INDUCTION AND A/C

4 8, 9, 10, 11

5 ELECTRO MAGNETIC WAVES AND

WAVE OPTICS 4 12, 13, 14, 15

6 ATOMIC PHYSICS 4 16, 17, 18, 19

7 DUAL NATURE 2 20, 21

8 NUCLEAR PHYSICS 4 22, 23, 24, 25

9 SEMI CONDUCTOR DEVICES 3 26, 27, 28

10 COMMUNICATION SYSTEMS 2 29, 30

One mark questions

Unit-1. EELLEECCTTRROO SSTTAATTIICCSS

Total no of one mark questions from this chapter- 4

Hint– Normally March question papers 2 question from Text book self

evaluation only.

1.Book Questions: (Refer Page No.40-42)

1. A glass rod rubbed with silk acquires a charge of +8 × 10-12 C. The

number of electrons it has gained or lost 5 x 10 7 lost

2. The electro static force between two point charges kept at

distance d apart, in a medium εr = 6, is 0.3 N. The force between

them at the same separation in vacuum is 1.8 N

3. Electric field intensity is 400 Vm-1 at a distance of 2m from a

point charge. It will be 100 Vm-1 at a distance 4 m (Mar 07)

4. Two point charges +4q and +q are placed 30cm apart. At what

point on the line joining them the electric field is zero?

20 cm from the charge 4q 5. A dipole is placed in a uniform electric field with its axis parallel

to the field. It experiences neither a net force nor a torque

(Mar 06, 07 & 08, Oct 07)

6. A If a point lies at a distance x from the midpoint of the dipole,

the electric potential at this point is proportional to

7. Four charges +q, +q, -q and –q respectively are placed at the

corners A, B, C and D of a square of side a. the electric potential

at the centre O of the square is zero (Oct 06)

3

8. Electric potential energy (U) of two point charges is (Mar 09,

June 10)

9. The work done in moving 500µc charge between two points on

equipotential surface is zero (June 07,10, Mar 08,10)

10. Which of the following quantities is scalar? Electric potential

(June 06 & 08, Mar 09)

11. The unit of permittivity is C2 N -1 m -2 (Oct 06, 08)

12. The number of electric lines of force originating from a charge of

1micro coulomb is 1.129 x 10 11

13. The electric field outside the plates of two oppositely charged

plane sheets of charge density σ is zero (Mar 06, Oct 09)

14. The capacitance of a parallel plate capacitor increase from 5µF to

60µF when a dielectric is filled between the plates. The dielectric

constant of the dielectric is 12 (June 08, Oct 10)

15. A hollow metal ball carrying an electric charge produced no

electric field at inside the sphere points. (June 06, Mar 10)

2. Additional Questions:

Note: Prepare one marks from frictional electricity, coulomb’s law,

electric field, electric lines of force, electric f ield intensity, dipole in

uniform electric f ield, electric potential energy and equipotential surface,

gauss law and its applications, dielectric and polarization effect,

capacitor in series and parallel and Van De Graff generator and Prepare

unit based questions for Electric field intensity, electric f luc,

permittivity, capacitance, electric dipole moment etc.

1. The unit of electric field intensity is NC-1 (or) VM-1

(Oct-06, June-08, Mar 09)

2. The unit of electric flux is Nm2 C-1 (Mar 06, June 09)

3. The relative permittivity of air is 1

4. The particle which cannot be accelerated by van- de- Graaff

generator is electron

5. An electric dipole is kept in a non-uniform electric field it

experiences a force and a torque (Mar 08)

6. The work done in moving 4µc charge from one point to another in

an electric field is 0.012J. The potential difference between them is

3000 V (Mar 06, Oct 09)

7. Torque on a dipole in a uniform electric field is maximum when

angle between P vector and E vector is 90° (June 06,Oct 09)

8. Potential energy of 2 equal negative point charges of magnitude

2µc placed 1 m apart in air is 0.036J (June 06)

9. The value of permittivity of free space is

(Oct 06)

10. The principle used in lightning conductors is corona discharge

(Oct 06)

11. Unit of electric dipole moment is Coulomb / metre (c /m)

(Mar 07)

12. Which is not a dielectric Gold (June 07)

13. The electric potential energy of an electric dipole in an electric

field is –PE cosθ. (Mar 07)

14. The direction of electric field at a point on the equatorial line due

to an electric dipole is Parallel to the axis of the dipole and

opposite to the direction of dipole moment (June 07)

15. When an electric dipole of dipole moment P is aligned parallel to

the electric field E then the potential energy of the dipole is given

as -PE (June 08)

16. A capacitor of capacitance 6µF is connected to a 100 V battery.

The energy stored in the capacitor is 0.03J (Mar 08)

4

17. The equivalent capacitance of 2 capacitors in series is 1.5µƒ. The

capacitance of one of them is 4µƒ. The value of capacitance of the

other is 2.4 µƒ (Oct 07 & 09)

18. The law that governs the force between electric chargers is

Coulomb’s law (Oct 07)

19. Quantization of electric charge is given by q = ne (Oct 08)

20. An example of conductor is human body (Oct 08)

21. The magnitude of the force acting on a charge of 2 x 10-10C placed

in a uniform electric field of 10 Vm-1 is 2x10-9N (Mar 09)

22. The torque (τ) experienced by an electric dipole placed in a

uniform electric field (E) at an angle (Ø) with the field is PE sin Ø

(June 09)

23. The negative gradient of potential is electric field intensity

(June 09, Oct 10)

24. When a point charge of 6μC is moved between 2 points in an

electric field, the work done is 1.8 x 10-5J. the potential difference

between the 2 points is 3V (Oct 09)

25. Van de Graaff generator is used to accelerate both protons and

deuterons.

26. If the total charged bodies of charge +3q and -9q are brought in

contact, the total charge of the system is -6q (Oct 07)

27. The number of electric lines of force originating from a charge of

1micro coulomb is 1.129 x 105 (Oct 07)

28. The capacitance of a parallel plate capacitor increases from 5μF

and 50μF, when the dielectric is filled between the plates, the

dielectric constant of the dielectric is 10. (June 09)

29. 3 Capacitor of capacitance, 1μF, 2μf, 3μF, are connected in

series. The effective capacitance of a capacitor is 6/11μF. (Mar 10)

30. An electric dipole of moment vector p is placed in a uniform

electric field of intensity vector E at an angle θ with respect to the

field. The direction of the torque is Perpendicular to the plane

containing Vector p and E. (Mar 10)

31. Electric field intensity at a distance r due to a infinitely long

straight charged wire is directly proportional to 1/r. (June 10)

32. The ratio of electric potential at point 10cm and 20cm from the

centre of an electric dipole along its axial line is 4:1. (June 10)

33. Capacitance of a capacitor is directly proportional to charge

and inversely proportional to potential (Oct 10)

Unit-2. CURRENT ELECTRICITY

Total of one mark questions from this chapter - 1

Hint – Normally less chance from Text book self evaluation.

1. Book Questions: (Refer Page No.74-75)

1. A charge of 60 C passes through an electric lamp in 2 minutes.

Then the current in the lamp is 0.5 A

2. The material through which electric charge can flow easily is

Copper (Oct 07)

3. The current flowing in a conductor is proportional to drift

velocity

4. A toaster operating at 240V has a resistance of 120Ω. The power

is480 W (June 10)

5. If the length of a copper wire has a certain resistance R, then on

doubling the length is specific resistance will remain the same

(Oct 06, June 08, Oct 09, Mar 10)

6. When two 2Ω resistances are in parallel, the effective is 1Ω (Oct-08)

7. In the case of insulators, as the temperature decreases, resistivity

increases (Mar 08 & 09)

5

8. If the resistance of a coil is 2Ω at 0°C C, then its

resistance at 100°C is 2.8 Ω

9. According to Faraday‘s law of electrolysis, when a current is

passed, the moss of ions deposited at the cathode is independent

of resistance

10. When n resistors of equal resistance (R) are connected in series,

the effective resistance is nR.


Note: Prepare one mark from Drift velocity, current density, super

conductivity, combination of resistors, temperature dependence of a

resistance, internal resistance of a cell, Wheatstone bridge,

metrebridge, potentiometer, Faraday’s law, electric cell, and

prepare unit based questions for current, mobility, current density,

resistance, conductance, specific resistance, electric energy,

electrochemical equivalence etc..

1. Expression for current density is J = 1/ A

2. The unit of conductance is mho

3. Which of the following is conducting current? Tungsten.

4. Transition temperature of mercury is 4.2 K. (June 09)

5. In carbon resistors, silver rings indicates 10% variation of

resistance

6. Example for secondary cell is Lead – Acid accumulator

7. The unit of conductivity is mho m -1 (June 07)

8. Resistance of metal wire of length 10cm is 2Ω. If the wire is

stretched uniformly to 50cm the resistance is 50 Ω (Mar 06)

9. The colour code on a carbon resister is red – red black. The

resistance of the resistor is 22 Ω (June 06)

10. The brown ring at one end of a carbon resistor indicates a tolerance

of 1% (Mar 07)

11. Drift Velocity in metals is the order of 0.1 cms-1

12. Drift Velocity is directly proportional to electric field

intensity.

13. Unit of current density is Am-2.

14. Unit of resistivity is ohm m.

15. The resistance of mercury at 4.2K is zero

16. The cell which supplies intermittent current is Leclanche cell.

17. The e.m.f of Leclanche cell is 1.5 V

18. The e.m.f of freshly charged lead acid accumulator is 2.2 V

19. The internal resistance of a secondary cell is low.

20. Ohms law is true for Conductors only.

21. The relation between current and drift velocity is I=nAVde (O 10)

22. Unit of mobility is m2V-1s-1

23. Unit of electrochemical equivalent is Kgc-1

Unit-3. EFFECTS OF ELECTRIC CURRENT



1. Joule‘s law of heating is H = VIt (Mar 08)

2. Nichrome is used as heat element because it has high specific

resistance. (June 06 & 08)

3. Peltier coefficient at a junction of thermocouple depends on the

temperature of the junction. (June 09, Oct 10)

6

4. In a thermo couple, the temperature of the cold junctions 20°C.

The neutral temperature is 270°C. The temperature of inversion is

520°C. (Mar 10, June 08, Oct 08)

5. What is the equation of Biot-Savart law? .(M10)

6. Magnetic Induction due to an infinitely long straight conductor

placed in a medium of permeability μ is μI/2πa.

7. In a tangent galvanometer, for a constant current, the deflection

is 30°. The plane of the coil is rotated through 90°. Now, for the

same constant current, the deflection will be 0°. (June 07)

8. The period of revolution of a charged particle inside a cyclotron

does not depend on the velocity of the particle.

9. The torque on a rectangular coil placed on a uniform magnetic

field is large when the number of turns is large.

10. Phosphor – bronze wire is used for suspension in a moving coil

galvanometer because it has small couple per unit twist. (Oct 09)

11. Of the following devices, which has small resistance? ammeter of

range (0 – 10)A. (June 06, Mar 09)

12. A galvanometer of resistance G ohm – is shunted with S ohm. The

effective resistance of the combination is Ra then which of the

following statements is true? Ra is less than both G and S.

13. An ideal voltmeter has infinite resistance. (June 10, Oct 07)


Hint: Prepare one marks from Joule’s law, seebeck effect, peltier effect,

Thermopile, Tangent Galvanometer, Lorentz force, Cyclotron, Torque

experienced by a current loop, Galvanometer, Sensitivity and conversion

of galvanometer and prepare unit based question for (Peltier effect, Pettier

coefficient, Thomson Coefficient, magnetic induction, reduction factor of

T.G.. etc. )

1. A fuse wire – having high resistance, low melting point.

2. Unit of Thomson coefficient volt / °C.

3. To convert a galvanometer in to a voltmeter by connecting a high

resistance in series. (Mar 06)

4. In a TG 6A current produce a deflection of 60°. Find the current

required to produce a deflection of 30° is 2A. (Oct 06)

5. Thermopile works on the principle of See back effect. (Oct 07)

6. The direction of magnetic field due to solenoid is given by Right

hand palm rule.

7. The converse of see back effect is Peltier effect. (Mar 07)

8. Cyclotron cannot accelerate electrons.

9. Melting point of tungsten is 3380°C.

10. Work done by a Lorentz force is always zero.

11. Unit of reduction factor of tangent galvanometer is ampere. (Mar-06) 12. In a Thermo couple, the temperature of cold junction is 20°C; the

inversion temperature is 600°c. then neutral temperature is

310°C. (Oct 06)

13. The torque experienced by a rectangular current loop placed

perpendicular to a uniform magnetic field is zero. (Mar 07)

14. Sb - Bi pairs of metals thermo couple the e.m.f is maximum. (June

-07)

15. Fuse wire is an alloy of lead and tin. (Mar 08)

16. Thermo pile is used to detect thermal radiation (Oct 08)

7

17. The resistance of the filament of a 110W, 220V electric bulb is

440 ohm (Mar 09)

18. The magnitude and direction of the magnetic Lorentz force is

given by (June 09)

19. Unit of Peltier coefficient is volt (Oct 09)

20. In a TG a current 1A produces a deflection of 30˚ the current

required to produce a deflection of 60˚ is 3A. (Oct 06)

21. The unit of magnetic induction is Tesla and Wb/m2

22. Positive Thomson effect is observed in Ag, Sn, Cu, Zn, Cd, Sb,

and Au.

23. Thomson effect for lead is zero

24. Gyro magnetic ratio of an electron is 8.8 x 1010 C Kg-1.

25. For a given thermocouple, the neutral temperature is a constant

(June 10)

26. When the number of turns (n) in a galvanometer is doubled,

current sensitivity increases twice (Oct 10)

27. Cyclotron is used to accelerate protons, deuterons and α-

particles. 28. Negative Thompson effect is observed in Fe, Bi, Ni, Pt, Co, Hg.

29. Tangent Galvanometer works on the principle of Tangent law.

30. Tangent Galvanometer and Moving Coil Galvanometer is a device

for measuring current.

Unit- 4. ELECTRO MAGNETIC INDUCTION AND AC

Total of one mark questions from this chapter – 4.

Hint: Normally in march question papers, 2 questions are asked from

self evaluation.


1. Electromagnetic induction is not used in room heater

(Mar 06 & 08, June 07, 08 & 09,)

2. A coil of area of cross section 0.5m2 with 10 turns is in a plane

which is perpendicular to as uniform Magnetic field of 0.2

Wb/m2. The flux through the coil is 1Wb (June 09, Mar 10)

3. Lenz‘s law is in accordance with the law of conservation of

energy (Mar 07 & 08)

4. The self induction of a straight conductor is zero (June 10, Mar 07

& 09)

5. The unit Henry can also be written as VSA-1, WbA-1, Ωs (June 06

6. An e.m.f of 12V is induced when the current in the coil changes

at the rate of 40A s1 the coefficient of the coil is 0.3H (Oct 09,10)

7. A DC of 5A produces the same heating effect as an AC of 5A rms

current (Oct 08, Mar 09)

8. Transformer works on AC only (June 10, Mar 07, Oct 07)

9. The part of the AC generator that passes the current from the coil

to the external circuit is Brushes.

10. In an AC circuit, the current I = Isin lags behind the

e.m.f e = E sin by π. (Oct 06)

11. Which is the following cannot be stepped up in a transformer?

Input power (June 08, Oct 09)

8

12. The power loss is less in transmission lines when voltage is

more but current are less (Oct 06)

13. Which of the following devices does not allow D.C to pass through

capacitor (Jun 09, Mar10, Oct 10)

14. In an A.C circuit the average value of current is zero.

(Mar 09)

2. Additional Questions: Hint – Prepare one marks from Electromagnetic induction, magnetic

flux, Lenz’s law, generator rule, self inductance, mutual induction,

method of producing induced e.m.f, A.C Generator (Single & Three

Phase), Eddy currents, Transformers, r.m.s value of A.C, L.C.R in

series, Power in a A.C Circuit, Choke Coil. Prepare unit based

questions for Henry, Inductive reactance, Self inductance, Coefficient

of mutual inductance, inductive reactance, capacitive reactance,

Magnetic f lux, Inductance. Etc.

1. For a D.C circuit the value of capacitive reactance (XC) is Infinity

(June 08)

2. In a transformer eddy current loss is minimised by using

laminated core made of Stelloy. (Mar 08)

3. The reactance offered by 300 mH inductor to an AC supply of

frequency 50Hz is 94.2 Ω (Oct 07)

4. The rms value of an A.C voltage with a peak value of 311V is

220v. (Oct 07)

5. The core used in audio frequency chokes is iron. (Oct 07 & 09)

6. Q factor on A.C circuit contains a resistance R. inductance L and

capacitor C is (June 08, Mar 09)

7. In a 3 phase AC generator the 3 coils are fastened rigidly together

and are displaced from each other by an angle 120°

(Oct 08)

8. Generator rule is Fleming is right hand rule. (June 07,Oct 06)

9. Unit of inductive reactance is ohm

10. Reverse effect of Oersted experiment was demonstrated by

Faraday.

11. Induction motors are used in Fans.

12. Choke coils are commonly seen in fluorescent tubes.

13. The angle between the area vector A and plane of area A is . (Mar 06,

June 09)

14. If flux associated with a coil varies at the rate of 1 wb/min then

the induced e.m.f is . (Mar 06)

15. In an A.C circuit with an inductor current lags voltage by

(June 06)

16. In LCR circuit when XL = XC, the current is in phase with the

voltage (Mar 07)

17. In step up transformer the input voltage is 220V and output

voltage is 11KV. The ratio of number of turn‘s primary to

secondary is 1:50. (Oct 06)

18. In LCR series circuit at resonance Impedance is equal to R.

(Oct 09)

9

19. The average power consumed over one cycle in an A.C circuit is

E rms I rms cos (Mar 06)

20. In LCR circuit, phase difference between current and voltage is

30˚. The reactance of the circuit is 17.32 Ω. The value of

resistance is 30 Ω (June 06)

21. In a A.C circuit with capacitor only if the frequency of the signal

is zero, then the capacitive reactance is infinity. (June 07)

22. A power of 11,000 W is transmitted at 220 V. the current through

line wire is 50 A (Mar 08)

23. The average value of A.C current over one complete cycle is zero.

24. The rms value of an A.C is 70.7% of the peak value. (Mar 10)

25. The resistance offered by a pure inductor to D.C is zero

26. The resistance offered by a capacitor to D.C is infinite.

27. The value of Q-factor for normal frequency is 10 -100.

28. The domestic power in India is supplied at 50Hz.

29. An emf of 12V is introduced when the current in the coil changes

from 2A to 6A in 0.5s. The coefficient of self inductance of a coil is

1.5H. (June 06)

30. In step up transformer the input voltage is 220V and output

voltage is 11KV. The ratio of number of turn‘s secondary to

primary is 50:1. (June 07)

31. In R.L.C Circuit, at resonance current is in phase with voltage.

(Oct 08)

32. In an A.C. circuit, average power consumed is 200W and the

apparent power is 300W. The power factor is 0.66. (June 10)

33. In an R.L.C circuit, at resonance XL = XC. (Oct 10)

34. The effective value of alternating current is Io/√2 (June 10)

35. Electromagnetic induction is not used in Filament Bulb and

Room Heater. (Oct 08)

Unit-5. ELECTROMAGNETIC WAVES & WAVE OPTICS


Hint – Normally March question papers 2 question from Text book self

evaluation.


1. In an electromagnetic wave power is transmitted in direction

perpendicular to both fields (June 09)

2. Electromagnetic waves are transverse. (Oct 09, 10) 3. Refractive index of glass is 1.5 Time taken for light to pass

through a glass plate of thickness 10cm is 5 X 10-10sec

4. In an Electromagnetic wave the phase difference between electric field E

and magnetic field B is zero (June 06,10 & 08, Oct 08, Mar 09) 5. Atomic spectrum should be pure line spectrum (Mar07)

6. When a drop of water is introduced between the glass plate and

plane convex lens in Newton‘s ring system, the ring system

contracts. (Mar 06,08, June 10,07)

7. A beam of mono chromatic light enters from vacuum into a

medium of refractive index µ. The ratio of the wavelengths of the

incident and refracted waves is µ : 1

8. If the wavelength of the light is reduced to on fourth, then the

amount of scattering is increase by 256 times (June 09, Mar10)

10

9. In Newton‘s ring experiment the radii of mth and (m+4)th dark rings are

respectively 5mm and 7mm. what is the value of m? 10 (Oct 09)

10. The path difference between two monochromatic light waves of

wavelength 4000A° is 2x10-7m. The phase difference between

them is π.

11. In young‘s double slit experiment the third bright band for

wavelength of light 6000A° coincides with the fourth bright band

for another source in the same arrangement. The wavelength of

the source is 4500A°. (Oct 10)

12. A light of wavelength 6000A° is incident normally on a grating

0.005m wide with 2500 lines. Then the maximum order is 3. (Mar 08)

13. A diffraction pattern is obtained using a beam of red light. What

happens if the red light is replaced by blue light? diffraction

pattern become narrower and crowded together (June-07 &08)

14. The refractive index of the medium for the polarising angle 60° is

1.732 or 5 (Mar 10, Oct 08)


Hint: Prepare one marks from Electromagnetic waves,

electromagnetic spectrum and its uses, types of spectra, theories of

light, scattering of light, Raman effect, Huygen’s principle, total

internal reflection, phase difference and path difference, Young’s

double slit, Newton’s ring, Diffraction grating, Polarization, Double

refraction, optical activity. Prepare unit based questions for

Grating element, Specific rotation, Refractive index... Etc.

1. In Raman effect if the scattered photon gains energy. It gives rise

to anti stokes line. (Oct 07)

2. In case of Fraunhofer diffraction, the wave front undergoing

diffraction is plane wave front. (Oct 08)

3. The phenomenon of light used in the formation of Newton‘s rings

is interference. (Oct 07)

4. An example for uniaxial crystal is tourmaline (or) Quartz. (Mar 07 , Oct 07)

5. In Raman Effect, the spectral line with lower frequency than the

incident frequency is stokes line. (Oct 07)

6. The optical rotation does not depend on intensity of light-used

(Oct 07)

7. The transverse nature of light waves is demonstrated only by the

phenomenon of polarization. (June 10, Mar 08)

8. Velocity of light in a medium is 2.25 x108 Ms-1 the refractive index

of the medium will be 1.33. (June 08)

9. The polarizing angle for water is 53° 4‘. If the light is incident at

this angle on the surface of water the angle of refraction is water

is 36° 56’. (June 08)

10. Spectral lines emitted by sun line absorption spectra.

11. The rays used to study the molecular structure are IR rays.

12. Wavelengths of sodium D1, D2 lines of lines 5896°A, 5890°A. (Mar 06)

13. Raman Effect supports quantum theory.

14. Electromagnetic waves used to study structure of nucleus

gamma rays.

15. Radiations used in detection of forged documents are uv rays.

16. Double refraction was discovered by Bartholinus.

17. New types of Polaroid are prepared in which thin films of

polyvinyl alcohol are used.

18. IR lamps used in physiotherapy. (Mar 07)

19. Spectrum used for making dye is band absorption.

20. Unit grating element is metre. (June 06)

11

21. The existence of electromagnetic waves was confirmed

experimentally by Hertz (Mar 06)

22. When a ray of light is incident on a glass surface at polarizing

angle of 57° 5‘. The angle between the incident ray and the

reflected ray is 115°. (June 06, Mar 06 & 08)

23. Electric filament lamp gives rise to continuous spectrum.

(June 07 Mar 08)

24. A ray of light is incident on a glass surface such that the reflected

ray is completely plane polarised. The angle between the reflected

ray and refracted ray is 90˚ (Mar 09)

25. Soap bubbles exhibit brilliant colour in sunlight due to

interference of light (Mar 09)

26. The radii of Newton‘s dark rings are in the ratio √1 : √2 : √3. (Mar

09)

27. In the grating formula sin Ø = Nmλ, the unit of N is metre -1

(June 09,10 )

28. The ratio of the radii of the 4th and 9th dark rings in Newton‘s ring

experiment is 2:3 (June 09)

29. Calcium chloride is not an optically active material (Oct 09)

30. Unpolarised light passes through a tourmaline crystal. The

emergent light is analyzed by an analyzer when the analyzer is

rotated through 90˚the intensity of light varies between

maximum and zero. (Mar 06)

31. Velocity of the electromagnetic waves is given by c = . (June 06)

32. In Young‘s double slit experiment, the separation between the

slits is halved and the distance between the slits and the screen is

doubled. Then the fringe width is quadrapled. (June 07)

33. Nicol prism is based on the principle of double refraction.

34. If C is the velocity of light in vacuum, the velocity of light in a

medium with refraction index μ is . (Oct 06)

35. Gamma rays are not an electromagnetic wave. (Oct 06)

36. In radar Micro wave is used.

37. X-rays are used as diagnostic tool in medicine.

38. Continuous spectrum depends only on temperature of the

source.

39. Molecule produce Band spectrum and atoms produces line

spectrum.

40. The central core of the sun is called photo sphere.

41. In Fraunhofer diffraction the wave front undergoing diffraction is

plane. (Oct 08)

42. Polarising angle for glass is 57.5˚

43. The refractive index of extraordinary light is 1.486.

44. In Raman Effect, the incident photon makes collision with an

excited molecule of the substance. The scattered photons give rise

to Anti Stoke’s Lines. (Mar 10)

45. Refractive index of glass is 1.5. The velocity of light in glass is 2 x

108 m/s. (Mar 10)

46. The dark lines found in the solar spectrum are called Fraunhofer

lines. (Oct 10)

47. A ray of light travelling in a rarer medium and reflected at the

surface of a denser medium automatically undergoes a path

difference of λ/2. (Oct 10).

12

Unit-6. ATOMIC PHYSICS


Hint – Normally March question papers 1 question from Text book self

evaluation.

1. Book Questions: (Refer Page No.46-48) Vol.II

1. The cathode rays are a stream of electrons.

2. A narrow electron beam passes undeviated through an electric

field E = 3x10 V/m and an overlapping magnetic field B = 2x10-3

Wb/m2. The electron motion, electric field and magnetic field are

mutually perpendicular. The speed of the electron is 1.5 x 10 -7

ms -1.

3. According to Bohr‘s postulates, which of the following quantities

take discrete values? angular momentum (Mar 07, June 07,

Oct 07, 08 & 09) 4. The ratio of the radii of the first three Bohr orbit is 1:4:9.(Mar 10,

08, June 07)

5. The first excitation potential energy or the minimum energy required

to excite the atom from ground state of hydrogen atom is 10.2eV.

(Oct 10, Mar 08)

6. According to Rutherford atom model, he spectral lines emitted by

an atom is Continuous spectrum

7. Refer Textbook Page No.47 in Vol.II.

8. The elliptical orbits of electron in the atom were proposed by

Sommerfeld. (Oct 10)

9. X-ray is phenomenon of conversion of kinetic energy into

radiation (Mar 07,10, June 09)

10. In an X-ray tube, the intensity of the emitted X-ray beam is

increased by Increasing the filament current (June 06)

11. The energy of photon of characteristic X-ray from a Coolidge tube

comes from an atomic transition in the target. (June 08)

12. A Coolidge tube operates at 24800V. The maximum frequency

radiation emitted from Coolidge tube is 6x10 18 HZ (Oct 10)

13. In hydrogen atom, which of the following transitions produces

spectral line of maximum wavelength 6→5 (Oct 06 & 09, Mar 08)

14. In hydrogen atom, which of the following transitions produces

spectral line of maximum frequency 2 →1 (June 06)

15. After pumping process in laser the number of atoms in the excited

state is greater than the no of atoms in the ground state.

16. The chromium ions doped in the ruby rod absorbs green lights.

(Mar 06, 09, 10, Oct 08, June 06, 08, 10)

–

Hint: Prepare one marks from cathode rays, Canal rays, Thomson

and Milliken’s Experiment, Bohr’s Atom Model, Spectral series of

Hydrogen Atom, Somerfield atom model, X-Rays – production,

Diffraction of X-Rays, X-Ray spectra, Ruby laser, He-Ne laser,

Application of laser and maser. Prepare unit based questions for

(Rydberg’s constant, wave numbers etc.)

1. Number waves per unit length is known as wave number (Oct 08)

2. Three dimensional image of an object can form by holography.

(Oct 08)

3. Unit of Rydberg‘s constant is m-1 (Value 1.094x10-7 m-1) (O 07,J 09)

13

4. For the 1storder x ray diffraction, the wave length of x ray is equal

to lattice spacing at glancing angle of 30° (Oct 07)

5. A Coolidge tube operates at 18600.V the maximum frequency of x

radiation emitted from it is 4.5 x 1018 Hz (Oct 07)]

6. Maser materials are paramagnetic ion and ammonia gas. (J 08)

7. Pressure inside the Coolidge tube is 10-6mm mercuric pressure.

8. Wave length of laser beam emitted from ruby laser is 6943A°.

9. Fine holes are drilled in diamonds using laser beam.

10. Wave number is defined as the number of waves in a distance

one metre. (Mar 06, Oct 08)

11. The energy electron in the first orbit of hydrogen atom is -13.6 eV.

Its potential energy is -27.2 eV. (Jun 06)

12. Somerfield model for a given value of n the number of values can

take is n. (Oct 06)

13. Ratio of areas enclosed by 1st 3 Bohr orbits of H atom is 1:16:81.

(Oct 06)

14. Crystal diffracts monochromatic x-rays, angle of diffraction for 2nd

order is 90°,1st order 30° (Mar 07)

15. If R is Rydberg‘s constant, the minimum wavelength of hydrogen

spectrum is . (June 07)

16. The spectral series of hydrogen atom in UV-region are called

Lyman series. (June 08)

17. If the minimum wavelength of X-rays produced in a Coolidge tube

is 0.62 . the operating potential is 20Kv. (Mar 06,08)

18. In a discharge tube, the source of positive rays (canal rays) is gas

atoms present in the discharge tube. (Mar 09)

19. The minimum wavelength of X-rays tube at 1000 Kv is 0.0124Ǻ

(Mar 09)

20. Ionization potential energy of hydrogen atom is 13.6 eV (Mar 09)

21. When an electric field is applied to an atom each of the spectral

lines split into several lines. This effect is known as stark effect

(June 09)

22. In holography, which of the following is recorded on the

photography film phase and amplitude (Oct 06 & 09, June 07)

23. The direction of viscous force in Millikan‘s oil drop experiment

is opposite to the direction of motion of the oil drop(Mar 09)

24. Canal rays were discovered by Goldstein.

25. The value of e/m is 1.7592 x 1011C Kg-1

26. 1eV = 1.602 x 10-19 J.

27. The device used to determine the wavelength of X-rays is

Bragg’s X-ray spectrometer.

28. Roentgen discovered X-rays

29. The ratio of Ne and He gases used in He-Ne laser is 4:1.

30. Wavelength of D1 and D2 lines emitted by Sodium Vapour

lamp is 589.6 nm, 580nm (Mar 06)

31. In Somerfield atom model, for principle quantum number, n=3,

the subshell represents circular orbit is 3d.(Mar 10)

32. A Coolidge tube operates at 24800V, the maximum wavelength

of X-Ray radiation emitted from the Coolidge tube is 0.5 x 10-

10m (June 09)

33. If ―c‖ is the velocity, γ is the frequency and λ is the wavelength

of radiation, then its frequency is defined as the number of

waves produced in a period of T second. (Oct 10)

14

34. e/m ratio of Cathode ray particles is independent of nature of

electrodes and gas used. (June 10)

35. If R is Rydberg‘s constant, the shortest wavelength of paschen

series is 1/R.(June 10)

36. In Milliken‘s experiment, the plates are kept at a distance of

16mm and are maintained at a potential difference of 10000V.

The electric field is 6.25 x 105 V/m. (June 10)

37. Principle of Maser action is population inversion followed by

stimulated emission.

38. Unit of wave number is metre-1.

UNIT-7. DUAL NATURE OF RADIATION, MATTER AND

RELATIVITY

Total of one mark questions from this chapter -2

Hint- Normally, in March question papers, 1 question from Text book

self evaluation.

1. Book Questions: (Refer Page No.72, 73) Vol.II

1. A photon of frequency v is incident on a metal surface of threshold frequency vo.

The kinetic energy of the emitted photo electron is h(v-vo) (Oct 07,08)

2. The work function of a photo electric material is 3.3 eV. The threshold frequency

will be equal to 8 x 1014 Hz

(Mar 08)

3. The stopping potential of a metal surface is independent of intensity of incident

radiation.

4. At the threshold frequency, the velocity of electron is Zero. (Oct 06,07,08,09, M 06,09)

5. The photo electric effect can be explained on the basis of Quantum theory of light

(Mar 10,June10)

6. The wavelength of the matter wave is independent of Charge (June 08, Oct 09)

7. If the kinetic energy of the moving particle is E, then the De Broglie wavelength is

λ=h/√2mE

8. The moment of electron having wavelength 2Ao is 3.3 x 10 -24 Kgms-1 (June 07)

9. According to relativity, the length of a rod in motion is less than its rest length.

(June 06,07,09,10)

10. If 1 Kg of substance id fully converted into energy , then the energy produced is 9 x

1016 J(Oct 10)

Prepare one marks from photoelectric effect, stopping potential, threshold frequency, laws

of photoelectric emission, Einstein’s photoelectric equation, photoelectric cells and

applications, matter waves, electron microscope, relativity, special theory of relativity,

Einstein’s mass- energy equivalence.

1. The work function of a metal is 6.626 x 10-19 J. Threshold

frequency is 1 x 1015 Hz (Mar 07)

2. If the radius of third Bohr orbit in hydrogen atom is r, then the

de Broglie wavelength of electron in this orbit is (Mar 06)

3. An electron of mass m and charge ‗e‘ accelerated from rest

through a potential of V volt, then its final velocity is √ 2Ve/m

(Oct 08)

4. When a material particle of rest mass ‗mo‘ attains the velocity of

light its mass become infinity (Oct 07)

5. Photo electric emission is an instantaneous process.

6. Concept of matter waves was proposed by de Broglie.

7. Particle that has energy with zero rest mass is photon. (Mar08)

15

8. An un-accelerated frame of reference is called inertial frame.

9. According to Special theory of relativity the only constant in all

frames is Velocity of light. (Oct 06, Mar 07,09)

10. Electron microscope is operated in high vacuum.

11. The value of stopping potential when the frequency of light is

equal to the threshold frequency is Zero. (Mar 06)

12. Two photons, each of energy 2.5 eV are simultaneously incident

on metal surface. Work function of metal is 4.5 eV. Then from

the surface of the metal not a single electron will be emitted.

(June 06)

13. Photon has energy but zero mass. (June 08)

14. Photoelectric effect was first observed by Heinrich Hertz.

15. Einstein’s photoelectric equation is W+ hv= ½ mv2max (June 09)

16. The wave particle duality was extended to particles as matter waves by De

Broglie.

17. The highest magnification of the best optical microscope is 2000.

18. Minimum amount of energy required to liberate on electron from the metal

is called photoelectric work function.

19. De Broglie’s concept confirms Bohr’s postulates.

20. X-rays cannot be focused by lenses.

21. The rest mass of photon is Zero.

22. An energetic photon can create an electron- positron pair.

23. Magnetic lenses can focus a beam of electrons.

24. The mass of an electron accelerated by a cyclotron is Increases at high

velocity.

25. Electron microscope works on the principle of wave nature of moving

electron. (Mar 10)

26. The de Broglie wavelength of electron accelerated with a potential V is

λ=h/√2Vem(Oct 10)

27. Stopping potential is same for different intensities.

28. The cut off potential is dependent on the frequency of the incident

radiation.

29. Photoelectric effect is based on Conservation of energy.

30. Application of photoelectric cells is used in temperature sensor,

cinematography, measure light intensity.

31. The material having low function is Caesium oxide.

32. Photoelectric cell is used in opening and closing of door automatically.

33. The operating potential in an electron microscope is about 60,000 V.

34. The mass of body in motion Increases.


Hint- Normally March question papers 2 question from text book self evaluation.

1. Book Questions: (Refer Vol.II Page No. 116-118)

1. The nuclear radius of 4Be8 nucleus is 2.6 x 10-15 m

2. The nuclei 13Al27 and 14Si28 are example of isotones. (Mar 07,10,June 07,09)

3. The mass defect of certain nucleus is found to be 0.03 amu. Its binding

energy is 27.93 MeV.

4. Nuclear fission can be explained by Liquid drop model.

5. The nucleons in a nucleus are attracted by nuclear force.

6. The ionization power is maximum for α-particles.

7. The half life period of a certain radio active element with disintegration

constant 0.0693 per day is 10 days.

(Oct 08,07)

8. The radio isotope used in agriculture is 15P32. (June 06,08,Oct 08,09)

9. The average energy released per fission is 200 MeV.

16

10. Explosion of atom bomb is based on the principle of uncontrolled fission

reaction. (June 09,10,Mar 10)

11. Anaemia can be diagnosed by 26Fe59. (Mar 07,10,June 07,09)

12. In the nuclear reaction 80Hg198 + X→79Au198 + 1H1, X stands for Neutron

(June 08, Mar 09)

13. In β-decay neutron number decreases by one. (Mar 09,Oct 09)

14. Isotopes have same proton number but different neutron number.

15. The time taken by a radioactive element to reduce to 1 times its original

amount is its mean life. (Mar 06)

16. The half life period of N13is 10.1 minute. Its life time is infinity.

17. Positive rays of the same element produce two different traces in a

Bainbridge mass spectrometer. The positive ions have different mass

with same velocity.

18. The binding energy of 26Fe56 nucleus is 493 MeV. (June 10, Oct 07)

19. The ratio of nuclear density to the density of mercury is about 1.3 x 1013

Prepare one marks from classification of nuclei, properties of nucleus, Brainbridge

mass spectrometer, nuclear force, radioactivity, radioactive displacement law and

disintegration, neutron, artificial radioactivity, G.M. counter, nuclear fission,

nuclear reactor, nuclear fusion, cosmic rays, elementary particle and prepare unit

based questions for activity, radiation exposure, electron volt, etc.

1. Safety amount of radiation exposure on human body is 250 milliroentgen

per week.

2. Fast breeder reactors, the neutrons reflectors used are Th232

3. Energy radiated from surface of the sun is 3.8 x 1026 J/S

4. Energy of fast neutrons is between 0.5 MeV to 10 MeV

5. Rays having high penetrating power is gamma rays. (Oct 06)

6. Boiling point of liquid sodium used is 1000oC

7. Only operating reactor in the world using 92U233 as fuel is Kamini. (Oct

07,09)

8. In nuclear reactor, moderator is Heavy water. (Mar 07)

9. Which of the following particle is a leptons electron. (Mar 06)

10. Nuclear force is due to the continuous exchange of particles called mesons

(Mar 06,09, Oct 09)

11. The particles which exchange between the nucleons and responsible for the

origin of the nuclear force are mesons

(June 07)

12. In the nuclear reaction 7N14 + 0n1 → X + 1H1 the element x is 6C14 (Mar

06)

13. One amu is equal to 1.66 x 10-27 Kg (or) 1.66 x 10-24 g (or) 931 MeV.

(June 06,09,Oct 06)

14. In the following nuclear reaction 13Al27 +2He4 → X + on1. The element X is

15P30 (Oct 06)

15. The numbers α and β particles emitted when isotope 92U238 undergoes α

and β decays to form 82Pb206 are respectively 8,6

(Mar 07)

16. Liquid sodium is not a moderator. (June 07)

17. 11Na24 is used to defect the presence of block in blood vessels. (Mar 08)

18. If the nuclear radius is 2.6 x 10-15 m then mass number will be 8 (June 08)

19. Slow neutrons are neutrons having energies between 0 eV to 1000 eV .

(June 08)

20. The half life of a radioactive element is 300 days. The disintegration

constant of the radioactive element is 0.00231/day.

(Mar 09)

21. The mean life of Radon is 5.5 days. Its half life is 3.8 days (June 09)

17

22. The rest mass of a proton is about 1836 times the mass of an electron.

23. The phenomenon of radioactivity was discovered by Henry Becquerel.

24. The reciprocal of decay constant is 1.44 times its half life period.

25. To determine the age of a wooden sample C14 is used.

26. The unit of radiation exposure is Roentgen.

27. Half life period of C14 is 5570 years.

28. The energy produced in proton-proton cycle is 26.7 MeV.

29. The name of cosmic ray was given by Millikan.

30. Neutrino and antineutrino are associated with β-emission.

31. The name of meson was given by Yukawa.

32. An element zXA undergoes three α-decays and four β-decays and gets

converted to an element Y. The mass number and atomic number of the

element Y are respectively A-12,Z-2 (June 07, Mar 08)

33. The mean life and half life T1/2 of a radioactive element are related as τ=

T1/2/0.6931 (Mar 08)

34. The time taken by a radioactive element , its reduce to e -1/2 times its

original amount is its mean life period

(June 06)

35. Find the emitted particle in the nuclear reactions 4Be9 + 2He4 → 6C12 + X. X

stands for neutrons.

(Mar 10)

36. In the fast breeder reactor the chain reactor is sustained by Fast neutrons.

37. The particle which has zero mass but has energy is Photon (Mar 08)

38. Particle that has no charge and no mass and travels with the velocity of light

is Photons (Oct 08)

39. Which of the following particle belongs to Baryon group Proton (Mar 10)

40. Based on quark model a neutron is represented as udd (June 06, Oct 06)

41. Ionization power is maximum for α- particles (June 10, Oct 10)

42. According to the law of disintegration N=No e-λt the number of radioactive

atoms that have been decayed during a time of t is No-N (June

10)

43. Isotopes have same proton number but different neutron number. (Oct

10)

44. The coolant used in fast breeder reactor is liquid sodium (Oct 10)

45. The half life period of N13 is 10.1 minute. Its life time is Infinity.

(Oct 10)

46. 1 Fermi is 10-15 m.

47. 1 eV is 1.6 x 10 -19 Joule.

48. Unit of activity is becquerel.

49. 1 curie is the activity of one gram of Radium.

50. Chadwick discovered neutrons.

51. A particle accelerator accelerates charged particles.

52. Geiger- Muller counter is a particle detector.

Total number of one mark questions from this chapter is - 3

Hint – Normally March question paper chance 1 question from Text

book self evaluation.

1. Book Questions: (Refer Page No. 175-177 in Vol.II)

1. The electrons in the atom of an element which determine its

chemical and electrical properties are called Valence electrons

2. In a N-type semiconductor there are immobile positive ions

18

3. The reverse saturation current in a PN junction diode is only

due to minority carriers (June 09)

4. In the forward bias characteristic curve, a diode appears as an

ON switch

5. A avalanche break down is primarily dependent on the

phenomenon of Collision (Oct 2007)

6. Colour of light emitted by a LED depends on types of

Semiconductor material (June 06,10 & Oct 08,10)

7. The Emitter base junction of a given transistor is forward

biased and its collector base junction is reverse biased. If the

base current is increased then its IC will increase.

8. Improper biasing of a transistor circuit products distortion in

the output signal.

9. An oscillator is an amplifier with feed back (Mar 08 &

June 09,10, Oct 10)

10. Colpitts oscillator circuit Capacitive feedback is used

(June 06)

11. Since the input impedance of an ideal operational amplifier

is infinite its input current is zero.

12. The following arrangement performs the logic function of

AND gate (Book back refer text book Vol.II, P.No 176) (Oct 06&08,

June 08, Mar 10)

13. If the output Y of the following circuit is 1 the input ABC

must be 101 (Refer text book Vol.II, P.No 176) (June 09)

14. According the laws of Boolean algebra, the expression

(A+AB) is equal to A. (Mar 07, Mar 09)

15. The Boolean expression can be simplified as -

(Jun 10, Mar 06) -

Hint: Prepare one marks from Insulators, Semi-conductors,

Conductors, PN Junction diode, L.E.D, Junction transistor,

Transistor amplifier, Feedback in amplifier, Logic Gates, De-

Morgan’s theorem, OP-AMP circuit, Electronic measuring instrument.

Also refer example problems in Page No. 173 – 175 (9.3, 9.4,

9.5(June 08), 9.6) and Book back problems in Page no. 178-179.

(9.51, 9.52, 9.55, 9.56)

1. In CE amplifiers, the phase reversal between input and output

voltages is 180° (June 2008)

2. In junction the emitter region is heavily doped since emitter has

to supply to the base majority carriers. (Oct 2007)

3. A logic gate which has on output ‗I‘ when the inputs are

complement to each other is EXOR. (Oct 2007)

4. The potential barrier of germanium PN junction is 0.3V. (June 06)

5. Condition for an amplifier to become an oscillator is A=1/β (M 06)

6. Thickness of the base in transistor is 25 microns.

7. Output impedance of CE mode transistor is low.

8. Zener diode working in the breakdown region can act as voltage

regulators.

9. OP – Amp consists of 20 transistor 11 resistors, 1 capacitor

10. Boolean expression for NAND gate is Y = (Oct 09 & June 06)

11. In CE configuration output terminal is Collector

12. In tank circuit the energy in the inductance coil is stored as

magnetic energy and it produces wave forms

19

13. CRO works on the principle that the beam of electron can be

deflected both in electric and magnetic field

14. Forbidden energy gap for germanium is of order 0.7eV (Mar 06 &

Oct 06)

15. Forbidden energy gap for silicon is of order 1.1eV (Oct 06,10, Jun

06 & Mar 08, 09)

16. Barkhausen condition for maintenance of oscillation is β=

(Mar 07 & Oct 09)

17. A logic gate for which there is ‗low‘ output only when both the

inputs are ‗high‘ is NAND. (June 2007)

18. In CE single stage amplifier, the voltage gain at mid-frequency is

10. The voltage gain at upper cut-off frequency is 7.07 (Oct06&09)

19. An example for non-sinusoidal oscillator is multi vibrator (Mar 09)

20. LED is a forward biased PN junction diode which emits visible

light when energized.

21. The commonly used transistor is CE Circuits.

22. The forbidden energy gap for conductor is zero. (Mar 10)

23. Bi and As are examples for donor atom. (Mar 08)

24. In CE Transistor circuit, the base current of the transistor is

50micro Ampere. And the collector current is 25 micro Ampere.

Then the current gain is 500.(Oct 08)

25. In the PIN configuration IC 741, PIN 3 represents Non Inverting

Input.

26. Potential Barrier for a silicon PN junction is 0.7V.

27. PN Junction diode does not obey Ohms law.

28. The unit of output Impedance is Ω.

Total number of one mark questions from this chapter is - 2

Hint – Normally March question paper chance 1 question from self

evaluation so see all 8 questions given in text book page-215,216(vol-2)

1. High frequency waved follows ionospheric propagation (March

2006, June 2006)

2. Main propose of modulation is to transmit low frequency

information over long distance efficiently

3. The amplitude modulation the amplitude of the carrier wave

varies in accordance with the amplitude of the modulating signal

4. In amplitude modulation, the bandwidth is twice the signal

frequency (June 2007)

5. In phase modulation both the phase and the frequency of the

carrier wave varies.

6. R/F channel in a radio transmitter produces high frequency

carrier waves (Mar 2007, 10 & Mar 2009)

7. Purpose of dividing each frame into 2 fields so as to transmit 50

views of picture per second is to avoid flicker in the picture

(June 2008)

8. Printed documents to be transmitted by fax are converted into

electrical signals by the process of Scanning

(Mar, June & Oct 08 & june-2009)

–

Hint: Prepare one mark from Propagation of Electromagnetic waves,

AM modulation, FM Modulation, Radio transmission and reception,

20

Television, Monochrome Picture tube, Modem, Fax, Wire and Cable,

Fibre Optic & Satellite communication.

1. Skip distance is the shortest distance between a point of

transmission and the point of reception. (Oct 2008)

2. Audio frequency range is 20 Hz to 20000 Hz (Mar 2008)

3. The first man made satellite Sputnik (Oct-07)

4. An analog signal is a continuous varying voltage (or) current.

5. Twisted pair cable the wire is twisted to minimize external noise

6. Modem device convert digital signals into analog signal (M7, O9)

7. Scanning high negative potential is used as Blanking pulse

8. Cu is an inexpensive metal easily made into wire.

9. Working principle of Radar is radio echoes

10. In TV, blanking pulse is applied to control grid (Mar 06, Oct 09)

11. In AM super heterodyne, the local oscillator frequency is 1.245

MHZ. the turned station frequency is 790 KHz (June 2006)

12. Radio waves after refraction from different parts of ionospheres on

reaching the earth are called as sky waves. (Oct 2006)

13. Principle used for transmission of light signals through optical

fiber is total internal reflection (Oct 2006)

14. In interlaced scanning time taken to scan one line is 64 µs (June 07)

15. In Vidicon camera tube, the front face of the target plate or image

plate facing the light is coated in tin oxide

16. Function of modem is modulation and demodulation

17. In FM super heterodyne receiver, the intermediate frequency is

10.7 MHz. (Oct 10)

18. In radar to locate the direction of the target directional antennas

are used.

19. In India the frame repetition rate is at 25 frames per second.

20. Voice signal is an analog signal.

21. The long distance radio communication is possible through sky

waves propagation.

Sl. No UNITS No. of

Qus. 20 Q.No

1 ELECTROSTATICS 2 31, 32

2 CURRENT ELECTRICITY 3 33, 34, 35

3 EFFECTS OF ELECTRICITY CURRENT

1 36

4 ELECTRO MAGNETIC INDUCTION

AND A/C 2 37, 38

5 ELECTRO MAGNETIC WAVES AND WAVE OPTICS

2 39, 40

6 ATOMIC PHYSICS 2 41, 42

7 DUAL NATURE 1 43

8 NUCLEAR PHYSICS 2 44, 45

9 SEMI CONDUCTOR DEVICES 4 46, 47, 48,49

10 COMMUNICATION SYSTEMS 1 50

21

To Write 31 and 32 Total questions: 27

One question can be asked from the textbook self evaluation. Refer Page

No. 42, 43.

1. Define electric potential at a point. (Mar 07 & June 09 ) Page No.12

2. What do you mean by ―Additive nature of charge‖? Give an

example. Page No.3 (Oct 07)

3. What is a polar molecule? Page No.24 (Mar 07)

4. State Gauss‘ Law in electrostatics Page No.17,18 (June & Oct

06,Mar,09)

5. What is meant by Dielectric Polarization? Page No.25(Oct 06, 09)

6. Why it is safer to be inside a car than standing under a tree

during lightning. Page No.21 (Mar 06,10,June 06 & 09)

7. Define ‗coulomb‘ on the basis of coulomb‘s law, explain it in

vector form? Page No.3,4 (Mar 10, June 07,10)

8. Define relative permittivity and permittivity. How they are related.

Page No.4

9. What is the unit of capacitances? Define it .What is capacitor?

Page No.22 (Mar 09)

10. What are conductors and Insulators? Give example Page No.2

11. Give any three properties of electric line of force? (June 07) Page

No.7

12. What is meant by electrostatic shielding? Where it is used. Page

No.21 (Mar 08)

13. Define electric flux. Give its unit. Page No.17 (June 08)

14. Define Potential difference? Give its unit. Page No.12

15. Explain the working of microwave oven. Page No.12 (June 08)

16. What is meant by corona discharge (or) action of points? What are

its advantages? Page No.30 (June 07, Oct 08)

17. Difference between polar and non-polar molecules. Page No.24

18. Write the application of capacitor. Page No.27 (Oct 07)

19. Distinguish between electric potential and potential difference.

Page No.12

20. What is Gaussian surface and equipotential surface? Page No.16

21. What is an electric dipole? Define electric dipole moment. Page

No.8 (Oct 09)

22. Define electric field intensity at a point in an electric field. What is

its unit? Page No.6

23. Define coulomb. (Mar 06, Oct 10) Page No.4

24. What is a non-polar molecule? Give example (Oct 06) Page No.24

25. What is electric potential energy? Page No.11

26. Problems: from text book example, page no 37, 38.

1.8, 1.11, 1.12, 1.13, 1.14, 1.15

27. Problems: from book back, page no 43 to 45.

1.46, 1.50, 1.55, 1.58, 1.59 (Mar 08)

22

To Write 33, 34 and 35 Total questions: 29

Note: One Question chance from book back and one Problem. Refer

Page No. 75-76.

1. State Ohm‘s law. Page No.48 (Mar 10,06, Oct 07 & 09)

2. Mention any 3 application of super conductor? Page No.51 (Oct 06

& 07,June 06 & 07)

3. Distinguish between electromotive force and potential difference.

Page No.62 (June 07,Oct 08)

4. State Kirchhoff‘s voltage law and current law? Page No.55,56 (June

06, Mar 07 & 08) 5. Define drift velocity. Page No.47 (Mar 10,07, Oct 08 & 09, June

09)

6. Define mobility of electrons. Give its units. Page No.47 (Oct 06,10,

Mar 08 & 09)

7. State Faraday‘s laws of electrolysis. Page No.63 (Mar 06, Jun 10)

8. Define temperature co-efficient of resistance. Page No.54(June 08)

9. What are the advantages of secondary cells? Page No.68 (Oct 08)

10. State Kirchhoff‘s laws and mention the sign convention. Page

No.55,56

11. What is called current density? Is it scalar or vector? What is its

unit? Page No.47

12. What is called super conductivity? Page No.50

13. Define electric resistance? Page No.48 (June 08)

14. Define electric resistivity of a material. Page No.49

15. Why is copper wire not suitable for potentiometer?

16. Why automobile batteries have low internal resistance?

17. The colour of a carbon resistor is yellow, violet and orange. What

is the value of resistance resistor?

18. What is the difference between primary cells and secondary cells?

Page No.66.67

19. Distinguish between electric power and electric energy. Page No.62

(June 08 & 09)

20. State Kirchhoff‘s second law for electric network. Page No.56 (Mar

09)

21. Define electro chemical equivalent of a substance. Page No.63

22. What are the changes observed at transition temperature when

the conductor becomes a super conductor? (June 2010) Page

No.51

23. What is called primary cells? Page No.66

24. How does e.m.f differ from potential difference? Page No.62

25. List the changes that occur at transition temperature. Page

No.51.

26. Differentiate current from current density. Page No.46, 47.

27. Define Transition temperature. Page No.51

28. Problems: from text book example, Page No.69 - 74

2.1(Mar 10), 2.2, 2.3, 2.4, 2.5 (June 07 & 09, Oct 07,10, Mar 08)

2.6 (Mar 07), 2.8, 2-9 (June 08) 2-10 (Oct 06) 2-13.

29. Problems: from Book Back, page no 76 to 78.

2.31, 2.32(Jun 06), 2.34 (Oct 09), 2.38 (M 07, J 10)

2.39, 2.40. 2.41

To Write 36 Total questions: 29

Problems also possible.

23

1. Why is nichrome used as a heating element? Page No.81(June 07)

2. In a Galvanometer, increasing the current sensitivity does not

necessarily increase the voltage sensitivity. Explain. Page No.106

(Mar 07)

3. Mention the limitations of Cyclotron. Page No.99 (Oct 06)

4. Define Peltier co-efficient and write its unit. Page No.84 (June 06)

5. Define Thomson co-efficient. What is its unit? Page No.85

6. Define seebeck effect. Page No.82

7. Define Ampere in terms of force. Page No.102 (Mar & June 08)

8. Difference between Peltier effect and Joule heating effect? Page

No.82,84 (Mar06)

9. State Joule‘s law? Page No.79

10. State Biot - savart law? Page No.87,88

11. What is meant by fuse wire? State its function? Page No.81

12. Define temperature of inversion. Page No.83

13. State Maxwell‘s right hand corkscrew rule. Page No.87

14. What is Ampere‘s circuital law? Page No.92 (Mar 09 )

15. What is neutral temperature of a thermocouple? Page No.83 (Oct

08)

16. How is the galvanometer converted into:

(a) ammeter (b) voltmeter Page No.106,108 (June 09)

17. How can we increase the current sensitivity of a galvanometer?

Page No.106 (Oct 09)

18. What is mean positive Thomson effect? In which elements it can

be observed? Page No.85

19. What are the characteristics of heating elements used in electric

heating device? (Mar 10) Page No.81

20. State Flemming‘s left hand rule (Oct 10) Page No.100

21. What is right hand palm rule? Page No.93

22. State principle of a cyclotron Page No.97

23. State the principle of moving coil galvanometer. Page No.10.

24. Why do we connect ammeter in series with the circuits and

Voltmeter in parallel with the circuit? Page No.108.

25. Define Thermo emf and Thermo electric current. Page No.52.

26. State ―end‖ rule. Page No.95

27. What is magnetic Lorentz force? Page No.95

28. Problems: from text book example, page no 112 to 115.

3.2 (Oct 07), 3.3, 3.4, 3.7, 3.9, 3.9, 3.11, 3.12, 3.13

29. Problems from book back : Page No.120-121

3.28, 3.32, 3.38 and 3.39.

To Write 37 and 38 Total questions: 27.

Normally one question from Book back. Page No: 157 and 158 and one

problem. In Oct 06, 08, Mar 07 and 10, problems were not given from

either example or book back. So problems may come from outside the

textbook. Refer guides.

1. State Faraday‘s laws of electromagnetic induction? Page

No.124 (June 06 & 07, Oct 07)

2. Define r.m.s value of alternating current? Page No.141 (June 07,

Oct 09)

3. State Fleming‘s right hand rule .Page No.125 (Mar 10,07 & 09, June

09, Oct 09)

4. Define quality factor.(or) q- factor. Page No.148 (Oct 06)

24

5. Mention the methods of producing induced e.m.f. Page No.131 (Oct

10, Mar 06)

6. A capacitor blocks D.C but allows A.C explain. Page No.145,146

7. Define power factor? Page No.150

8. Compare step up and step down transformer. Page No.138

9. Give difference between AF choke and RF choke. Page No.151(June

08)

10. State Lenz‘s law in electromagnetic induction. Page No.124 (June

10, Oct 07)

11. Why a D.C ammeter not read A.C? Page No.141 (Oct 07)

12. What is electromagnetic induction? Page No.122 (Mar 08)

13. Define coefficient of self induction of a coil. Page No.126 (June 09)

14. Define coefficient of mutual induction, Mention its unit. Page

No.129

15. Difference between Self induction and mutual inductance. Page

No.125,128

16. If the rate of charge of current of 2As-1. Induces an e.m.f of 10mv

in a solenoid. What is the self inductance of the solenoid? Answer:

ρ=-L x di/dt. (Formula). ρ =5mH.(repeated)

17. What is eddy current? Page No.136

18. Define instantaneous power of an AC circuit. Page No.144

19. What is inductive and capacitive resistance? Page No.144,145

20. What are the advantages of ac over dc? Page No.145,146

21. What are the factors on which the mutual inductance depends

on? Page No.129

22. What do you mean by resonance? What is the use of resonance?

Page No.148,149

23. What is magnetic flux? Give its unit. Page No.122

24. Define resonant frequency. Page No.148

25. Define efficiency of a transformer. Page No.138,139

26. Problems: from text book example, page no: 151 to 153.

4.1, 4.2 (June 06, Mar 08) 4.3

4.4 (Mar 06 & 09) 4.5, 4.6,

4.7 (June 08 & 09)

27. Problems: from book back, page no 159-160.

4-54, 4-56, 4-63,


Note: Normally one question from book back, Page No.208 (chance) and

one problem from either example or book back problems.

1. Define optic axis of a crystal? What is meant by optical rotation?

Page No.199 (June 07,10)

2. What is Tyndall scattering? Page No.173(Mar 07, June 10,09, Oct 10)

3. What is band emission spectrum? Give an example. Page No.168

4. Why does the sky appear blue in colour? Page No.173 (June 06)

5. What are emission and absorption spectra? Page No.168,169 (Mar

& Oct 06)

6. Distinguish between interference and diffraction fringes. Page

No.194 (Oct 07)

7. What is meant by specific rotation? Page No.202 (Mar 08)

8. The sun appears reddish during sunrise and sunset. Why? Page

No.173

9. State Rayleigh scattering law. Page No.175

25

10. Difference between fluorescence and phosphorescence. Page

No.170

11. What are factors on which optical rotation depends upon? Page No.202

(June08)

12. What are the conditions for total internal reflection to take place?

Page No.180 (Oct 08)

13. What are the characteristics of electromagnetic waves? Page

No.163

14. State Huygens‘ Principle. Page No.176 (Oct 09)

15. Write any three uses of infrared radiation. Page No.167 (Oct 08)

16. Why is the centre of the Newton‘s ring dark? Page No.187 (Mar

09)

17. State the conditions for obtaining clear and broad interference

bands. Page No.185

18. What is total internal reflection? Page No.179

19. What are Polaroid‘s? Mention any three uses of Polaroid‘s. Page

No.200

20. What are Newton‘s rings? Page No.187

21. What are electromagnetic waves? Page No.163

22. What is the principle of super position of waves? Page No.180

23. Compare ordinary and extraordinary light. Page No.199

24. Distinguish the corpuscle and photon.

25. Give the conditions for sustained interference. Page No.182

26. What are coherent sources? Page No.181

27. Distinguish between Fresnel and Fraunhofer diffraction. (Mar10)

Page No.190,191

28. What are called corresponding points? Page No.191

29. What is polarizing angle? Page No.197

30. Difference between line spectrum and continuous spectrum. Page

No.169

31. What are stokes and anti-stokes lines? Page No.173

32. What are uniaxial and biaxial crystals? Give examples Page

No.199

33. State Brewster‘s law. Page No.197

34. What do you mean by polarizer and analyzer? Page No.196

35. What is Raman Effect? Page No.173

36. State the defects of corpuscular theory. Page No.171

37. Compare polarized and unpolarised light. Page No.195

38. Problems: from text book example, Page No.203-205

5.2, (June 06) 5.4(Oct 10), 5.5 (Mar & June 07)

5.6 (Mar 08) 5.7, 5.8 (Mar 06 & 09)

39. Problems: from book back, page no 209.

5.41, 5.44, 5.45 (Oct 06 & 07,

June08 & 09), 5.49 (Oct 09) 5.50,


Note: One problem and one question (chance)

1. Who is hologram? Page No.46 (Oct 07)

2. Write down the 2 important facts at the Laue experiment on X-ray

diffraction. Page No.29 (Oct 07, June 08)

3. State Moseley‘s law, write its equation. Page No.33(Mar 07, 08 & 09)

4. What are the characteristics of laser? Page No.35 (Oct 06, June

09,10, Mar 10)

26

5. Write the principle of Millikan‘s oil drop experiment. Page No.5

(June 06)

6. Write the conditions to achieve laser action. Page No.36 (Mar 06,

June 07)

7. Explain any one of the drawbacks of Rutherford atom model. Page

No.12 (Oct -08)

8. Give 3 industrial uses of laser. Page No.39(June 08)

9. Give 3 properties of cathode rays. Page No.2

10. State any 3 postulates of Bohr atom model. Page No.21

11. Give drawback of Thomson‘s atom model? Page No.9

12. Compare spontaneous emission and stimulated emissions. Page

No.35

13. What is meant by normal population? Page No.35

14. What meant by population inversion. Page No.35,39

15. Write any 3 applications of laser in medical field? Page No.39 (Mar

08, Oct 09)

16. What are hard x-rays and soft x-rays? Page No.26

17. State Bragg‘s law. Page No.29

18. What are continuous x-rays? Page No.31

19. Define Ionisation potential Energy? Page No.20,21(Mar 07, June 09,

Oct 10)

20. Write any 3 industrial uses of X-Rays. Page No.34

21. What are the short-comings of Somerfield‘s atom model? Page

No.21,22

22. Write short notes on MASER. Page No.40

23. Define excitation potential energy. Page No.20,21

24. State the applications of Moseley‘s law. Page No.33

25. State Rutherford‘s atom model. Page No.11,12

26. How does laser light differ from ordinary light? Page No.34

27. What is meant by energy level diagram? Page No.18

28. Problems: from text book example, (Vol-2) page no: 41 to 45.

6.1 6.3 6.4,

6.7, (Oct 06) 6.8, 6.9 (June 10, 06,

Oct 10, 08, Mar 09) 6-10.

29. Problems: from book-back, page no 49-50.

6.46(June 07) , 6.49(Mar 06),

6.50(June 07), 6.52(Mar 10)


Note: Chance for problem (or) question.

1. Give limitations of electron microscope? Page No.62 (Mar 09,06)

2. What are inertial and non inertial frames of reference? Page No.63

(Oct 06, Mar 08)

3. Define threshold frequency? Page No.54

4. State the postulates of special theory of relativity? Page No.64 (Oct

07, June 09)

5. What are matter waves? Page No.58

6. Define stopping potential (or) cut-off potential? Page No.53 (Oct

09)

7. Define frame of reference? Page No.63

8. Define photoelectric work function? Page No.56

9. What is photoelectric effect? Page No.51

10. Calculate the threshold wavelength of certain metal of work

function 1.8 eV. (Oct 08)

11. What are photo cells? What are the 3 types of photo cells? Page

No.57

27

12. Mention the uses of Electron microscope (Mar 07) Page No.62

13. According to classical mechanics, what is the concept of time?

(June 10) Page No.63

14. Mention any 3 applications of Photoelectric cells. Page No.57,58

15. X-ray cannot be used in electron microscope, why? Page No.60, 61.

16. What are the concept of space and mass in classical mechanics? Page

No.63

17. Problems: from text book example, (Vol-2) Page No.68-71

7-1, 7-4, 7-5 (June 07, 08)

7-7, 7-8, 7-9.

18. Problems from Book-back, Refer Page No.74.

7.34, 7.40, 7.41, 7.42


Note: One problem and one question (Chance)

1. What is the use of a control rod in the nuclear reactor? Mention

any two control rods? Page No.100 (Oct 07)

2. Define roentgen? Page No.92 (June 07, Oct 08)

3. What is meant by pair production and annihilation of matter?

Page No.107 (Mar 06 & 07, June 06)

4. Write any three conclusions obtain from Binding energy curve?

Page No.80 (Oct 06)

5. Define curie. Page No.88 (June & Oct 06, Mar 08)

6. What is α-decay? Give an example. Page No.85 (Mar 06)

7. Define half life period and mean life? Page No.87,88

8. What are primary and secondary cosmic rays? Page No.105

9. What is radio carbon dating? Page No.91

10. What are breeder reactors? Page No.101 (Mar 09)

11. State the laws of radioactive disintegration? Page No.86

12. Write any three properties of neutrons (June 06, Mar 08) Page No.89

13. What is mass defect? (Oct 10) Page No.79

14. Define binding energy of nucleus? Page No.79 (Oct 09)

15. State radioactive displacement law? Page No.85 16. Define critical mass or critical size of nuclear reactor? Page No.97

(Oct 08) 17. What are cosmic rays? At what latitude and altitude the cosmic

rays intensity is maximum? Page No.105 (June 10,08)

18. Compare nuclear fission and fusion? Page No.95,103

19. What are nuclear forces? How do they arise? Page No.82

20. Write any three properties of nuclear force.Page No.82 (Mar 09)

21. Define radioactivity. Page No.83

22. Write a note on leptons. Page No.107 (June 07)

23. What are isotones? Page No.77

24. How do you classify the neutrons in the terms of K.E Page No.89

(June 09)

25. Write the equation proton-proton cycle can account for steller

energy. Page No.104

26. What is called activity of a radioactive substance? Give its units.

Page No.88

27. Explain the experiment conducted by Bothe and Becker. Page

No.89,90

28. What are thermonuclear reactions? Page No.103

29. State the principle of G.M counter. 94 30. What is a nuclear reactor? What are the uses? Page No.98,101

28

31. What are the precautions to be taken by those who are working in

radiation laboratory? Page No.93 32. What do you mean by gamma decay? Give an example. Page

No.85,86 33. Define amu. Page No.78 34. How are elementary particles classified? Page No.107 35. Problems: from text book example, (Vol-2) page no: 109.

8-1, 8-2.

36. Problems: from Book back, page no 119-120.

8.47, (Oct 07) 8.49, 8.52 (Mar 20), 8.56,

8.57(J 09) 8.58 (Mar 07, Oct09, June10), 8.59, 8.60,

To Write 46, 47, 48 and 49 Total questions: 41

Note: Chance one question from Book back and one problem from

example (or) self evaluation. Problems may also come from inside the

book, based on Logic gates. Difficult to write all four question from this

chapter, so prepare well.

1. What are the advantages of negative feedback? Page No.150 (June

07&08, Oct 08, 07)

2. Give the important parameter of an operational amplifier? Page

No.143 (Oct 07)

3. Draw the circuit diagram of AND gate using diodes and resistor.

(June 07) Page No.157

4. Define bandwidth of an amplifier. Page No.147 (Mar 07)

5. What is a light emitting diode? Give any one of its uses. Page

No.136 (Mar 07)

6. Draw the circuit configuration of NPN transistor in common

collector (C.C) mode. Page No.139 (Mar 06 & 08, Oct 06)

7. Draw the circuit diagram for OR gate-using diodes. Give its truth

table Page No.159 (June 06)

8. Define input impedance of a transistor connected in common

emitter mode Page No.141 (June 06 & repeated)

9. What is an intrinsic semiconductor? Give two examples. Page

No.125 (Mar-06)

10. State De - Morgan theorem. Page No.161(Mar 08 & 09,June 10)

11. Compare linear IC‘s and digital IC‘s

12. Define lower cut off frequency and upper cut off frequency? Page

No.147

13. Define output impedance of a transistor in? Page No.142 (O 08,09)

14. Common emitter mode is widely used. Why? Page No.143

15. Define input impedance – mention its uses. Page No.141

16. What is an extrinsic semiconductor Page No.126 (June 06, 08, O10)

17. What is an integrated circuit, what are the types? Page No.154

(June 08 & 09)

18. What is Meant by doping Page No.125,126 (Oct 08)

19. Draw the circuit for summing amplifier Page No.167 (Mar 09)

20. Give the Barkhausen conditions for oscillator Page No.150 (Oct

07,08, June 09, Mar 10)

21. Mention any three uses of Cathode Ray Oscillator (CRO) Page

No.170 (June 09)

22. Write the different methods of doping a semiconductor Page

No.126 (Oct 09)

23. What is Zener diode? Draw its symbol. Page No.135 (Oct 09, 10).

29

24. Mention any 3 advantages of integrated circuit. Page No.154 (Mar

& Oct 06, June 10)

25. Define rectifier efficiency. Page No.133

26. What are universal logic gates? Why are they called so? Page

No.161

27. Compare N-type and P-type semiconductor. Page No.126,127

28. What is an Ex OR gate? Give its truth table. Page No.159

29. What is avalanche breakdown? Page No.134

30. Draw the block diagram of an oscillator and mention the

components. Page No.152,153

31. What is called feed back? State two types of feedback. Page

No.148

32. Construct AND gate using NOR gate. Page No.157,160

33. The gain of a amplifier without feedback is 100 and gain with positive

feedback is 200, Calculate the feedback fraction (Mar 06)

34. What is Zener breakdown? Page No.135 (Oct 06, June 07, Mar 08)

35. The voltage gain of an amplifier without feedback is 100, If feedback is

supplied with a feedback fraction β=0.1, Calculate the voltage gain after

feedback. (Oct 06)

36. What is rectification? Page No.132 (Mar 07,09)

37. Draw the energy band diagram of N-type and P-type Semi-conductors.

Page No.127,128 (Mar 10)

38. Draw NOT gate using transistor. Page No.158 (June 10)

39. What are the essential components of a LC oscillator? Page No.152 (Oct

10)

40. What is the principle involved in the method of biasing a transistor?

Page No.145.

41. Write a note on OP-AMP. Page No.164.

42. Derive the relation between the α and β of a transistor. Page No.140

43. Define forbidden energy gap. Page No.123

44. Compare analog and digital signal. Page No.155

45. Define current gain of CE mode. Page No.140

46. Problems: from text book example, (Vol-2) page no: 172 to 175.

9-2 (Mar 08), 9-3 (June 06, Oct 09, 10, Mar 10) 9-4,

9-5 (Oct 07), 9-8 (June 08) 9.9(Model in J 07)

47. Problems: from Book-back, page no 178 to 179.

9.50 (June 10), 9.51, 9.52(Mar 07), 9-55, 9.56(Model in Mar 09)

9.57, 9.58, 9-60(June 09)


Note: Normally less chance for problem from this chapter. Chance from

book-back question, Page No. 216, 217.

1. What is the necessity of modulation? Page No.185 (Oct 07)

2. What is meant by skip distance? Page No.184 (June 07 &09, Mar

08, Oct 10)

3. What are the advantages of digital communication? Page No.209

(Mar 07, June 10)

4. What is fax? Give its uses? Page No.210 (Oct 06)

5. Three applications of radar? Page No.207 (June 06)

6. Define modulation factor in Amplitude modulation. Page No.186

(Mar 06, 10, June 08, Oct 09)

7. What is called phase modulation? Page No.191

8. What is optical fiber? Page No.211

9. Explain geo stationary satellite? Page No.212

30

10. What are the advantages of frequency modulation? Page

No.190(Mar 09)

11. Mention any three advantages of fiber optic communication

system Page No.212 (Oct 08)

12. What are the different types of wire and cable used for

communication system? Page No.210

13. What is meant by scanning? Page No.198

14. What are called blanking pulses? Page No.199

15. What is an antenna and antennae gain? Page No.191

16. What are the De-merits of satellite communications? Page No.214

17. What is meant by Skip zone? Page No.185

18. What is modulation? What are the different types of modulation? Page

No.185

19. Define bandwidth and carrier swing. Page No.188,190

20. What do you mean by Sky wave (or) ionospheric propagation? Page

No.183

21. What are the advantages and disadvantages of digital communications?

Page No.209

22. What are the advantage and disadvantages of AM? Page No.189

23. Merits and De-merits of satellite communications. Page No.213-214

24. Disadvantages of FM. Page No.191

25. State the principle of radar. Page No.206

26. Problems: from text book example, (Vol-2) page no: 214.

10-2.

27. Problem : From book-back: Page No: 217, 10.33 (Model)

Sl. No UNITS No. of

Qus. 12 Q.No

1 ELECTROSTATICS 1 51

2 CURRENT ELECTRICITY 2 52, 53


1 54


1 55


1 56

6 ATOMIC PHYSICS 1 57

7 DUAL NATURE 2 58, 59

8 NUCLEAR PHYSICS 1 60

9 SEMI CONDUCTOR DEVICES 1 61


To write 51 Total Questions: 8

Note: Normally problems more chance, from this chapter. (Text book

examples or self evaluation). If problem is not given, chance from text

31

book back Question. Refer March 09 and October 09 question papers.

Page No.42,43 For book-back questions.

1. Write the properties of electric lines of forces. Page No.7 (Mar 07 &

08, Oct -07, Mar 10)

2. Define electric potential at a point. Obtain an expression for electric

potential due to a point charges. Page No.12,13 (Mar 09)

3. What is electrostatic potential energy of a system of two point

charges? Deduce an expression for it. Page No.15,16 (Oct 09)

4. Prove that the energy stored in a parallel plate capacitors e is

Page No.28

5. Explain working method of Van-de-Graaff generator. Page No.30,31

6. Deduce an expression for the capacitance of the parallel plate

capacitor. Page No.26 (June 10)

7. Derive an expression for the torque acting on the electric dipole

when placed in a uniform electric field. (Oct 10) Page No.11

8. Find the effective capacitance of capacitors connected in parallel. Page

No.28

9. Find an expression for the field due to an Infinitely long straight charged

wire. Page No.18

10. Find an expression for the electric field due to an infinitely charged

plane sheet. Page No.19

11. State coulomb‘s law and derive its vector equations. Page No.3, 4,

5.

12. Explain the principle of capacitor. Page No.22

13. Explain the electric potential energy of an electrical dipole in an

electrical field. Page No.14

14. Using Gauss Theorem, Determine the field due to an infinite long

straight wire. Page No.17,18

15. Problems from text book examples. (Vol.I) - Page No.33-40.

1.4(C.P), 1.5(C.P), 1.9(C.P), 1.13(Mar 06), 1.16(June 09).

16. Problems from book-back problems, Page No.43-45

1.42, 1.45, 1.46, 1.47 1.49(C.P, Model Paper & June 08), 1.53(Oct 08)

1.54 (C.P in June 07), 1.55, 1.56, 1.58, 1.59(June 06, Oct 06).

To write 52 and 53 Total Questions: 19

Note: Chance for one question and one problem. Compulsory problems is

given in (Mar 07, June 10 and Oct 10) – 3 Times, from this chapter.

1. Explain the working of a Leclanche cell with a diagram. Page

No.66-67 (June 07)

2. How will you compare the e.m.f.s of 2 cells using potentiometer?

Page No.61,62 (Mar 07, Oct 08)

3. Obtain the condition for bridge balance in wheat stone‘s bridge

Page No.57-58 (Mar 06 & 08, June 06 & 09, Oct 06, Mar 10)

4. If two or more resistors are connected in parallel derive an

expression for the effective resistance. Page No.53 (Oct 06)

5. Write any five applications of super conductors. Page No.51 (Oct

08, Mar 09)

6. Explain how Metre Bridge is used to find the resistance of the

wire. Page No.59

7. Define mobility. Establish a relation between drift velocity and

current. Page No.47-48 (Mar 06)

8. State and verify Faraday‘s second law of electrolysis.How is it

verified experimentally? Page No.63,64 (June 06, Mar 08)

9. State and explain Kirchhoff‘s second law for electrical network

Page No.56 (June 07)

32

10. Explain the principle of potentiometer. Page No.60,61 (Oct 07)

11. Explain the action of lead acid accumulator. Page No.68 (Oct 07)

12. Explain the determination of the internal resistance of a cell using

voltmeter. Page No.54-55 (June 08, Oct 09)

13. State the Faraday‘s first law of electrolysis and describe the

experimental verification. Page No.63(June 08, Oct 09)

14. Explain the construction and working of Daniel cell. Page No.66

(Oct 08, June 09, 10)

15. State Ohms law. Derive the relation between the current and

potential difference. Page No.48-49

16. Find the effective resistance of the resistors connected in parallel

and series. Page No.53

17. Define the term specific resistance. How will you find this using

metre bridge? Page No.59-60

18. Derive the relation between current and drift velocity. Page No.48

19. Problems from Textbook examples: Page No.69-74

2.2 (Mar 09), 2.6, 2.7, 2.9, 2.10 (C.P in June 10), 2.11(C.P in Oct 10),

2.12 (C.P in Mar 07).

20. Problems from Book-back: Page No: 76-78.

2.30 (Compulsory Problems), 2.33(Mar 10, C.P in Mar07), 2.36,

2.42, 2.44 (C.P in Oct 10), 2.45


Note: Compulsory problem given from this chapter in Mar 09 and Oct 09

1. What are the special features of magnetic Lorentz force? Page No.95-96

(June 07)

2. Explain the conversion of a galvanometer in to an ammeter. Page

No.106 (Mar 07)

3. Explain in detail the principle and construction of a Tangent

galvanometer. Page No.91(Diagram, theory not necessary)(Oct 08)

4. State and explain Biot-Savart law. Page No.87,88 (June 09)

5. Show that the force acting on a current carrying conductor placed

in a magnetic field is Page No.98-99

6. Deduce an expression for the force on a current carrying

conductor placed in a magnetic field. Page No.98-99

7. Explain how a galvanometer is converted into a voltmeter. Page

No.108 (repeated)

8. Find an expression for the force between two long current carrying

conductors. Page No.101

9. Write a note on Thermopile. Page No.85, 86.

10. Problems from textbook examples Page No.112-117

3.3(C.P in Model Paper 5), 3.4(Oct 07), 3.5(Repeated in Model Paper),

3.6(C.O in model Paper), 3.11(Repeated problems in model paper),

3.13(June 10, C.P in Oct 09), 3.16 (Mar 07 & C.P in Mar 09), 3.18 (June

08).

11. Problems from Book-back. Page No.120-121.

12. 3.30 (Mar 06, Oct 06 and C.P in Mar 09), 3.32 (C.P in Model Papers),

3.34, 3.35 (June 06 & C.P in Oct 09), 3.37, 3.39(Oct 10 and C.P in

Model Papers), 3.40.

To write 55 Total Questions: 14.

Note:Normally Q.No 55 is from Unit 4, Chances for book-back

questions. Page No.158-159. Till now, In all the previous board papers (Mar

06-Oct 10), Compulsory problem is not given from this chapter. So chances for

problems for the next board exam. Problem was given only once in June 09

(Eg.4.5)

33

1. Define the Efficiency of a transformer. What are the reasons for

various energy losses in a transformer? Explain how they can be

minimized. Page No.138-139 (June & Oct 06)

2. Obtain the phase relation between current and voltage in an a.c

circuit with an inductor only (graph not necessary) Page No.143-

144 (Mar 06 & 08)

3. What are eddy currents? Give their application. How are they

minimised? Page No.136

4. Explain how an e.m.f can be induced by charging the area

enclosed by the coil. Page No.132 (June 07, Oct 07 & 08, Mar 09)

5. Explain the mutual induction between two long solenoids. Obtain

an expression for the mutual inductance of a long solenoid. Page

No.130 (June 08)

6. Derive the expression for the self inductance of a long solenoid.

Page No.126-127

7. Explain A.C circuit with resistor only. Page No.142-143

(June 08)

8. Calculate the energy associated with an inductor. Page No.127-

128

9. Describe the principle, construction and working of a choke coil.

Page No.150-151

10. Give the application of eddy currents (Mar 07) Page No.134-137

11. Explain long distance power transmission Page No.139-140

12. Problems from textbook examples. Page No.151-155

4.3, 4.5(June 09), 4.7, 4.8, 4.9, 4.10.

13. Problems from Book-back. Page No.159-160

4.54, 4.56, 4.57, 4.59, 4.60, 4.64


Note: More chance for book back questions. Compulsory problem is

given only in (Oct 07, 08, Mar 10), 3 – Times from this chapter.

1. Write a note on piles of plates. Page No.198 (Mar 06, June 09)

2. Explain polarization by reflection. Page No.197

3. State and prove Brewster law. Page No.197 (June 06, 07 & 08, Oct

06, Mar 09, June 10)

4. Write a note on Nicol prism. Page No.199 (Mar 07, Oct 09)

5. Explain the Phenomenon of total internal reflection by using wave

theory. Page No.199

6. Explain Huygen‘s principle. Page No.176

7. What are Fraunhofer lines? How is it useful to study the sun‘s

atmosphere? Page No.169,170

8. State any five characteristic of electromagnetic waves. Page

No.163-164

9. State and explain Raman Effect. Page No.173

10. Describe Rayleigh scattering in detail. Page No.173

11. Explain double refraction. Page No.198-199

12. Give the difference between interference and diffraction. Page

No.194 (Oct 10)

13. Bring out the differences between ordinary and extraordinary

light. Page No.199

14. What are Newton‘s rings? Why the centre of the Newton‘s ring is

dark? Page No.187

15. What is meant by optical rotation? On what factors does it

depend? Page No.201-202

16. How are (i) wavelength of light and (ii) refractive index of a liquid

determined using Newton‘s rings?

17. Derive an expression to the radius of Newton‘s nth dark ring and

hence explain the applications of Newton‘s rings. Page No.189

34

18. Explain the types of emission spectra Page No.168

19. Describe reflection of plane wave front using wave theory. Page No.177

20. Describe the uses of Polaroid‘s. Page No.200-201

21. Problems from textbook examples Page No.203-205

5.3(Model, Given as C.P in Oct 09, 08), 5.7(Mar 08, C.P in Mar 10)

22. Problems from Book-back Page No.209

5.40, 5.42 (C.P in Oct 08), 5.43 (C.P in Oct 07), 5.46, 5.47 (C.P in

Mar 10), 5.48


Note: Normally Q.no 57 will come from Atomic physics. Chance for a

question or problem. Till now (Mar 06- Oct 10), C.P is not given from

this chapter. So chances for C.P for this March 11.

1. Mention the properties from x rays. Page No.27

(June 06)

2. Describe Lane experiment, which are the facts established by it. Page

No.28 (Oct 06)

3. Short comings of Bohr‘s Theory? Page No.21

4. Explain the spectral series of hydrogen atom without diagrams.

Page No.16 (Mar 06, Mar 10m June 10)

5. State and obtain Bragg‘s law. Page No.29 (June 08, Oct 09)

6. Write any five properties of cathode rays. Page No.2(Oct 06, June09)

7. Explain the origin of characteristic x-rays. Page No.32 (Mar 09)

8. Explain the production of x-rays in Coolidge tube. Page No.25

9. Explain the origin of continuous x-ray spectra. Page No.32

10. Explain the production of canal rays. Page No.2,3

11. Explain the working of He-Ne Laser with the help of energy level

diagram. Page No.38

12. Probe the energy of an electron for Hydrogen Aton in nth orbit (Oct

07) Page No.15

13. Explain how Bragg‘s X-Ray spectrometer is used to determine the

wavelength of X-Rays. Page No.30

14. Wavelength of Balmer Second line is 4861 A. Calculate the wavelength of

the first line (Repeated Problem) Page No.13

15. Derive an expression to the radius of nth orbit of an electron based on

Bohr‘s theory. Page No.14

16. Describe industrious applications and medical applications of

Laser Light. Page No.39

17. Describe the scientific and engineering applications of X-Rays. Page

No.34

18. Explain the properties of canal rays. Page No.3

19. Describe the defects of Rutherford‘s atom model. Page No.12

20. Problems from text book examples Page No.42-45

6.2, 6.4 (Mar 08), 6.5(Mar 07), 6.7(Oct 07), 6.8(June 07).

21. Problems from Book-back questions. Page No.49-50

6.45 (Oct 10), 6.46, 6.47, 6.48.

To write 58 and 59 Total Questions: 24

Note: Normally Q.no 58 and 59 will come from dual nature of radiation.

One question and one problem may come from this chapter.

Compulsory problem was given in June 2009 from this chapter.

35

1. Explain the construction and working of a photo emissive cell

with diagram. Page No.57 (Oct 08)

2. Describe Hallwachs experiment for they study of photo electric

effect? Page No.51 (repeated)

3. Discuss the effect of frequency of incident radiation on stopping

potential. Draw graph. Page No.53-54

4. Explain the wave mechanical concept of an Atom. Page No.60 (Oct

07)

5. Define work function state law of photo electric emission. Page

No.55 (Mar 07)

6. Explain Lorentz – Fitzgerald contraction, with examples? Page

No.64 (Mar 06 & 08)

7. Obtain Einstein‘s photoelectric equation. Page No.55-56 (Mar 06

June 06, Oct 09)

8. Explain time dilation with an example. Page No.65 (Mar 06 &

Mar 08)

9. Write any five applications of photoelectric cell. Page No.57-58 (Oct

06, June 07, Mar 08, June 08 & 09)

10. Derive an expression for De Broglie wavelength of matter waves.

Page No.58 (Oct 06, Mar 07 & 09)

11. Obtain Einstein‘s Mass-energy equivalence. Page No.65-66(June 07)

12. Explain the variation of photoelectric current with applied voltage.

Page No.52-53

13. Explain Einstein‘s theory of photoelectric effect. Page No.55-56

14. Explain length contraction on the basis of special theory of

relativity 9Mar 10, Oct 10). Page No.64

15. Explain the effect of potential difference on the photoelectric

current. Page No.52

16. What is photo electric cell? Explain its working. Page No.57

17. Explain the construction and working of electron microscope.

Draw neat sketch. Page No.61

18. What is photoelectric effect? Explain With the help of a graph.

Explain the effect of intensity if incident radiation on the

photoelectric current. Page No.51

19. State the postulates of special Theory of relativity. Page No.64

20. Discuss the concept of space, time and mass. Page No.63

21. Explain the frame of reference. Page No.63

22. What is photoelectric effect? State the laws of photoelectric emission

(Mar 09)

23. Derive an expression to the D-broglie‘s wavelength associated with

accelerated electrons. Page No.59

24. Describe photo emission cell. What are its applications. Page No.57-58

25. Problems from text book examples: Page No.68-67

7.2(Oct 09), 7.8(Oct 08), 7.9

26. Problems from Book-back Page No.74

7.33, 7.39 (As C.P in Model Papers), 7.48, 7.40 (C.P in June 09)


Note: Normally Q.No is 60 is from nuclear physics, nearly all examples

and all book back problems were given as problems or Compulsory

problems in board papers or model papers. Compulsory problems were

given in (Mar 06, June 06, Oct 06, Mar 08, June 08), 5 times in board

papers.

1. If the mass defect of the nucleus 6C-12 is 0.098 amu. Then

calculate the binding energy per nucleon. (June 07)

36

2. Write a note on the biological hazards of nuclear radiation. Page No.92

(Oct 08) 3. Explain how a cosmic ray shower is formed Page No.105 (Mar 07)

4. Explain the latitude effect of cosmic rays. Page No.106 (June

09,Oct 07)

5. Explain the different characteristics of nuclear forces. Page No.82

6. Explain the variation of binding energy with mass number by a

graph and discuss its features. Page No.79-80

7. Explain the construction and working of an atom bomb. Page

No.98-99

8. Explain how liquid drop model of the nucleus can account for

nuclear fission. Page No.96

9. Explain how carbon nitrogen cycle can account for the production

of stellar energy. Page No.104

10. Give an explanation for the binding energy curve (Graph not

needed) (June 10) Page No.79-80

11. Write the properties of alpha – rays (Oct 10) Page No.89

12. Derive the expression N=Noe-λt for radioactive disintegration Page No.86

13. Explain the principle, Construction and working of a G.M Counter.

Page No.94

14. State any 5 properties of neutrons. Page No.89

15. Describe the properties of beta rays. Page No.84

16. Write a note on elementary particles.

17. Write a note on Atom Bomb. Page No.97-98

18. Describe Radioactive displacement law. Page No.86

19. What are the results obtained in binding energy curve? Page No.79-80

20. Describe application of radio isotopes. Page No.90

21. Describe the properties of nuclear force. Page No.82

22. Problems: from text book example, (Vol-2) Page No.109-115.

8-1 (compulsory problem in model papers) 8-2 (Mar 09) 8-3,

8-4 (repeated in model papers) 8-5 (Mar 08) 8-

6.8-7 & 8-10 (compulsory problem in Mar 06) 8-8 (repeated)

8.9 (compulsory problem in Oct-06, June-08, as well as in few

model papers)

23. Problems: from solution book, page no 63.

8-47 (Oct 07)

8-49 (compulsory problem in June 06)

8-50 (compulsory problem in model papers)

8-51 (repeated)

8-53 (compulsory problem in Oct 06, Mar 08)

8-54 (compulsory problem in June 06 & 08, Oct 09)

8-55,

8-58 & 8-60 (both combined as compulsory problem in few model

papers).

8-61 (compulsory problem in few model papers)

To write 61 Total Questions: 21.

Note: Normally Q.no 61 will come from Semi conductor devices.

Question or problem has more chances. Only in June 10, Problem was

given from this chapter. Till now, compulsory problem has not been

asked from this chapter.

1. Explain bridge rectifier with neat circuit diagram. Page No.133

(June 06)

2. With a circuit diagram, explain voltage divider biasing of a

transistor. Page No.145 (Mar 07, June 09)

37

3. Draw the frequency response curve of single stage CE amplifier

and discuss the result. Page No.146 (Mar 08) 4. What is an AND gate? Explain the function of AND gate using

electrical circuit and using diodes. Page No.157 (June 08)

5. Explain the circuit symbol and pin out configuration of an

operational amplifier. Page No.164 (Oct 08)

6. Explain the forward biased characteristics of PN junction diode.

Page No.129

7. State and prove De Morgan‘s Theorems. Page No.161 (Mar 10, 06,

Oct 06,10 & 09)

8. Define current amplification factor α and β and obtain the

relation between them. Page No.140 (June 07)

9. Explain the function of a transistor as a switch. Page No.143(Oct 07)

10. Explain the working of a half wave diode rectifier. Page No.132(Mar

09)

11. Explain, how operational amplifier is used as summingPage

No.167

12. Explain the principle of feedback amplifier. Page No.148

13. Explain the transistor circuit configurations. Page No.139

14. Explain half wave rectification. Page No.132

15. Sketch a neat diagram of a full wave rectifier using diodes.

Explain its working. Page No.133

16. Describe the construction of Zener diode and mention, how it

used as a voltage regulator? Page No.135

17. Compare intrinsic and extrinsic semiconductor. Page No.125-126

18. What is an EXOR gate? Give the Boolean expression for the EXOR

operation. Page No.159

19. Describe the voltage divider bias of a NPN transistor. Page No.145-146

20. Problem from text book example – Page No. 172-175

9.1, 9.2 (June 10), 9.6, 9.8, 9.9

21. Problem from Book back questions. : Page No.179, 179

9.53 (Model Paper)


Note: Normally Q.No 60 will come from Communication systems. Till

now (Mar 06- Oct 10), Problems were not given from this chapter.

1. What are the advantages and disadvantages of digital

communication Page No.209 (Mar 06, June 06, 08 & 09)

2. Explain space wave propagation of radio waves. Page No.183 (Oct 06)

3. Explain the function of a straight radio receiver. Page No.194

4. Explain the function of a FM super heterodyne receiver with a

diagram. Page No.196 (Oct 08, Mar 09)

5. Explain analog and digital communication. Page No.208

6. Write a note on wire and cable used for Telecommunication

system. Page No.210, 211

7. What is an optical fibre? Mention the advantages of fibre optical

communication system. Page No.211 (Mar 08)

8. Write a note on satellite communications. Give its merits and

dements. Page No.212-214

38

9. Mention the principle of RADAR and write its applications. Page

No.206 (Mar 07, 10)

10. Draw the block diagram of AM radio transmitter and explain its

function. Page No.192 (Oct 07, 10)

11. Explain the function of FM transmitter, with a neat diagram. Page

No.193 (Oct 08, 09, June 10)

12. Explain the merits and demerits of frequency modulation. Page

No.190-191

13. Explain super heterodyne receiver (AM) with block diagram. Page

No.194-195

14. Explain the working of simple radio receiver with a block diagram.

What are its disadvantages? Page No.194

15. Explain frequency modulation transmitter with block diagram.

Page No.193

16. How is flicker effect removed during interlaced scanning? Page

No.200

17. Explain the function of various units in the monochrome

television transmission. Page No.203

18. Explain the ground wave propagation. Page No.182

19. Explain amplitude modulation. Page No.186 (repeated)

20. Explain the operation of Facsimile. Page No.210

21. Explain the variation of motion of radio waves at different angles

of incidence. Page No.184-185

22. Write a short note on fibre optical communication and mention

its advantage (June 07). Page No.211, 212

Sl. No UNITS No. of

Qus. 8 Q.No

1 ELECTROSTATICS 1 63


1 64


1 65


1 66

5 ATOMIC PHYSICS 1 67

6 NUCLEAR PHYSICS 1 68

7 SEMI CONDUCTOR DEVICES 1 69


Note: Normally no ten marks question from Dual nature and

Current electricity.

39

To write 63

NOTE: Chance from book question for this march 2010. Refer text book

page no: 42, 43 (vol-1)

1. What is an electric dipole? Derive an expression for the electric

field due to an electric dipole at a point on its axial line. Page

No. 8-9 (Mar 06 & 09, June 06, June 10, Oct 10)

2. What is an electric dipole? Derive an expression for electric

potential due at a point to an electric dipole discus the special cases. Page No.14-15 (Oct 06, Mar & June 08, repeated)

3. Deduce an expression for equivalent capacitance of capacitors

connected Page No.27-28 (i) parallel (ii) series. (June, Oct 07)

4. Principle, construction and working of Van de Graaff generator. Page No. 30-31(Oct 08 & 09)

5. Derive an expression for electric field due to an electric dipole at a

point along the equatorial line. Page No.9-10 (Mar 07, June 09)

6. Explain the principle of a capacitor. Deduce an expression for the

capacitance of a parallel plate capacitor. What is capacitor? Page

No.22-26 7. State Gauss‘s law. Applying this calculate electric field due to (i)

an infinitely long straight charged with uniform charge density (ii)

an infinitely plane sheet of charge of q. Page No.17-19.

8. What is dielectric? Explain the effect of introducing a dielectric slab between the plates of a parallel plate capacitor. Page No.24-

26 9. Define the electric potential at a point. Is it a scalar or vector

quantity? Obtain an expression for electric potential due to a

point charge. Page No.12-13

To write 64

Note: Normally two marks combined as 10 marks from this chapter.

1. Discuss the motion of a charged particle in a uniform magnetic

field. Define magnetic Lorentz force.(June 10) Page No.95-97

2. Explain the principle, construction and working and limitations of

a cyclotron. Page No.97-99 (Mar 07, Oct 10)

3. Obtain an expression for the torque experienced by a current loop

in a uniform Magnetic field. Page No.14-15

4. Obtain expression for a magnetic induction due at a point to

infinitely long straight conductor carrying current. Write

expression for the magnetic induction when the conductor is

place in a medium of permeability. Page No.88-89 (June 06, Oct 09,

Mar 10)

5. Apply Biot – Savart law, obtain an expression for the magnetic

induction at a point due to infinitely long straight conductor

carrying current. Page No.87-89 (Mar 06, Oct 09, repeated)

6. Define ampere‘s circuit law. Applying it find the magnetic

induction at a point due to solenoid carrying current. Page No.92-

95 (Oct 06, June 09)

7. State Joule‘s law. Explain Joule‘s calorimeter experiment to verity

Joule‘s law of heating. Page No.79-81 (June 07)

8. Deduce the relation for the magnetic induction, at a point along

the axis of a current coil carrying current. Page No.89-90 (Oct 07,

Mar 08)

9. Explain in detail the principle, construction and theory of a

tangent galvanometer. Page No.91-92 (June 08)

40

10. Deduce expression for the force on a current carrying conductor

placed in a magnetic field. (Oct 08) Find the magnitude of the

force. (Mar 09) Page No.99-100

11. Explain the principle, construction, theory of moving coil

galvanometer. Page No.103-105

12. Deduce an expression for the magnetic dipole of moment of a

revolving electron. Page No.110-111

To write 65

Note: Normally Questions will be twisted type. So prepare well. Chances

for book-back. Refer Page No.158-159

1. Principle, construction, theory of a transformer. Define its

efficiency mention the energy losses and working of transformer.

Page No.137-138 (Mar 06)

2. Describe principle, construction, and working of a single phase

A.C generator. Page No.133-134 (Mar 07 & 08, June 07, Oct 08, 07)

3. Discuss theory of inducing e.m.f in a coil by changing its

orientation with respect to the direction of the magnetic field. Page

No. 132-133(June 08, Oct 09)

4. Obtain the phase relation between voltage and current in an A.C

circuit containing a pure inductance. Draw the necessary graph.

Page No.143-144 (Oct 08)

5. What are eddy current? Explain their applications. How are they

minimized? Page No.136-137 (Mar 09)

6. Describe principle, construction, and working of a choke coil.

Page No.150-151

7. Explain A.C current containing resistor, inductor and capacitor in

series. Page No.146-147

8. In an ac circuit containing a capacitor, the instantaneous emf is

e=Eosinωt. Obtain the expression for instantaneous current. Explain the

phase relation between emf and current by graph. (Oct 06) Page No.144

9. State Lenz‘s law and illustrate through an experiment. Explain how is it

in accordance with the law of conservation of energy? Page No.124-125

10. Explain the mutual induction between two long solenoids. Obtain an

expression for the mutual inductance. Page No.128-129

11. Obtain an expression for the current flowing in a circuit containing

resistance only to which alternating emf is applied. Find the phase

relationship between voltage and current. Page No.142-143

12. Obtain an expression for the current flowing in a circuit containing

resistance only to which alternating emf is applied. Find the phase

relationship between current and voltage. Page No.144-145

13. Describe the principle, construction and working of three phase a.c

generator. Page No.135-136

14. A source of alternating emf is connected to a series combination

of a resistor R, L, C. Refer the page 159 (4.53) Page No.146-147

(June 06, 09)

To write 66

Note: Normally question from book back chance. Two 5 marks

questions combine as 10 mark (chance)

1. Explain Raman scattering of light with the help of energy level

41

diagram. Page No.173-175 (Mar 07, Oct 07)

2. Discuss an experiment to demonstrate the transverse nature of

light. Page No.194-195

3. Obtain an expression for the radius of the nth dark ring in

Newton‘s rings. Give its applications. Page No.189

4. Explain Polarisation by reflection. Derive Brewster‘s law and

describe the working of pile of plates. Page No.197-198

5. Write a note on (i) Nicol Prism (ii) Polaroid. Page No.199-200

6. On the basis of wave theory, explain total internal reflection.

Write the conditions for the total internal reflection to take place.

Page No. 179-180 (Mar 06, June 06, 10, Oct 10, Mar 10)

7. What is known as interference? Derive an expression for band

with of interference fringes in Young‘s double slit experiment.

Page No.181-183 (Oct 06, June 07, Mar 09)

8. Explain emission and absorption spectra.PageNo.168-169(June 09)

9. State Huygens‘s principle on the basis of wave theory. Prove the

laws of reflection. Page No.176-177 (Oct 08)

10. Explain theory of interference in thin transparent film due to

reflected light and obtain the condition for the intensity to be

maximum and minimum. Page No.181 (June 08, Oct 09)

11. What are called Newton‘s rings? Explain the experiment and

theory of forming the Newton‘s ring. Page No.182

12. Discuss the theory of transmission grating. Page No.191-192

13. Explain the refraction of a plane wave front at a plane surface

and state laws of refraction. Page No.178-179

14. What is meant by optical rotation? On what factors does it

depend? Page No.201-202

15. What is Raman Effect? Explain Raman Spectrum with diagram (Mar 08)

Page No.173-175

16. Explain reflection and refraction on the basis of wave theory of light.

Page No.177-178

To write 67

Note: Normally Questions will be twisted way. So prepare well.

1. State Bohr‘s postulates. Obtain an expression for the radius of nth

orbit of hydrogen atom. Page No.12-13 (Mar 06, June 09)

2. Draw a neat diagram of the He-Ne laser and explain its working

with the help of energy level diagram. Page No.38-39(June 06)

3. Draw a neat sketch of ruby laser. Explain its working with the

help of energy level diagram. Page No.36-37(Oct 06 & 07, Mar 09)

4. How will you determine the wavelength of x-rays using Bragg‘s

spectrometer. Write any five properties of x-rays. Page No.27-

30(Mar 07)

5. Derive Bragg‘s law. Explain how a Bragg‘s spectrometer can be

used to determine the wavelength of x-rays. Page No.29-30 (June

07)

6. Obtain the expression for the radius of nth orbit of an electron

based on Bohr‘s theory. Page No.13-14 (Mar 08)

7. Describe the J.J Thomson method for determine the specific

charge of an electron. Page No.3-4 (Oct 09, 10, Mar 10, June 10)

8. Explain the method of calculating ratio of semi major and semi

minor axes of elliptical orbit of Sommer field atom model. Page

No.21-24

9. Explain the production of X-rays using Coolidge tube. Page No.25-

26

42

10. Give an account for principle of laser, laser action and

characteristic laser. Page No.34-35

11. Millikan‘s oil drop experiment to determine the charge of an

electron. Page No.5-7 (June 08, Oct 08)

12. Refer book back questions: (Vol-2) page no 48, 49.

6-21, 6-24, 6-25.

13. Find an expression for the total energy of an electron.

To write 68

Note: Normally book back question Chance. Refer Page No.118-119

1. Explain the stellar energy with proton-proton cycle and carbon-

nitrogen cycle? Page No.104

2. What is the nuclear reactor? Explain the function of (i)

moderator (ii) control rods (iii) neutron reflector. Mention the uses

of nuclear reactor. (diagram not necessary) Page No.98-101 (Mar

06)

3. Describe the principle and action of a Bainbridge Mass

spectrometer in determining the isotopic masses. Page

No.80-81 (June 06, 07 & 08, Oct 06, Mar 09)

4. Explain the construction and working of a GM counter.

Page No.94 (Mar 07, Oct 07, June 09)

5. What are cosmic rays? Explain the latitude effect and Altitude

effect, regarding cosmic rays. Page No.13-106 (Mar 08)

6. Obtain an expression for the amount of the radioactive substance

present at any moment. Obtain the relation between half life

period and decay constant. (Oct-08). Write the radioactive law of

disintegration. (Oct 09) Page No.86-87

7. Compare the properties of alpha, beta and gamma rays. Page

No.84-87

8. Draw a neat sketch; explain the working of a nuclear reactor.

Page No.9-101

9. Describe the cosmic rays showers. Explain quark model of

elementary particles. Page No.106-108

10. What are the nuclear forces? Give important properties of nuclear

forces. Page No.82

11. Explain mass defect. Draw the graph of binding energy. What are

the inferences from the graph? Page No.79-80

12. Describe the properties of cosmic rays. Page No.105

13. Derive the relation N=Noe-λt. Derive an expression for Half-life. Page

No.86-87

To write 69

Note: Normally book back question chance. Refer Page No.117-178.

1. With the circuit diagram, explain the working of a Bridge rectifier.

Draw its input and output signals. Page No.133-134 (June 07)

2. Explain with neat circuit diagram, the working of single stage CE

amplifier Page No.146-147 (June 08, Oct 08, repeated)

3. What is the rectification? Explain the working of Bridge rectifier

with necessary wave forms. Page No.132-133 (Mar 06)

4. Sketch the circuit of a Colpitts oscillator and explain its working.

43

Page No.153 (June 06, Oct 06, Mar 08, June 09)

5. With a circuit diagram, explain the working of an operational

amplifier as a summing amplifier. Page No.167 (Mar 07)

6. Explain the action of an operational amplifier as difference

amplifier. Page No.168 (Oct 07)

7. What meant by feed back? Derive an expression for voltage gain

of an amplifier with negative feedback. Page No.148 (Mar 09.

repeated)

8. What is operational amplifier? Explain its action as (i) inverting

amplifier (ii) non inverting amplifier. (Oct 09. repeated) Page No.164-

167

9. Describe the energy band structure of insulator, semi conductor

and conductor. Page No.123-124

10. Describe the construction of cathode ray oscilloscope (CRO)

working; describe various compounds with neat diagram and how

it used to determine frequency and voltage. Page No.169-170

11. What is called amplifier? With a circuit explain the working of

transistor as amplifier. Page No.143-144

12. With the help of neat circuit diagram, explain the output

characteristic of an NPN transistor in CE mode and methods of

finding the parameters of the transistor. Page No.140-142

13. Describe the working of a transistor amplifier with graph. Page

No.143-144

14. Draw the logic diagram and write the truth table for the following

logic gates. (i) OR gate (ii) AND gate (iii) NOR gate (iv) EXOR gate (v)

NAND gate. Page No.156-160

15. What is an IC? Explain the classification of IC by its construction.

Page No.154

16. Explain the working of half wave diode rectifier. Page No.132

17. Describe the construction and working of a multimeter with a neat

diagram. Explain how is it used as a voltmeter and ohm-meter. Page

No.170-171

To write 70 Total questions: 15

Note: Normally Book back question chance more. Book-back may also be asked in a twisted manner.

1. Make the analysis of amplitude modulated wave. Plot the

frequency spectrum and band width. Page No. 187-188(June & Oct

06, Mar 08 & 09, Oct 10, June 10)

2. With the help of a functional block diagram. Explain the

operation of a super heterodyne AM receiver. Page No.194-

195(June 07)

3. Explain the construction and working of Monochromic picture

tube Page No.201-203

4. Write a note on fiber optic communication. Mention its

advantages. Page No.211-212

5. Write a note on satellite communication. Give its merits and demerits. Page No.212-214

6. With the help of a functional block diagram, explain the function

of a monochrome TV receiver. Page No.204-205 (Mar 06,Mar 07,

repeated)

7. With the help of block diagram, explain the function of various

units in the monochrome television transmitter. Page No.203-204

(June 08, Oct 08 & 09)

8. Explain the construction and working of a vidicon camera tube

with neat diagram. Page No.197-198 (June 07)

44

9. With the help of block diagram, explain the transmission and

reception of radar signals. Page No.206 (repeated)

10. Describe scanning and synchronizing in television.

11. What are different types of wire and cable used for

telecommunication system? Page No.209-211

12. With the help of block diagram, explain the function of AM

transmitter. Page No.192-193

13. Explain frequency modulation. Page No.189-190 14. Write about radar. (Principle, Working and applications. Page No.206-

208 15. Explain analog and digital communication. Page No.208-209 16. Explain the working of a FM transmitter using block diagram. Page

No.193 17. Explain the method of black and white TC telecast with the help of a

block diagram.

(For Practice)

Part – I

Note:

(i) Answer all the questions

(ii) Choose and write the correct answer

(iii) Each question carried one mark

1. Electric potential energy (u) of two point charges is

a) b) c) PE cosθ d) PE sinθ

2. A hollow metal ball carrying an electric charge produces no

electric fields at points

a) Outside the Sphere b) On its surface

c) Inside the Sphere d) At a distance more than twice.

3. The unit of electric field is

a) Volt/metre b)Volt x metre c) Volt/metre2 d) Coulomb/metre2

4. Which of the following quantities is scalar?

a) Displacement b) Electric force

c) Electric Field d) Electric potential

5. Ohm’s law is true for

a) Conductors only b) Semi conductors c)Both d)Neither a or b

45

6. The current produced due to orbital motion of electron is

a) b) c) d)

7. The number of turns of a coil of radius 20cm required to

produces a magnetic field of 5π x 10-4T.

a) 50 b) 25 c) 500 d) 100

8. In a three phase AC generator, the three coils are inclined at

angle of

a) 45 b) 90 c) 120 d) 90

9. Flux loss can be minimized by using

a) Wires of low resistance b) Using laminated core made of

mumetal c) shell type of core d) laminated core made of alloy.

10.How much current is drawn by the primary coil of a transformer

connected to a 220V supply, when it delivers power to an 110V

and 550w refrigerator?

a) 55A b) 2.5A c) 0.4A d) 44A

11. Which of the following devices doesn’t allow D.C current to pass

through?

a) Resistor b) capacitor c) inductor d) all of the above

12.Cores of chokes used in low frequency AC circuit is made of

a) Stelloy b) Mumetal c) Iron d) Aluminium

13.Instrument used to determine the optical rotation produced by

the substance is

a) Interferometer b) Photometer c) Polaris cope d) Polari meter

14. If the velocity of light in a medium is 2.25 x 108m/s, then the

refractive index of the medium will be

a) 1.5 b) 0.5 c) 1.33 d) 1.73

46

15.In a Newton’s ring experiment, the ratio of the radii of 4 th and 9th

ring is

a) 4:9 b) 2:3 c) 16:81 d) √2: √3

16.When an electron jumps from M-shell to Vacant K-shell, it

contributes

a) Kβ-line b)Kα-line c) Lα-line d) Lβ-line

17.The size of an atom from Rutherford experiment is

a) 10-10m b) 10-16m c) 10-14m d) 10-12m

18.The charge of an oil drop is 12.82 x 10-19C, then the number of

elementary charges are

a) 6 b) 2 c) 7 d) 8

19.In Hydrogen atom, which of the following transition produces

spectral line of maximum wavelength?

a) 2→1 b) 6→5 c) 4→1 d) 5→2

20. The wavelength of photon having an energy of 413eV is

a) 1018Hz b) 1017Hz c) 1017Hz d) 1015Hz

21.Number of neutrons in 17Cl35 atom is?

a) 17 b) 18 c) 35 d) 19

22. The nucleons in a nucleus are attracted by

a) Magnetic Force b)Nuclear Force

c) Gravitational Force d) Electrostatic Force.

23. The wavelength of matter waves is independent of

a) Mass b) Velocity c) Momentum d) Charge

24. Nuclear fission can be explained by

a) Shell model b) Liquid drop model

c) Quark model d) Bohr-atom model

47

25. Electrons in the atom of an element which determines its

chemical and electrical properties are called

a) Valence Electron b) Revolving electron

c) Excess electron d) Active electron

26. The gain of the amplifier is constant at _______ range

a) Low frequency b) mid-frequency

c) High frequency d) both low and high frequency

27. An oscillator is

a) An amplifier with positive feedback

b) Converter of a.c to d.c voltage

c) An amplifier with negative feedback

d) An amplifier without feedback

28. In a transistor with β=40, the base current is 25μA. Then the

collector current (Ic) is

a) 100μA b) 1000mA c) 1mA d) 0.1mA

29. The human voice (or) music contains waves with a frequency

range of

a) 3- 30 Hz b) 30- 300 Hz c) 3000- 30,000 Hz d) 300-3000 Hz

30. If 900 KHz station is turned, then the local oscillator will

have to produce a frequency of

a) 600 KH b) 455KH c) 10.7mHz d) 1355 Hz

Part - II

Note: Answer any fifteen questions.

31. What is a capacitor? Define its capacitance.

32. A sample of HCl gas is placed in an electric field of 2.5 x 104 NC-1.

The dipole moment of each HCl molecule is 3.4 x 10 -30 cm, find

the maximum torque that can act on a molecule.

33. Distinguish between electric power and electric energy.

34. Why is copper wire not suitable for a potentiometer?

35. What is meant by transition temperature in super conductors?

36. Define: Ampere.

48

37. A capacitor blocks D.C but allows A.C why?

38. Write the equation of a 25 cycle current sine wave having rms

value 30A.

39. Write the conditions for sustained interference.

40. In a Young’s experiment, the width of the fringes obtained with

light of wavelength 600Ǻ is 2m.m. Calculate the fringe width if

the entire apparatus is immersed in a liquid of refractive index

1.33.

41. State: Moseley’s law.

42. What are hard and soft X-Rays?

43. At what speed is a particle moving if the mass is equal to three

times its rest mass?

44. What is meant by breeder reactor?

45. What is meant by binding energy of a nucleus?

46. What is Zener breakdown?

47. Differentiate between Linear ICs and Digital ICs.

48. Give the Barkhausen criteria for oscillation.

49. When the negative feedback is applied to an amplifier of gain 50,

the gain after feedback falls to 25. Calculate the feedback gain.

50. What is phase modulation?

Part - III

Note: (i) Answer the question no. 55 compulsorily.

(ii) Answer any six questions of the remaining 11 questions.

(iv) Draw diagrams wherever necessary.

51. Two charges +q and -3q are separated by a distance of 1m. At

what point on its axis is the potential zero?

52. Explain the principle of a potentiometer.

53. Explain the reactions at the electrodes of Lechlanche cell.

54. Deduce an expression for the force on a current carrying

conductor placed in a magnetic field.

55. A coils is connected across 250V, 50Hz power supply and it

draws a current of 2.5 A and consumes power of 400W. Find the

self-inductance and power factor

(or)

A coil of 100 turns and resistance 100Ω is connected in series

with a galvanometer of resistance 100 Ω and the coil is placed in a

magnetic field. If the magnetic flux linked with coil changes from

10-3 Wb to 2 x 10-4 Wb in a time of 0.1s, calculate the induced e.m.f

and current.

56. Explain Huygen’s principle.

57. Derive an expression for Rydberg’s constant.

58. Explain length contraction.

59. A carbon specimen found in a cave contained a fraction of 1/8 of

C14 to that present in a living system. Calculate the approximate

49

age of the specimen. Given T1/2 for 6C14 = 5560 years.

60. Explain the working of a half wave diode rectifier.

61. Describe the different types of wire and cable used in data

communication.

62. Explain Einstein’s theory of photoelectric effect.

Part – IV

Note: (i) Answer any four questions in detail.

(ii) Draw diagrams wherever necessary.

63. Explain the principle of a capacitor. Deduce an expression for the

capacitance of a parallel plate capacitor.

64. Describe the principle, construction and working of a cyclotron.

65. Obtain an expression for the current flowing in the circuit

containing capacitance only to which an alternating e.m.f is

applied. Find the phase relationship between current and

voltage.

66. Discuss the theory of interference in thin transparent film due to

reflected light and obtain the condition for the intensity to be

maximum and minimum.

67. Describe Millikan’s oil drop experiment to determine the charge

of an electron.

68. State radioactive law of disintegration. Obtain an expression to

deduce the amount of the radioactive substance present at any

moment.

69. Describe the energy band structure of insulator, semiconductor

and conductor.

70. With the help of a block diagram, explain Monochrome TV

Transmission.

50

Volume – I INORGANIC

S. No Chapters Max .Questions

1 Atomic structure II 2

2 Periodic classification II 1

3 P-block elements 1

4 D-block elements 2

5 F-block elements 2

6 Co-ordination Chemistry 1

7 Nuclear chemistry 1

8 Solid state II 1

9 Thermodynamics II 2

10 Chemical Equilibrium II 2

11 Chemical kinetics II 1

12 Surface Chemistry 3

13 Electro chemistry I 1

14 Electro chemistry II -

15 Isomerism -

16 Hydroxy derivatives 1

17 Ethers 2

18 Carbonyl compounds 1

19 Carboxylic acids 1

20 Organic Nitrogen Compounds 3

21 Biomolecules 2

22 Chemistry in action -

51

Total 30

Note: There are no one Mark Questions from Electro Chemistry II,

Isomerism and Chemistry in Action.

Chapter – I – ATOMIC STRUCTURE

Total of one mark questions from this chapter is – 2.

Note: Normally one question is from Book Back. (In all the previous March

papers (Mar06, 07, 08, 09&10) Book Back is only being asked.)

Book back questions are also asked in a twisted manner, options might be

interchanged, so be careful while answering.

Refer (Vol. - I) Page 29 & 30.

Q. No OPTIONS YEAR

1 B June 2008

2 C Oct-2007, 08, Mar 06, June-09, 10

3 D June-06 & Oct-2009

4 A Model Paper 2010

5 C Mar 2007

6 B Repeated in Model Papers

7 C Repeated in Model Papers.

8 D Oct 10

9 B Mar 2008,10

10 A July 2007, Mar-09, June 10.

Additional Questions: Total - 36

Hint: Prepare one marks from the following topics: Verification of Wave and Particle character, Significance of De-Broglie equation, De-Broglie waves, Negative Electronic Energy, Shapes of Orbital’s, Molecular Orbital Theory, Hybridization (Refer Pg. No.26-Examples), Hydrogen Bonding.

1. The wave associated with particles is called matter wave.

2. Concept used in the construction of electron microscope is De–

Broglie.

3. Molecular orbital with less energy is σ 1s.

4. Circumference of the circular orbit of an electron should be an

integral multiple of de Broglie wave length.(Oct-2006)

5. The number of nodal planes of 5s orbital is four.

6. Sicl4 is involved in Sp3 hybridisation.

7. Type of hybridisation in NH4+ ions is Sp3.

8. The type of bond present between HF(or) H2O molecule is

intermolecular hydrogen bonding.(Oct-2008)

9. Particle nature of electron can be proved by J. J. Thomson’s

e/m ratio experiment.

10. Uncertainty principle cannot be applied to Stationary Electron.

11. The Number of possible orientation of orbital when l=1 is three.

12. Bond order of Lithium molecule is one.

13. Stability of a molecule is directly proportional to bond order.

14. Sideway overlap of two dx2-y2 Orbitals produces delta bond.

15. The weakest bond is Hydrogen bond.

52

16. Momentum of particle which has de Broglie wavelength of 1A0 is

6.6 x 10 -24 kg ms -1. (Mar-2006)

17. Bond order of N2 molecule is 3. (June-2006)

18. Nature of hybridisation in IF7 molecules is Sp3 d3.(Oct-2006,10)

19. In a molecule 8 electron present in molecular orbital 4 in anti

bonding orbital bond order is 2. (Mar-2008)

20. Water exists in liquid state. This is due to hydrogen bond.(June08)

21. Energy level of molecular orbitals has been determined

experimentally by Spectroscopic studies. (Oct-2007)

22. Hybridization involved in XeF6 is Sp3d3. (June-2007)

23. Intermolecular hydrogen bonding is present in HF, H2O and

Ethanol.(March 2007)

24. Among the halogen acid the weakest acid is HF.(Model Paper –

2008)

25. The hybridisation in SO4 2- ion is Sp3. (Mar 09)

26. Number of spherical nodes in 2S orbital is 1. (June 09)

27. The hybridisation in Co3 2- ion is Sp2. (Oct 09)

28. The factor the decreases the boiling point of a compound is

Chelation.

29. The energy of electron in an atom is given by En = -

30. Wave character of photon can be explained by interference.

31. Particle character of photon can be explained by photo electric

effect.

32. Carbohydrates and proteins have Hydrogen Bonding.

33. Elliptical orbits wave introduced by Sommer field.

34. Hydrogen Bonding exists in Skin, Blood and bones.

35. For ‗s‘ Orbital, how many ‗m‘ values are possible? – One.

36. Energy of Hydrogen in the Second Orbit is – 328 KJ mol-1.

Chapter – 2 PERIODIC CLASSISICATION

Number of one mark questions from this chapter – 1. (Chances of Book Back). Note: Out of the previous 15 Board exam papers (Mar 06- Oct-10), only in March 2008, 1 mark Question was not given from the Book Back, all other 14 papers had only Book Mark questions, So prepare one marks from Book Back itself. Refer Page No. 46 – Vol. I for Book Back.

Q. No OPTIONS YEAR

1 C

2 B Oct 2006, June 2009

3 A June 2006 & June 08

4 A

5 A

6 D

7 B Mar 2009,June 2010

8 B Oct 2008 and Oct 2009

9 A Mar 2007, Model Paper - 2010

10 D

11 C Oct 2010

12 B Mar 2006

53

13 B

14 C Model Paper - 2009

15 C Oct 2007, June 2007, March 2010

Additional Questions: Total 12

Hint: Prepare one mark from Atomic radius, ionic radii, Ionization Energy, Electron

Affinity among elements, Electro Negativity and its applications.

1. As we move from left to right across a period, the atomic radius

Decreases.

2. As we move from left to right across a period, the ionization

energy and electron gain enthalpies Increases.

3. On Moving down the group, the ionization energy and electron

gain enthalpies Decreases. (Oct – 2008)

4. Metal having maximum electron affinity is Gold. (Mar – 2008)

5. Covalent radius values can be used to calculate Bond Length.

6. Unit for Electro negativity is no unit.

7. First Electron Affinity of the Non-metals is positive and second

Electron Affinity of the Non-metals is negative.

8. Formation of the Oxide (or) Sulphate ion has been found to be

Endothermic.

9. Metals have Low electron affinity.

10. Inter-ionic distance is measured by X-Ray Diffraction.

11. Electron Affinity of Zinc is -87 KJ mol-1.

12. Effective Nuclear charge of Na+ is 6.48.

Chapter – 3. p – BLOCK ELEMENTS

Number of 1 mark questions from this chapter is 1. Only 50% chances for Book

Back questions, so prepare one marks from inside the book, as it may come

from any topic.

Q. No OPTIONS YEAR

1 C

2 B

3 C Mar 2007, Mar 2009

4 A

5 B

6 C Oct 2008

7 A June 2009

8 B

9 A

10 C

11 D Oct 2007

12 C

13 D

14 A

15 A


Hint: Prepare one mark from Group 13- Elements, Electronic

Configuration, and Potash Alum. Group 14- Elements, Electronic

54

configurations, Silicones, Lead. Group 15- Elements, Electronic

Configurations. Compounds of phosphorus (structure,

hybridisation, odour, taste and uses.). Group 17- Electronic Configurations, Chemical properties, Anomalous Nature of Fluorine,

Uses of Fluorine, Structure of inter halogen compounds and

hybridisation. Group 18 - Structures of xenon compounds, uses of

noble gases etc.

1. The Metalloid among Pb, P, Ge, Sn is GE. (June 2006)

2. Which of the following does not belong to Group 14 - C, Si, Ga,

Pb, - Ga. (June 2007)

3. Tetra Ethyl Lead (Pb (C2H5)4) is used as an additive to petrol to

prevent knocking.

4. Potash alum is employed to arrest bleeding. (June-2008)

5. Electronic configuration of 14th group elements (or) carbon family

is ns2np2. (Mar-06)

6. He is used in the inflating aero plane tyres.

7. Souring agent in the preparation of soft drink is H3 PO4.

8. Compound with rotten fish odour is PH3.

9. H3PO3 has Garlic taste.

10. Oxygen-helium mixture is used in the treatment of Asthma.

(Model Paper 2008)

11. Mixture used by deep sea diver is He-O2.

12. Na F prevents dental cavities and Fermentation.

13. CaF2 used as flux in Metallurgy.

14. Shape of IF7 Pentagonal bi pyramidal.

15. Gas used in lamps of botanical gardens to stimulate the growth of

the plants is Neon.

16. Water repellent property is possessed by Silicone.

17. Radon element used in radiotherapy for treatment of cancer.

18. Toxic element of boron family is Thallium. (Oct 2006)

19. HF has property of etching on glass. (Mar 2008)

20. An element which belongs to group 14 is soft in nature does not

react with pure water, but dissolves in water containing dissolved

air. Then the element is Pb. (Oct-2009)

Chapters - 4 d – BLOCK ELEMENTS

Number of one Mark Questions from this chapter is 2. Normally one question from Book Back, even in all previous March question papers (Mar06-10) only Book Back were asked. Refer Page No. 104-106 in Vol. I. Book back questions are also asked in a twisted manner, options might be interchanged, so be careful while answering.

Q. No OPTIONS YEAR

1 D

2 B Oct 2010

3 B Model Paper 2009

4 A

5 B Oct 2008,July 2009,June 2010

6 C Mar 2008

7 C

8 A Oct 2009

9 D

10 D

11 C

12 B

55

13 D Mar 2006

14 D Mar 2009,Model Paper 2010

15 B

16 A

17 D

18 D June 2008

19 C

20 D

21 D

22 A Mar 2007,Jube 2010

23 B

24 B June 06, Model Paper 2008

25 A Mar 06, June 07

26 C June 06, Mar 10

Additional Questions: Total - 39

Hint: Prepare one mark questions from inside the book carefully, see topics like “Salient

Features of Oxidation State, Extraction , Properties and Uses of Cu, Cr, Zn, Ag, Au,

Properties and uses of CuSO4, AgNO3, ZnCO3, Purple of Cassius.

1. If the Magnetic moment value is 5.92 BM, The number of

unpaired electrons is 5.

2. The electrolyte used in chrome plating is Chromic acid and

sulphuric acid.

3. Philosopher‘s wool is ZnO.

4. Marking inks and hair dyes can be prepared from AgNO3 (Lunar

caustic).

5. Orange red vapour formed in chromyl chloride test is CrO2Cl2.

6. Purple of cassias is Au adsorbed in Sn (OH) 4.

7. Catalyst used in the manufacture of polythene is TiCl4 (Oct-08)

8. Bordeaux mixture is a mixture of Copper Sulphate and lime.

(Mar 2007)

9. 4d series ends with Cd (cadmium).

10. Number of unpaired electron in Fe+3 ion is 5.

11. Role of aluminum in aluminothermy process is reducing agent.

12. Silver coin contains Ag and Cu.

13. Aquaregia is 3 parts of conc.HCL +1 part of conc.HNO3.

14. Colour of cuprous iodide is white.

15. Compound used in ointment for Skin disease is ZnCo3 (Calamine).

16. Zinc metal is used in galvanizing iron sheets. (Oct-2006)

17. Silver amalgam is employed in dental filling. (Model Paper – 08)

18. Silver obtained from silver coins is purified by fusion with Borax.

19. The number of unpaired electrons in Ti3+ is 1. It magnetic

moment in BM is 1.732. (June-2008)

20. The colour of Purple of cassius is Purple. (Oct-2007)

21. Ferrochrome is an alloy of Fe, Cr. (Oct-2007)

22. K2Cr2O7 reacts with KI and dil. H2 SO4 and 1iberates I2. (July-07)

23. A metal which precipitates gold from its auro-cyanide complex is

Zinc (Mar-09)

24. The reagent which is added first in the separation of silver from

silver coin is conc. nitric acid. (July-2009)

25. The substance used in malting ruby red glass and high class

pottery is purple of cassius. (Oct -2009)

26. Ti 3+ ions have purple colour.

56

27. On adding an alkali to a solution of potassium dichromate it is

converted into potassium chromate.

28. The colour of copper ammonium sulphate is deep blue.

29. Spitting of silver can be prevented by coating the molten metal

with a layer of charcoal. (Mar 2010)

30. In chrome plating, the articles are first plated with nickel.

31. The general electronic configuration of d-Block elements is

(n-1) d1-10 ns1-2.

32. The most malleable and ductile metal is Gold.

33. Ferrochrome is used in the manufacture of chrome steel, burglar

proof safe.

34. Sodium Chromite can be converted into Cr2O3 to the treatment

with H2O.

35. In the first transition series, which one exhibits maximum no. of

oxidation states is Mn.

36. Sc3+ is colorless due to the absence of d-electrons.

37. Zn-Cu couple when treated with steam gives ZnO+H2.

38. Reason for complex formation in d-Block element is small size,

high positive charge density, presence of vacant d-Orbitals.

39. Chromo Nickel Steel is used for armour plates.

Chapter –5. f – BLOCK ELEMENTS

Number of one mark from this chapter is 2. (Normally one question from Book

Back has been asked in all previous March board question papers (Mar 06-10).

Refer text book Page No.113-114 in Vol. I.

Q. No OPTIONS YEAR

1 C

2 D

3 C

4 C June 2008

5 B

6 D March 2006

7 B Mar 2010. Model Paper 2010

8 C

9 B June 2007, Mar 2007 & Oct 2010

10 A June 08, Mar 2008, Oct 07, Oct 2009& Jun 2010

11 B Model paper – 2008

12 B June 06, Oct 07 & Oct 2010

13 D Oct 2008, March 2009

14 C Model paper 2009


Hint: Prepare one marks from the topics: Electronic Configuration, Oxidation state, Cause and consequences of Lanthanides and Actinide series, Monazite sand, similarities and difference between Lanthanides and Actinides. Uses of Lanthanides and Actinides.

1. The fuel in nuclear power plant is U-235.

2. Pyrophoric alloy is used in cigarette lighters. 3. Promethium element in lanthanides is radioactive.(Mar 07, June

07,2006 & Mar 2009)

4. Pu-238 is used as a power source in long mission space probes. (Mar 2006,2010 & Oct 2006)

5. The colour of UO2 2+ is yellow. 6. Among lanthanide elements, with the increase in atomic number

the tendency to act as reducing agent decreases. (Oct -2006)

57

7. Cause of actinide concentration is imperfect shielding of 5f

electron.

8. Common oxidation state of actinides is +4. (Mar - 2008)

9. Thoria (ThO2) is used in gas lamp materials. (Oct – 2008)

10. +6 is the oxidation state of U in UF6 (June 2009)

11. According to Fajan‘s rule decrease in size of Ln3+ ion Ln (OH)3

increases the covalent character. (Oct – 2009)

12. The colour of U4+ is green 13. The colour of U3+ is red

14. The isotope of which element is used in nuclear fission reaction?

Uranium. (June 2010)

15. Lutetium has no partly filled 4f subshell. 16. 30% Mish metals + Mg + 1%Zr are useful in making parts of jet

engines.

Chapter – 6 Co-Ordination Compounds Number of one mark questions from this chapter 1 (Normally less chances for

Book Back.) Book back questions are also asked in a twisted manner, options

might be interchanged, so be careful while answering.

Q. No OPTIONS YEAR

1 A

2 D

3 C

4 D Oct 2008,Mar 2007

5 C Oct 2010

6 C

7 A

8 B Oct 2009

9 C June 2006

10 A Mar 2008,Mar 2010, Model Paper 2010

11 B Jun 2007, Oct 2007

12 B June 2009

13 A

14 D

15 A

16 C Model Paper 2008

17 D

18 B


Hint: Prepare one marks from the topics: Types of Ligands, IUPAC rules, mentioning the name of a complex, IUPAC Name, Oxidation state, electronic configuration, coordination number, structure. Central metal ion for that complex. Types of Isomerism, VB Theory, Uses of Coordination compounds, Bio-coordination compounds.

1. The colour of the pigment copper pthalocyanine is blue.

2. Iron porphyrin complex acts as an oxygen carrier.

3. Anti tumor drug is Cis-pt (NH3)2 Cl2

4. Cis trans isomerism is possible in square planar complexes

5. EDTA is example for masking agent in complex metric titration.

6. The complex used for electron transfer is ferredoxin

7. Transport and storage of oxygen is the function of Hemoglobin

8. [Cu (NH3)4] Cl2 is cationic complex (Oct 2006, Mar 2009)

9. The type of isomerism found in the complexes [Pt(NH3)4] (CuCl4)

and [Cu(NH3)4 (PtCl4) is Co-ordination isomerism (Mar 2006)

58

10. Co-ordination number of CrIII in [Cr (H20)4 Cl2]Cl2.2H2O is 6. (June 2008)

11. The ligand No3- is named as nitrato.

12. An example of a bidentate ligand is en. (June 2010)

13. The magnetic moment of a complex is 3.87BM. Then the number

of unpaired electrons present is 3.

14. The maximum number of Cis-position in a octahedral complex is

12.

Chapter –7. Nuclear chemistry Number of one marks from this chapter is 1. (Less chances for book back).

Normally problems based questions has more chances to come, so see text book

example problems for one marks. Q.No: 1,2,3,5,9,10 (Page No: 144-147 in Vol.I)

Q. No OPTIONS YEAR

1 C

2 C Oct 2009

3 D

4 A Oct 2007, June 2006, Mar 2009,Oct 2010

5 D June 2008

6 C Mar 2007, June 2010, Model paper 2010.

7 A

8 A

9 C Oct 2006, June 2009

10 D Model Paper 2009


Hint: Prepare one mark based on average life, Radioactive decay series, radiocarbon dating, uses of radioactive isotopes; complete the following nuclear reactions in Q. No: 20, 29, 33, 34 (refer text book page 149 and 150 in Vol.I).

1. Uranium belongs to the series 4n+2.

2. Hydrogen bomb is based on nuclear fusion. 3. Age of animal fossils can be determined using 6C14.

4. After 24 hrs, 0.125g of the initial quantity at 1g of a radio active

isotope is left out. The half life period is 8 hrs. (Mar-2006)

5. P-32 used for detection of eye tumours.

6. Au- 198 used as curing cancer. 7. Fe- 59 used diagnosis of anaemia.

8. Atom bomb is based on nuclear fission.

9. Co-60 is used to the treatment of cancer. 10. Level of liquids in tanks can be known using Sr -90.

11. Principle used in nuclear reactor is nuclear fission. (Model Paper –

2008)

12. In nuclear reaction atomic number and mass number is balanced

on both sides. (Mar-2008)

13. When N-15 is bombarded with a proton it gives 6C12 and -

particle. (June07)

14. Half-Life period of a radioactive element is 1050 years. The value

of disintegration constant in terms of seconds is 0.1465x10-10

sec-1. (Oct 2008)

15. Half-Life period of a radioactive element is 100 seconds; its

average life period is 144 seconds. (Mar 2010.

16. Half-Life period of U238 is 140 days; its average life is 202.02

days.

17. The average life of a particular decay is 144 hours, then its half-

life period is 100 hours.

59

Chapter -8. SOLID STATE

Number of one mark from this chapter is 1 (Out of the previous 15 Board exam papers, Only in Mar 2007, 10 and June 2009 one mark questions were not given from book back self evaluation)

Q. No OPTIONS YEAR

1 C

2 D

3 B Model Paper - 2008

4 C

5 D Oct 2006

6 B

7 B June 2006, Model Paper - 209

8 D June 2008

9 D Mar 2009

10 C

11 C Mar 2006, July 2007,Oct 2010

12 C

13 B Oct 2007, Oct 2009, June 2010

14 A

15 D

16 D Mar 2008, 0ct 2008


Hint: Prepare one mark from the topics: Types of cubic system, Laue experiment, Bragg’s equation & Spectrometer, Types of crystals & Point defect. Glasses problem based questions are also possible. Refer Vol.I Page no.: 163, solved problems 3&4 (Repeated in model papers)

1. An ion leaves its regular site and occupies a position in the space

between the lattice sites. This defect is called Frenkel defect. (Mar -2007)

2. Crystal used in Laue experiment is ZnS.

3. Diamond is an example for covalent crystal.

4. Vanderwaals forces are present in molecular crystals.

5. Lattice vacancies are called as unoccupied points in a crystal.

6. Imperfection due to unoccupied lattice points in crystal is called

Schottky defect.

7. FeO and FeS show metal deficiency defect.

8. Pure Si and Ge is insulator at room temperature.

9. Glasses are considered as amorphous solids, super cooled

liquid (or) pseudo solids

10. Most common point defects are Schottky defect and Frenkel

defect.

11. Example for molecular crystal (or) dipole-dipole forces occur in

water (ice).

12. NaCl heated in sodium vapour acquires yellow colour due to

metal excess defect.

13. The size of the anion in Frenkel‘s defect crystal is larger than the

Cation. (June-2009)

14. Total number of atoms per unit cell of Edge centered is 4.

15. Number of ruling required for X-rays diffraction experiment is 40

million ruling per cm.

16. The 8:8 type of packing is present in CsCℓ. (Model Paper 2010)

17. The co-ordination number of ZnS is 4. (March 2010)

18. An example for Frenkel defect, Other than AgBr is AgCl.

60

Chapter – 9. THERMO DYNAMICS

Number of one mark from this chapter is 2. In all March question papers (March 06 to March 10 one question was from book back only). Refer page no. 179, 180 in Vol. I

Q. No OPTIONS YEAR

1 B March2007,June2006,Model paper 2008

2 D March2009,Oct 2010

3 B

4 A Mar 2007, June 2007 & June 2009

5 A June-06, Oct-07, Mar-08, Oct-08

6 A March2006,Mar 2010, Model Paper 2009

7 C Oct 2009

8 B Oct 2006, June 2008 & June 2009

9 D Oct 2006 & Oct 2007


Hint: Problems based questions has more chances to come, so see text book example problems for one mark. Example 1 (Vol.I - Pg. No.170), Example 2 (Repeated), 3 (Repeated), 4, 7(Vol.I - Pg. No.: 172-174). Example 10, 11(Repeated) (Vol.I - Pg. No.:178). Exercise problems: Vol.I - Pg. No.: 180,182 – Q.No. – 18, 19(Repeated), 20, 21, 25, 27, 28(Repeated), 30.

Prepare one marks from the topics: Efficiency, Entropy (Characteristics, Unit, And Standard Entropy), Gibbs free energy (Characteristics. Standard Free energy).

1. Entropy of vaporization of a liquid is equal to 21 Cal deg-1 mol-1.

2. Liquid helium does not obey Trouton‘s rule because its boiling

point is little above zero Kelvin

3. High ΔH vap. of water is due to H-bonding

4. SI unit of entropy is JK-1 mol-1

5. Enthalpy of Vap. of water is 40.85 Jk mol-1. Change in entropy of

the process is 109.5 J mol-1 K-1

6. Change of increase in entropy for the process H2O (ℓ) → H2O (vap.)

involving ΔH vap. = 40850 J mol-1 at 373 k is 109.52 J mol-1 K-1.

(Mar-06, Oct -08,10)

7. Entropy (S) and entropy change (Δs) of a process are state

function. (Mar-2008)

8. The entropy change involved in the process of H2O (s) → H2O (ℓ) at

0°C and 1 atom pressure involving ΔH fusion = 6008J mol-1 is

22.007J mol k-1. (June-2007)

9. Water → steam. In this process the entropy is H2O (ℓ) → H2O (g)

increases. (June-2008)

10. The percentage efficiency of a heat engine that operates between

127˚C and 270˚C is 25%. (Mar-2009)

11. The network obtained from a system is given by w-p∆v (Oct-2009)

12. When a solid melts Entropy increases.(Model Paper 2008)

13. By the second law of Thermodynamics the percentage efficiency of

a machine (or) heat engine is always < 100 (or) less than 100.

14. S universe = S system + S surroundings.

15. ∆H, the heat of combustion of a compound is negative.

16. Thermodynamic condition for irreversible spontaneous process at

constant T and P is ∆G<0. (March 2010)

61

17. ∆S is a State function.(June 2010)

18. Standard free energies of formation of elements are taken as zero.

(June 2010)

19. s=q is valid only for reversible process.

20. ―Natural process‖ is called as spontaneous process.

Chapter- 10. CHEMICAL EQUILIBRIUM

Number of one mark from this chapter is 2. In all the previous March question papers (March 06 to March 10), one question was only from book back.

Refer Page no.: 193-104 in Vol.I.

Q. No OPTIONS YEAR

1 A March 2008, June 2008, June 2010

2 B Oct 2006, 10, Mar 09

3 C Mar 07, Oct 08, June 09

4 D Mar 10, Oct 09

5 B Mar 2006, June 2006 & Mar 2009

6 A Repeated in model papers

7 A June 2007, Model Paper 2009.

Additional Questions: Total 17 Hint: Problem also possible, Refer Vol.I example problems in page no. 188(HI), 190(PCl5) (Repeated in Model Papers). Prepare one mark questions from the topics:

Relationship between Kp and Kc, formation of HI and Dissociation on PCL5, Haber’s and contact process. Pressure, optimum temperature, yield based questions

1. When Δng in a homogenous gaseous equilibrium is positive then

Kp > Kc. (Oct 2006,10, June 2010)

2. Optimum temp. range maintained in contact process is 400°C to

450°C. (Oct 2008)

3. For equilibrium 2H2O (g) + 2Cl2 (g) 4HCl (g) +5 O2 (g). the value

of KP and KC are related as Kp > Kc. (Mar 2006)

4. In equilibrium constant for the formation of a product is 25. The

equilibrium constant for decomposition of the same product

1/25. (June 2006)

5. In formation of HI. KC value is 16. KP value is also 16. (June 2008)

6. Maximum yield of ammonia by Haber‘s process is 37%. (June 07)

7. In a reaction 2O3 3O2 KC value is [O2]3 / [O3]2. (Oct 2007)

8. Synthesis of NH3 between N2 and H2 reaction KP unit is atm-2

(Oct 2007)

9. The rate constant of the forward and reverse reaction are 8 x 10-5

and 2 x 10-4 respectively. The value of KC is 0.4. (Oct 2009)

10. The degree of dissociation of PCL5 at 1 atm and 298 k is 0.2. The

value of KP is 0.042 atm.

11. The initial concentration of H2, I2, and HI are 0.1, 0.1, and 0.02

moles respectively. The value of Q is 0.04

12. The molar concentration of a gas at 300k is I mol dm-3 then its

partial pressure is 24.63 atm.

13. In Haber‘s process, ∆ng value is negative. (Mar 2008)

14. In Haber‘s process the yield of ammonia is greater at high

pressure. (June 2009).

15. Kc for the reaction 2A↔B is 25 mol-1 dm3 at 900K. What is the

equilibrium constant for the reaction B↔2A in dm-3 mol at the

same temperature? 0.04.(Mar 2010)

16. When 4 is greater than Kc, the reaction will be forward reaction.

(Model paper – 2008)

17. What is the pressure involved in the synthesis of ammonia by

Haber‘s process? 300-500 atm. Pressure (Model Paper 2010)

62

Chapter-11. CHEMICAL KINETICS

Number of one mark from this chapter is 1. Less chances for book back questions.

Q. No OPTIONS YEAR 1 C June 2007,Mar 2010

2 B

3 D Mar 2009,June 2010

4 C

5 D

6 B Oct 2007, June 2009

7 B Oct 2009,Model paper 2008

8 C June 2006

9 B Oct 2010

10 C

11 A Mar 2006,Model paper 2009


Hint: Problem based one mark Questions has more chances. Problems based on

First order and Half life period. Refer Vol.II Example problem in page no.:

8,9,10 (Repeated questions). Prepare one marks from the topics: Rate, Order,

Characteristics of order of a reaction, characteristics of first order reactions,

Examples of first order reactions, Arrhenius equation, Activation energy, simple

and complex reaction and types of complex reactions.

1. Unit for activation energy is J mol-1.

2. The minimum amount of Energy needed to make all the collision

effective is Threshold energy.

3. First order rate constant of a reaction is 0.0693 min-1. Then the

time required for 50% completion of a reaction is 10 min. (Oct 06)

4. Decomposition of N2 O5 in CCl4 is an example for 1st order

reaction. (Oct 2008)

5. Half - life period of a first order reaction is 20 min. the time taken

for the completion of 99.9% of the reaction is 200 min. (Mar -08)

6. In 1st order reaction the concentration of the reactant is increased

by 2 times. The rate of the reaction is increased by 2 times.(June

2008)

7. 50% of 1st order reaction completed in 20 min. the time required

for 75% of completion is 40 min. (Mar 2007)

8. If the rate of the reaction is independent of initial concentration of

the reactant, then it is a zero order reaction.

9. All radio active transformations follows first order kinetics.

10. The rate constant for first order reaction is 200S-1. The half-life

period of the reaction is 3.47 x 10-3S.

11. The time required for 75% completion of first order reaction is

9.hrs. The half-life period of the reaction is 4.5 hrs.

12. The time required for 90% completion of first order reaction is

10.hrs. Then the time required for 99% completion of the reaction

is 20 hrs.

13. The half-life period of a first order reaction is 30 min. Then the

time required for 99% completion of the reaction is 3.33 hrs.

14. The half-life period of a first order reaction is 1 hrs. The time

required for 75% completion of the reaction is 2 hrs.

15. The conversion reaction of cyclopropane into propene is an

example of opposing reactions.

63

16. Simple reaction occurs in single step.

17. Higher the value of Ea, slower is the rate of reaction.

18. Half life period of a first order reaction is independent of the

initial concentration of the reactant and inversely proportional to

the rate constant of the reaction.

19. Decomposition of Sulphuryl Chloride in the gas phase proceeds

by first order kinetics.

20. Inversion of sucrose in acidic medium is an example for first

order reaction.

Chapter–12. SURFACE CHEMISTRY

Number of one mark from this chapter is 3. In all the previous March question papers (March 06 to March 10), one question was only from book back.

Refer Pg. No.:43-44 in Vol.II.

Q. No OPTIONS YEAR

1 D Oct 2010, Model Paper 2009

2 D June2008

3 B March2007 & Oct2008

4 C June 2006, Oct 2007, June 2009

5 B March2008,2010

6 A Oct 2006&2010, Mar 2007, Mar 2009

7 D June 2007, Oct 2006, June 2008

8 A

9 C

10 C

11 B Mar 2006,June 2010, Model paper 2009

12 C Mar 2007,2008&2010, Oct 2008& 2009


Hint: Prepare one marks from Adsorption, Difference between Physical and

chemical adsorption, Factors affecting adsorption, characteristics of catalytic

reactions, types of catalytic reactions, types of catalysts, theories of catalysis,

applications of catalysts, (Pg. No.:31), types of colloids (important) Refer Pg.

No.:32 table, preparation of colloids, purification of sols, properties of colloids,

application of colloids-1) Natural Applications, 2) Technical applications.

1. The Catalyst used for the decomposition of KCl03 MnO2.

2. Iron Catalyst used in Haber‘s process is poisoned by H2S. (Mar 06)

3. Promoter used for the Bosch‘s process is Cr2O3.

4. Bergius process is used for the Synthesis of petrol from coal.

5. Haze is an example of solid dispensed in gas.

6. An example of foams is froths of air.

7. Sky looks like blue due to scattering of light. (June 2010)

8. Gold chloride can converted into colloidal gold using tannic acid

and formaldehyde.

9. Sulphur in water is an example for Lyophobic colloid.(Model

Paper 2010)

10. Delta is formed because of coagulation of colloid.

11. Cottrell precipitator is used for the precipitation of dust in

smoke. 12. An example for (gel or liquid in solid) type of colloid is curd.

(June 2006 & Mar 2006)

13. Argyrols is used as eye lotion.

14. Emulsion can be diluted using dispersion medium.

64

15. Cork is an example for solid form.

16. Printing inks can be prepared by using colloidal mill.

17. Smoke is a colloidal solution of solid in gas. (Oct - 2006)

18. Catalytic activity of a powdered catalyst is high because it has

large number of active sties. (Model Paper – 2008)

19. An example of Lyophobic colloid is starch. (Oct - 2008)

20. Coconut charcoal has great capacity of the adsorption of gases.

(Oct -07)

21. Emulsifying is used for stabilization of an emulsion. (Oct -2007)

22. De composition of hydrogen peroxide is retarded in the presence

of glycerine. (June 2006, Oct -2009)

23. Sol comes under solid - liquid type of colloid. (June-2007,Oct

2010)

24. The Platinum catalyst used in the oxidation of SO2 by contact

process is poisoned by AS2O3. (June-2007)

25. The function FeCl3 in the conversion of Fe(OH)3 precipitate into a

colloid is peptising agent. (June-2008)

26. The emulsifying agent used in O/W emulsion is protein. (Oct -

2009)

27. Catalyst used in Deacon‘s method of manufacture of chlorine is

CuCl2. (June-2009)

28. Argyrols is a colloidal silver (or) silver sol. (June-2009)

29. The blue colour of the sky is due to Tyndall effect. (Mar-2009)

30. Fe(OH)3 colloidal particles absorb Fe3+ ions.

31. In Haber‘s process the promoter used is molybdenum.

32. Chemical adsorption is irreversible in nature

33. Solute or gas which is held in the surface of the solid is known as

adsorbate.

34. Excess of bleeding from a wound is stopped by forming a clot due

to the styptic action of Alum and FeCl3.

35. Arsenic Sulphide sol is prepared by Double Decomposition.

36. Ferric Oxide is used as a catalyst for both Bosch‘s and Bergin‘s

process

37. Milk of Magnesia colloid is used for stomach disorder (Mar-2010)

38. Colloidal antimony is used in caring Kala azar.

39. Gold sol and Silver sol is obtained by reduction method

40. Oxidation of Sodium Sulphite by air is retarded by alcohol.

41. Ag, Pt, and Au metal sols can be prepared by Bredig‘s Arc

method. 42. Reaction between Oxalic acid and Potassium Permanganate, in

the presence of dil.H2SO4 , MnSO4 acts as a auto catalyst (Mar-2010,June-2010)

Chapter– 13. ELECTRO CHEMISTRY

Number of one mark from this chapter is 1. Less chances for book back

questions.

Q. No OPTIONS YEAR

1 C

2 B

3 C Mar 2006, Oct 2007

4 C Mar 2009

5 B Repeated in Model Papers

65

6 B June 200, Repeated in Model Papers

7 B Oct 2006, Oct 2009, June 2009

8 B

9 B

10 A Mar 2010

11 D

12 A Oct 2008

13 B Mar 2008, Oct 2010

14 C June 2010

15 A

16 A

17 C Model Paper 2010

18 B June 2006


Hint: Problems are also possible, Refer example problems: 1(Page No.:55), 4(Pg. No.:56), Example 1 and 3 in Page No.:60, Example 4 (Page No.:62), Example 3 and 4 (Page No.:68), Example 1 & 2 in Page no.:72&73. Solved Problems 1, 2,3,6,7,8,10 in Page No.:80,83. (All the above mentioned problems are repeated questions in model papers.)

Also prepare on mark from the topics: Semiconductors, Evidence of Arrhenius Theory, Ostwald Dilution law, electrochemical equivalent, electrical conductance (Unit). Calculate pH based problems, Henderson equation and selection of pH.

1. The Colour of nickel salts is green.

2. pH of 0.05M KOH solution is 12 + log10 5.

3. pH of 0.1M H2SO4 is 0.6990.

4. Quantity of Electricity carried by one mole of electrons is 96495c.

5. The indicator used in the titration of NH4OH with HCl is methyl

orange. (Mar 2007)

6. If 0.2amp can deposit 0.1978g of cooper in 50min. How much of

cu will be deposited by 600 coulombs 0.1978g. (June 2007)

7. The PkW value at 298k is 14.

8. The colour of sodium chromate is yellow.

9. Unit of molar conductance is Ohm-1 m2 mol-1.

10. Benzene and Carbon Tetra Chloride is an example of insulator.

11. For 1:1 electrolyte like NaCl equivalent conductance is equal to

molar conductance.

12. Unit of self conductance is Ohm-1 m-1.

13. Quantity of electricity = n x F.

14. For strong electrolytes, Debye, Huckel-Onsager equation can be

applied.

15. Enthalpy of neutralization of strong acid by strong base is equal

to -57.32 KJ mol-1.

16. Charge of an electron is 1.602 x 10-19 coulomb.

17. Semiconductor which exhibits conductivity due to the flow of

excess of negative electrons is called as n-type semiconductors.

18. For the titration of HCl Vs Na2CO3, the suitable indicator in

Methyl orange

19. NH4OH obeys Ostwald dilution law.

20. pH of pure water at 25oC is 7.

21. Ph range of phenolphthalein is 8.3-10.

22. Unit of cell constant in m-1.

Note: There are no one mark questions from Chapter 14 and 15 according to Blue

Print.

66

Chapter-16. HYDROXY DERIVATIVES

Number of one mark from this chapter is 1. Chance for Book back questions. Refer Page No.: 167-169 in Vol.II.

Q. No OPTIONS YEAR 1 C

2 C

3 B Oct 2010

4 B

5 A

6 C

7 A

8 B June 2009

9 D Mar 2007, June 2007, Oct 2007,Mar 2010 10 C

11 D

12 C

13 B

14 A Model Paper- 2009 15 D Oct 2009

16 C Mar 2008 17 C

18 B June 2006 19 C Model Paper 2008

20 C

21 D

22 C

23 A Oct 2008,June 2010

24 B Mar 2009

25 B June 2008


Hint: Prepare one mark from Lucas test, oxidation, Chlorine water, Iodoform test, Victor Meyer’s test, Uses of ethanol, Propertius of glycerol (Dacron, Dioxan), Uses of glycol, Properties of glycerol (Dehydration, oxalic acid, oxidation), uses of glycerol and benzyl alcohol, classification of phenols, preparation of phenol, naming reactions, uses of phenol.

1. Lucas regent is a mixture of conc. HCl + anhydrous Zncl2

2. Ethylene glycol reacts with conc. HNO3 in the presence of conc.

H2SO4 to give ethylene dinitrate

3. Fenton‘s reagent is FeSO4 + H2 O2

4. Dynamite is prepared from glycerol

5. Common name for 4 Hydroxy toulene is P-cresol

6. High boiling point of phenol due to inter molecular hydrogen

bonding

7. Victor Meyer‘s test gives red colour with ethanol

8. Tertiary alcohol do not undergo reaction with chlorine water

because of absence of alpha-hydrogen

9. Oxidation of glycerol using bismuth nitrate gives meso oxalic

acid. (Mar 2006)

10. Orcinol is an example for dihydric phenol

11. Lederer manasse reaction phenol is converted into P-Hydroxy

Phenyl methanol.

12. Glycerose is a mixture of glyceraldehydes and di hydroxyl

acetone

13. Characteristic odour of lower phenols is carbolic acid (Oct 2006)

14. The reagent used for causing Decarboxylation is soda lime

15. Dacron is prepared by terephthalic acid + ethylene glycol

67

16. The product obtained when ethylene glycol reacts with conc.

H2SO4 is dioxane

17. When glycerol is heated with KHSO4 or P2O5 the product obtained

is acrolein 18. Benzyl alcohol is used as local anesthetic and antiseptic.

19. Benzyl acetate has the fragrance of Jasmine

20. Phenol gives violet colour with neutral FeCl3

21. Phenolphthalein is prepared from Phenol + Phthalic anhydride

22. Dow‘s process is used for the preparation of Phenol.

23. Glycerol reacts with oxalic acid at 533K to give Allyl Alcohol. 24. Propylene when treated with dil.H2SO4 gives Iso Proplyl Alcohol.

25. Na + C2H5OH is a reducing agent used in Bouveault Blanc

reduction.

26. Phenol with 5% water is known as carbolic acid.

27. Phenol is used as an antiseptic and germicide.

28. Cumene is 2-Phenyl Propane.

29. Iso Propyl alcohol gives blue colour in Victor Meyer test.

Chapter-17. ETHERS

Number of one mark from this chapter is 2. In all the previous March question papers (March 06 to March 10), one question was from book back. Book back questions are also asked in a twisted manner, options might be interchanged, so be careful while answering.

Refer Page No.: 192-193 in Vol.II. .)

Q. No OPTIONS YEAR

1 B

2 C Mar 2010

3 A March 2009

4 D Oct 2006, June-08

5 C Mar 06& 07, June 07, Oct 07& 10

6 B Model Paper - 2009

7 B Oct 2008, Oct 2009

8 D June 2009

9 A Mar 2008, June 06

10 B Mar 2008, June 2010


Hint: Prepare one mark questions from preparation, properties and uses if

diethyl ether. Anisole - properties & uses. Difference between anisole and

diethyl ether.

1. Metamerism is exhibited by ethers.

2. William son‘s synthesis involves healing alkyl halides with

Sodium alkoxide.

3. Ethers should never be evaporated to dryness because they form

explosive peroxides. (June 2010)

4. Ethers, when dissolved in conc.H2 So4 gives oxonium salts (or)

diethyl oxonium hydrogen sulphate.

5. Reagent used to distinguish anisole and phenol is Bromine

water.

6. Ether do not react with CH3COOH, NaOH, Na.

7. Diethyl ether is inflammable.

68

8. Compound mixed with ethanol to serve as substitute for petrol is

ethoxy ethane. (Mar 2006)

9. Isomerism exhibited by 1 propanol and methoxy ethane is

functional. (June 2006)

10. Number of ether isomers possible for C4 H10 o is 3. (June 2008)

11. Ether used in perfumery is methyl phenyl ether.

(June 2007 & Oct 2009)

12. CH3-O-C6H5 is example for unsymmetrical ether. (Oct 2007)

13. Diethyl ether react with excess of HI to from ethyl iodide +

water.

14. Anisole on bromination gives O- and P- bromo anisole. (Mar-09)

15. Diethyl ether react with PCl5 to from ethyl chloride + POCl3.

16. Diethyl ether cannot be prepared by reaction of halogenated

ether with strong Grignard reagent.

17. In the formation of oxonium salt when ethereal oxygen reacts

with strong mineral acid is called protonation. (June 2009)

18. IUPAC name of phenatole is Ethoxy Benzene. (Mar 10)

19. Higher ethers can be prepared from lower members by the action

of Grignard reagent. (Oct 10)

20. Anisole and Phenatole is an example for mixed ethers.

21. IUPAC name for methyl isopropyl ether is 2-methoxy propane.

22. Lower members of ethers are gases.

23. Ethers are lighter than water.

24. Functional Isomerism of Ethyl Methyl Ether is Propyl Alcohol.

25. Zeisel‘s method of detection and estimation of alkoxy group in

alkaloides involves the reaction of ether with HI. (Mar 07)

Chapter-18. CARBONYL COMPOUNDS

Number of one mark from this chapter is 1. In all the previous March question papers (March 06 to March 10), question was asked only from book back.

Refer page No.:232-234 in Vol.II.

Q. No OPTIONS YEAR

1 B

2 B Oct 2007, 2009, Mar 2007, June 2010

3 C

4 B

5 D June 2009

6 B Model Paper 2010

7 C

8 A

9 B Mar 2009, June 2008

10 B Oct 2006

11 D Mar 2008

12 C June 2007

13 D

14 C Mar 2006

15 B

69

16 C

17 B

18 A

19 B June 2006

20 C June 2008

21 A

22 D

23 A Mar 2010

24 C Oct 2010

25 B


Hint: Prepare one mark from these topics: Isomerism of Aldehydes, Ketones,

Dry distillation, Rosemund’s reduction, Stephen’s reaction, characteristics of

Aldol condensation, Grignard addition, Addition of ammonia, LiAlH4,

Clemmenson, Wolff-Krishner, Tollen’s and Felling’s, Polymerization, Uses of

Formaldehyde and acetaldehyde, Cannizaro reaction, Benzoin condensation,

Perkins, Knoevenagal, Malachite green, Uses of benzaldegyde and Acetone,

Mestiylene, Benzhydrol, uses of Acetophenone.

1. Chloral belongs to a group of Aldehyde.

2. – hydrogen undergo Cannizaro reaction.

3. Derivatives of ammonia acts as nucleophile.

4. Oil of bitter almonds is Benzaldehyde.

5. Formalin is 40% solution of HCHO in water.

6. Original pink colour of Schiff‘s reagent is made colour less using SO2

7. Fehling‘s solution is CUSO4 + sodium potassium tart rate.

8. Knoevenagal reaction leads to the formation of cinnamic acid.

9. Medicine for throat infection is tincture Benzoin.

10. Paraldehyde is used as hypnotic.

11. Benzaldehyde is used in the preparation of Malachite green.

12. Benzoin condensation is carried out in the presence of aqueous

alcoholic KCN.

13. The compound used as hypnotic under the name hypnone is

Acetophenone.

14. Acetone on treating with Lithium aluminum hydride gives iso

propyl alcohol.

15. The intermediate formed in the Wolff – Kishner reduction is

Hydrazones.

16. Stephen‘s reaction of methyl cyanide gives acetaldehyde.

17. Propanone is usually characterized by Iodoform test. (Oct -2008)

18. Compound which undergoes Iodoform test is e-pentanone. (June

09)

19. DiPhenyl Carbinol is known as Bezyhydrol.

70

20. Acetone is used in the manufacture of cordite.

Chapter-19. CARBOXYLIC ACID

Number of one mark from this chapter 1. . In all the previous March question papers (March 06 to March 10), question was asked only from book back. Book back questions are also asked in a twisted manner, options might be interchanged, so be careful while answering.

Refer Page No.: 271-272 in Vol.II.

Q. No OPTIONS YEAR

1 A Mar 2009

2 D

3 D

4 A Mar 2008

5 C June 2010, Model Paper 2009

6 C

7 D Oct 2006, Mar 2010

8 B Mar 2007, Oct 2008,09,10

9 C Oct 2007

10 B

11 C

12 C

13 A

14 D

15 D

16 B June 2007

17 C

18 A Mar 2006

19 D June 2006, Model paper 2010.

20 B June 2008, June 2009


Hint: Prepare one mark from the topics: Source of acids, Decarboxylation, HVZ,

Kolbe’s electrolysis, reducing property of Formic acid, Uses of Formic acid,

chemical properties and uses of lactic acid, Physical properties of oxalic acid,

uses of – 1.)Oxalic acid, 2.) Benzoic acid, 3.)Salicylic acid, 4.) Acetyl Chloride,

5.) Acetic anhydride and 6.) Acetamide.

1. Pyruvic acid is the oxidation product of lactic acid.

2. Urinary antiseptic is C6H5COOH.

3. Methyl salicylate is present in Oil of Winter green.

4. Aspirin is acetyl salicylic acid.

5. The source of butyric acid is butter

6. The source of HCOOH is red ant

7. Ethane can be prepared from sodium acetate by electrolysis

8. Brominating of salicylic acid gives white precipitate

9. Acetyl chloride fumes in moist air forming HCl

10. CH3COCl is used in the detection and estimation of alcoholic and

amino groups

11. CH3CONH2 is used as soldering flux.

12. HCOOH is used in the coagulation of rubber latex

13. When acetic acid is passed over heated P2O5 it forms acetic

anhydride

71

14. Benzoic acid is used to disinfect the bronchial tube.

15. HCOOH is used as stimulant for the growth of yeast and in the

treatment of gout.

16. Sodium benzoate an important food preservative.

17. Lactic acid is found in gastric juice, cucumber or opium.

18. In Glaciel acetic acid, percentage of acetic acid is 100%.

19. Salicylic acid is used as a medicine for Rheumatic pain.

20. An aqueous solution of Salicylic acid gives violet colour with neutral Ferric Chloride.

21. Oxalic acid is used for removing iron stains and ink stains.

22. Lactic acid is used in the treatment of digestive disorder in

children.

23. Acetamide exists as a dimer due to Hydrogen bonding.

24. In HVZ reaction, carboxylic acid is treated with Halogen and Phosphorous Tri-Halides.

25. Lactic acid on treatment with dil.H2SO4 gives HCOOH+CH3CHO.

26. Cyclic diester can be formed by Lactic acid.

Chapter-20. ORGANIC NITRO COMPOUNDS

Number of one mark from this chapter is 3. Normally one question is from book back. Book back questions are also asked with options being interchanged, so be careful while answering. Refer page No.: 310-312 in Vol.II.

Q. No OPTIONS YEAR

1 A

2 C Mar 2006, Oct 2010

3 A Mar 2008, June 2009

4 C

5 A Mar 2007

6 B June 2007

7 D June 2007, Oct 2009

8 D

9 B June 2006

10 C June 2010

11 C

12 C June 2007, Mar 2010

13 B Oct 2006 & 2007, Mar 2008

14 B June 2008, Oct 2008, June 2010

15 A Mar 2009

16 B

17 C June 2008, Oct 2008

18 D June-06, Oct 2009& 2010

19 D Mar 2007

20 C Mar 2009


Hint: Prepare one marks from the topics: Tautomerism, Nitro methane on

reaction (With Cl2, Aldehyde and Ketone, Reduction with Sn/HCl), Uses of

Nitro alkanes, Arrenium ion, physical properties of nitrobenzene, Chemical

72

properties of nitro benzene (Alkaline medium, Electrolytic reduction, nitration),

uses of Nitro benzene, Hoffmann’s bromide reaction, Gabriel’s pthalamide

synthesis, physical properties of Amine, chemical properties of Methyl amine

and Aniline, Chemical properties of benzene diazonium chloride.

1. Reaction of nitric methane with chlorine in presence of alkali

produces trichloro nitro methane (or) Chloro Picrin.

2. Electrolytic reduction of nitro benzene gives p-amino phenol.

3. 1, 3, 5 tri nitro benzene is an explosive.

4. Tertiary amine is less basic than secondary amine because of

Steric effect

5. Amine generally have fishy odour.

6. Alkyl cyanide on reduction with LiAIH4 / ether gives primary

amine.

7. Mustard oil reaction converts primary amine to Methyl isothio

cyanate.

8. Schotten – Baumann reaction is formation of benzanilide

9. Benzene diazonium chloride reacts with phenol to give p-Hydroxy

azobenzene.

10. Test for aniline is Bromination test.

11. Gomberg reaction is used to prepare Biphenyl.

12. Reduction of nitro benzene using Sn/HCl gives aniline.

13. Azoxy benzene is obtained by the reduction of nitro benzene using

glucose + NaOH.

14. Primary and secondary nitro compounds behave as an acid in

the presence of strong alkali (Mar -06)

15. Converting benzene diazonium chloride to chlorobenzene is called

Sandmeyer’s reaction. (Mar -06)

16. Nitrogen compound used in the preparation of sulpha drugs is

amino benzene. (Oct -06)

17. Compound that does not show tautomerism is nitrobenzene.

(June -06)

18. Nitro group can be reduced to primary amino group by Sm /

Conc. HCl. (Oct -06)

19. The tertiary nitro compound is 2-nitro –2 methyl propane

(June-09)

20. The intermediate formed in the nitration of Benzene is Arenium

ion. (June-09)

21. Methanamide will not undergo Hoffmann‘s bromamide

reaction.(Oct -08)

22. Oil of mirbane is nitrobenzene (June -08)

23. A use of chloropicrin - soil sterilizing agent. (Oct-7,Mar08,Jun10)

24. The reaction between benzene diazonium chloride and benzene in

the presence of NaOH is Homburg - Bachmann reaction.(Oct -07)

25. Nitro–acintro tautomerism is exhibited by nitro methane. (Mar-07)

73

26. Nitration of nitro benzene resorts in m- di nitro benzene.

27. (CH3)2-N-C2H5 is a tertiary amine. (Mar 2009)

28. Basic strength of amine is in the order of Secondary amine>

Primary amine> Ammonia. (Oct 2009)

29. C6H5N2Cl CuCl2/HCl-> X, the compound ―X‖ is C6H5Cl. (Mar 2010)

30. Aniline reacts with Benzoyl Chloride in the presence of sodium

hydroxide and gives Benzanilide. This reaction is known as

Schotten-Baumann reaction.

31. The product obtained when nitrobenzene is treated with

Zn/NaOH is hydrazobenzene. (Oct 2010)

32. Bromoethane reacts with silver nitrate to give C2H5ONO.

33. The product obtained by Carbyl Amine reaction is Isocyanide.

34. Benzene diazonium chloride reacts with Hypo Phosphorous acid in the

presence of cuprous salt, to give Benzene.

35. IUPAC name of CH3CN is Ethane Nitrile.

36. Aniline is used for the manufacture of anti-oxidant in rubber industry

and poly urethane plastic.

37. Gabriel Phthalamide synthesis is used in the preparation of primary

aliphatic amines.

Chapter- 21. BIOMOLECULES

Number of one mark from this chapter is 2. In all the previous March question papers (March 06 to March 10), one question was asked from book back. Book back questions are also asked in a twisted manner, options might be interchanged, so be careful while answering. Refer page No.: 328-33- in Vol.II.

Q. No OPTIONS YEAR

1 D

2 D June-06, Mar -07, Mar -09

3 C

4 B June 07

5 D Oct 08

6 C June 08, June 09

7 C Oct 2007& 2010

8 A June 06, Mar 08, Oct 08

9 B June 07

10 D Mar 07

11 A

12 A June 09, Oct 09& 10

13 D

14 A

15 D

74

16 C June 08, Oct 06

17 A Mar-06

18 C

19 B

20 A

21 B

22 C

23 D

24 C

25 B Oct 09, June 2010


Hint: Prepare one mark from the topics: Classification of carbohydrates, Structure of glucose and fructose, disaccharides, polysaccharides, amino acids and functions of lipids.

1. A mixture of D (+) glucose and D(-) fructose is known as invert

sugar. (Mar 2006)

2. Starch when treated with enzyme, diastase yields maltose.

3. Precipitation of proteins is known as denaturation. (Oct 2007)

4. Reverse of denaturation is known as denaturation.

5. Protective agent on the surface of animals and plants is wax.

6. Cephalins have been implicated in the process of blood

coagulation.

7. Glucose reduces Toller’s reagent.

8. Zwitter ion in acidic solution in the form of Cation.

9. Sorbitol and mannitol are epimers (Mar 2008)

10. Nucleic acid is made up of organic base, a sugar unit,

phosphoric acid (Oct 2006)

11. The number of asymmetric carbon in glucose is 4.

12. The hydrolysis of disaccharides involves a cleavage of Glycosidic

linkage.

13. Cephalins are found in the brain.

14. pH at which amino acid shows no tendency to migrate when

placed in an electric field is known as Iso electric point.

15. Starch when heated to 200-300oC gives Dextrin (Mar 2010)

16. Starch, Cellulose and Insulin is considered as a polysaccharide.

17. Raffinose is an example of trisaccharide.

18. General formula for polysaccharides is (C6H10O5) n.

19. Lecithins are required for normal transport and utilization of

other lipids, especially in the liver.

20. Galactolipids occur in considerable amount in the white matter

of brain and all nervous systems.

21. Fruit sugar is fructose.

S. No UNITS MAX.Q Q.No

1 Atomic structure II 1 31

2 Periodic classification II 1 32

3 P-block 2 33,34

4 D-block 2 35,36

75

5 Nuclear chemistry 1 37

6 Solid state II 1 38

7 Thermodynamics II 1 39

8 Chemical Equilibrium 1 40

9 Chemical kinetics 2 41,42

10 Surface Chemistry 1 43

11 Electro chemistry I 1 44

12 Isomerism 1 45

13 Hydroxy derivatives 2 46,47

14 Carbonyl compounds 1 48

15 Carboxylic acids 1 49

16 Organic nitrogen 1 50

17 Chemistry in action 2 51

Total 21

Answer any 15 from 21 Questions.

Question number 31-37: ---- Inorganic

Question number 38-44: ---- Physical

Question number 45-51: ----- Organic

For question number 31:

Hint: Problems based on the topics: De Broglie equation and Uncertainty

principle are possible. In all the previous March question papers (March 06 to

March 10), question was asked from book back only. (Refer Page no 30 in Vol.I for

Book back.)

Q.No QUESTION Page No. YEAR

1 Explain the significance of negative electronic energy

13 June 08, 09 &10

2 Distinguish between particle and wave 3 June 06

3 What is bond order? And how is it useful in determining the stability of a molecule?

19 June 07, Mar 07

4 Why He2 is not formed. 21 Mar 07

& Oct 08,10

5 State Heisenberg‘s uncertainty principle 10 Mar 06&

08, Oct

07 & 09

6 What are the conditions for effective Hydrogen bonding ?

27 Oct 06

7 Define hybridisation. 23 Mar 09

8 What is meant by intra molecular H-

bonding?

28

9 What is a nodal plane? 16

10 Give the type of hybridisation in Co32- and

NH4+

25 & 26

11 Give the type of hybridisation in NH3 and

PCL5

24 & 25

12 What are the consequences of intra and

inter molecular hydrogen bonding?

29

76

13 What are bonding and anti-bonding

molecular Orbitals?

17

14 What are the significances of De-Broglie

wave?

6

15 Give any three importance of Hydrogen

bonding

29

16 Define molecular Orbitals 15

17 Define an orbital 15

18

De-Broglie equation based problems:

Example problems: 1& 3,

Problems for practice: 1, 2, 4.

6,9, 10

19 Uncertainty Principle Based problems: Problems for practice: 2 & 3.

12


Hint: Prepare 3 marks from the topics: Comparing I.E, E.A between

elements (Repeated). Problems based on Atomic Radii (or) Slater’s rule.

(I.I – Ionization energy, E.A – Electron affinity)


1 Why is EA of Fluorine less than 42 Mar06,June

Chlorine? 09,Oct 10

2 Why is the 1st I.E of Beryllium greater

than Lithium (or) Boron?

38 June & Oct 06, June 08

3 Compare I.E of Nitrogen and Oxygen. - Mar 07

4 Define Electron Affinity (E.A) 32 Mar 08

5 Mention disadvantage of Pauling and

Mullikan‘s scale

43&44 Oct 08

6 Why IE2 always greater than IE 1 -

7 I.E of Neon greater then Fluorine. Give

reason.

40 March 09,

June 2010

8 Why is I E of Fluorine greater then

Oxygen?

39 Oct 09

9 I E of carbon greater then Boron 38

10 Why Beryllium and Magnesium has

almost zero EA?

42

11 Compare I.E of Magnesium and Sodium. 39

12 Compare I.E of Aluminum and

Magnesium.

39

13 Beryllium and Nitrogen has almost zero

EA. Give reason.

40 Mar 2010

77

14 If the d (C-Cℓ) is 1.76Ǻ and r (Cℓ) is

0.99Ǻ. find the radius of Carbon atom

33 June 2007

15

Calculate the effective nuclear charge

experienced by the 4s electron in Potassium atom ( S= 16.8)

36

Oct 07

For question number 33& 34:

Hint: Chances for book back questions are more. Prepare from the topics:

Potash alum, Plumbo solvency, Compounds of phosphorous (P2O3, H3PO4,

H3PO3, PCl5, P2O5 etc...), Inter Halogen compounds, Uses of Neon and

Helium. Refer page no.:78 for Book Back questions.


1 What is the action of heat of phosphoric

acid

60 June 09

2 Action of P2O3 with cold and hot water 59

3 Why is HF not stored in silica (or glass

bottle)? Give equation.

67 Mar 07

4 Write note on potash alum.

50 Mar 08

5 H3PO4 is Tri basic nature or Triprotic? 61 Mar 06

6 How will you prepare Phosphine in

laboratory

63

7 Prove that Phosphorous acid is a powerful

reducing agent.

60 June 06

8 Give the electron dot formula of PCL5 and

H3PO3

57& 61 Mar 08

& Oct 08

9 Uses of Neon (Any 3)

76 June 08& 10, Oct 10

10 How fluorine reacts with non-metals? 69

11 What is Plumbo Solvency?

54,55 Oct-06& 10, June

06, 07& 09,

Mar10.

12 Prove that P2O5 a powerful dehydrating

agent.

60 Oct 06 & Mar07

13 Uses of Helium (Any 3) 76 Oct 07,

14 How H3PO4 prepared in the Laboratory? 61 June 08

15 What is a inter halogen compound? Give

any one preparation.

70 Oct-08

16 Illustrate the oxidizing power of fluorine 66 June 07

17 What is inert pair affect? 49 Mar 09

78

18 H3PO3 is diprotic. Why? 60 Oct 09,

Mar 10

19 Write the uses of Phosphine (or) Phosphoric acid.

64& 62

20 Draw the structures of ortho and pyro phosphoric acid.

62& 63

21 Write a note on etching on glass. 67

22 Show that phosphine is a powerful

reducing agent.

63

23 Write any 3 uses of Silicones (or) Lead 52& 55

24 Write a note on Holmes‘s signal. 64 Oct 07&

09


Hint: Chances for book back questions to be asked in Board exams is

more. Refer page No.: 106-107. Prepare 3 marks from the topics:

Formation of coloured ions, Variable oxidation state, complex formation of

d-block elements, chrome plating, spitting of silver, chromyl chloride test,

and action of heat of copper sulphate.


1 What is the action of heat on copper

sulphate? Give equation.

101 Mar 08,

Oct 10

2 Write a note on Chromyl chloride test 100 Mar 09

3 Write note on Chrome plating 92 Oct 06,

Mar 08& 10

4 Why are transition metal ions coloured? 82 Oct 09

5 Splitting of silver and how is it prevented 96 Oct 07 &

08, June 2010

6 Purple of cassius. How is it prepared? 104

7 Bordeaux mixture 102

8 Action of heat on AgNO3 and how is it

prepared.

108

9 Why do d-block elements possess

Catalytic activity

83

10 How gold dissolves in aquaregia 98 Mar 07

11 What is Philosopher‘s wool? How is it formed? 94

12 Evidences for oxidizing nature of potassium dichromate (Any 2)

100 July 06

13 Explain electrolytic refining of copper 87 June 07

14 What is the reaction of CuSO4 with KCN?

(or) KI (or) Ammonia?

101 June 08,

Oct 09

79

15 What is the action of Zinc on hot NaOH

solution?

94 Oct-08

16 Explain why Mn2+ is more stable than

Mn3+?

83 Mar 06

17 A substance is found to have a magnetic moment of 3.9 BM. How many unpaired electrons does it contain?

85 Mar 06

18 Why do transition elements form

complexes?

85 June 06, 08, 09& 10, Oct 07& 10, Mar 10

19 Why do d-block elements have variable

oxidation state?

84 Mar 07, 09, June

07 & Oct

06

20 Why Zn2+ salts are colour less while Ni2+

salts are coloured?

83 June 09

21 Write a note on alumino thermic

process.

90,91

22 How is silver extracted from silver coins? 96

23 Write two alloys of copper and their uses. 89

24 How does copper reacts with

concentrated acids?

88

25 How is copper sulphate prepared? 100,101


Hint: Problems based on the topics: Half Life period Mass defect, average

life, Carbon dating is possible. Refer textbook examples in page no.:144-

148 and book back problems in page no.:149& 150.Prepare for questions,

from the topics: half Life period, mass defect, difference between chemical

and nuclear reaction, Q-Value, types of nuclear reaction, Hydrogen bomb,

Carbon dating and its uses, Nuclear reaction taking plate in sun, study of

a reaction (Mechanisms).


1 Principle behind the hydrogen bomb 141 Mar 06,10

2 Q value of a nuclear reaction 138,139 June 06

3 Difference between chemical and nuclear reaction* (any 3)

137 Oct 06

4 What is radio carbon dating? 141

5

In the following radioactive decay:

92X232 → 89Y220 , How many α and β particles are ejected? Answer: α=3, β=3.

Oct 07

6 What is binding energy of nucleus? 137

7 Uses of radioactive isotope to study the mechanism of photo synthesis.

142

8 Write a note on nuclear power

generator.

140

80

9

Example Problems: Page No.:144-148:

Example 1,2 (June 07-09), 6 (Mar 08),

7(Mar 07), 8,9 (June 10) and 11 (Oct 09)

10

Practice Problems : Q.No 14, Pg. No.:

149-150, Q.No: 20,26 (Mar 09), 27(Oct

2010), 29, 30, 32 (June 08), 33, 34 and

35 (Oct 08)

11 Explain the nuclear reactions taking place in sun.

142

12 What is spallation reaction?

139


Hint: Problems based on the topics: Cubic systems and Bragg’s law.

Prepare 3 marks from the topics: Types of cubic system, Bragg’s equation

and its significance, Types of crystals, types of ionic crystals, Point

defects, Super conductors and its applications and Glasses.


1 What is meant by super conducting transition temperature

162 June 07

2 Application of Super conductors

162 Oct 10, June 10,

3 What are super conductors?

161 Mar 06, June

06,09, Oct 08

4 What are point defects ? 160

5 What is a vitreous state? 162 Oct-06 &

07

6 Write a note on molecular crystal. 158 Mar 08

7 Write a note on Frenkel‘s defect. 160 June 08

8 Write a note on metallic crystal. 158

9 Significations of Bragg‘s equation. 156

10 How glass formed 162 Oct 09

11 Sketch the following lattices

a. Simple cubic b. FCC, c. BCC

154 Mar 09

12 State Bragg‘s law 156

13 Write a note about metal excess defect. 161

14 Any three characteristics of Ionic crystals 158

15 Write the structure of Rutile (TiO2) 159

16 What do you mean by imperfection in

solids?

159

17 Example Problems: 1, 2, 3& 4 162-163

18 Problems for Practice: 1(Repeated), 2,

3.

164

81


Hint: Problems based on the topics: 1.) Efficiency of a engine, Trauton’s

rule, Change in entropy, standard entropy, standard free energy and

enthalpy. Prepare 3 marks from the topics: Various statements of second

law of thermodynamics, Trauton’s rule and characteristics of 1.)Entropy,

2.) Gibbs free energy.

Q.No QUESTION Page No. Year

1 Clausius statement, Kelvin-plank,

Entropy statement of second law of thermodynamics

167,168 Mar & July 07, Oct 08

2 Trouton‘s rule or types of liquids or

substances derivatives from Trouton‘s rule

170 Oct 06, June 09

3 What is entropy? What are the units of

entropy?

168,172 Mar 06

4 What is Gibb‘s free energy? 175 June 06

5 Mention the essential condition for

spontaneity in a chemical reaction.

176

6 Define the standard entropy change of

formation.

174

7 How is ∆G related to ∆H and ∆S? What is

the meaning of ∆G=0

176 Oct 10

8 Example problems: 1(Mar 08), 2)(Mar 09), 3(Mar 10), 7,8,9& 10(June 08& 10),

170-178

11& 12.

9 Exercises problems: Q.No 19 (Oct 07,

09), 20, 21& 30.

180-181


Hint: Problems based on the topics: ∆ng, Formation of HI etc. Prepare 3

marks from the topics: Dynamic equilibrium, Equilibrium constant,

reaction quotient, Le-chatelier’s principle, Haber’s process and contact

process.


1 What is reaction quotient(Q), How is it

related to equilibrium constant ?

188 Oct 07,

June 10, 08

2 Dissociation of PCl5 decreases in presence

of increase in Cl2.why?

Mar 09

3 State Le-chatelier‘s principle 190,191 Mar07,10

4 What is relationship between formation

equilibrium constant and dissociation

constant?

186 Mar 08

5 What is equilibrium constant? 184 Oct 09

6 Where are the favorable conditions for the

maximum yield of ammonia by Heber‘s

process?

192,193

7 Why is equilibrium reaction referred to as

dynamic equilibrium?

183 Oct 10

8 Example Problems: from Formation of HI, in page no.: 187 (Repeated), Page No.:

188(Repeated).

9 Answer in one or two sentences: Page

82

No.:194, Q.No:9 (Oct 06), 13(June 09),

14(Repeated).

10 Problems For Practice: Page No.:195-

196, Q.No.: 18(Mar 06), 19(June 06),

26(June 09), 27, 28(Oct 08)


Hint: Problems based on 1.) First order reaction (Finding K, Half life

etc.) 2.) Activation energy. Prepare 3 marks from characteristics of order

of a reaction and first order reaction, Examples of first order reactions,

half life period, Pseudo order, Arrhenius equation, activation energy, and threshold energy; compare simple and complex reactions, repeated

questions from types of complex reaction in board papers.


1 Define Pseudo first order reaction. Give

an example.

10 Mar 08,

June 09&

10 , Oct 09

2 What are the characteristics of 1st order 4

3 Zero order reaction. Give an example

4 Give 3 examples for opposing reactions 20 Mar 06,

June 09

5 What are consecutive reactions? Give an

example

18 June 06,

Oct 06,

Oct 09

6 Write the Arrhenius equation and explain

the terms.

14 Mar 07 &

Mar 09

7 What are parallel reactions? Give an

example

19 Mar 07, 10

8

Define order of reaction.

2

June 07,

08,Mar 09,

Oct 10

9 Compare simple and complex reactions. 17,18 Oct 07

10 Define activation energy. 15 Oct 07 &

08, Mar

08,10

11 Derive an equation for the half–life period

of first order reaction.

4 June 08

12 What are complex reactions? Give an

example.

17,18 Oct 08

13 Define half–life period. 7

14 What is meant by Threshold energy? 15

15 Any three example for first order reaction 4,5

16 Define rate of reaction. 3

17 75% of reaction of the first order was

completed in 48 minutes. When was it

half complete?

Answer: K=0.0288 min-1.t1/2 =24.06 min

18 What are opposing reactions ? Give an

example .

20 June 09

19 Draw the potential energy diagram for

activation energy

15

20 Example Problems: From ―First order

83

reaction‖: in page no.:8,9 and 10. All

examples are repeated in board papers.

Example problem in page no.:10 was

asked in October 2010.

21 Problems for Practice: Q.No:2,5

(Repeated), 6, 8(repeated).

22


Hint: Prepare 3 mark from the topics: Difference between Physical and chemical adsorption, Characteristics of catalytic reactions, Types of

catalytic reactions and catalysts, promoters, Catalytic poisons and

active centres, 1.) Preparation 2.) Purification 3.) Properties and 4.)

Applications of colloids.


1 What are promoters? Give an example 29 June 08,

Mar 10

2 What is catalytic poison? Give an

example.

29 June 07,

Mar 10

3 What is peptisation? Give an example. 35 Mar 09

4 Why does the sky appear blue? 40

5 How is the stability of the sol maintained? 38

6 What is meant by electro osmosis ? 40

7 What is auto catalyst? Give an example 28 Oct 06

8 What is heterogeneous catalysis ? Give an

example.

27 Mar 08

9 What is tanning? 42 Oct 07

10 What is electrophoresis? 39 Mar 06 ,

June 10

11 What are emulsions? 42 June 06

12 Why colloidal system of ―gas in gas‖ does not exist?

33 Mar 07

13 What is electro dialysis? 36 Oct 08

14 Write about Helmholtz double layer. 38,39

15 Why colloids are purified? 36

16

What is Brownian movement? (or) What is

the Kinetic property of colloids? Give

reason.

38 June 09

17 Give any 3 difference between physical

and chemical adsorption.

25 Oct 09

18 What are general characteristics of a

catalytic reaction?

26

19 What is meant by Tyndall effect? 38 Oct 2010

84

20 What is ultra filtration ? 37

21 What are Lyophobic and Lyophobic

colloids?

33

22 What is induced catalyst? Give an

example.

28

23 What are active centres ? 29

24 What are dispersed phase and dispersed

medium?

32

25 Any 3 medical applications of colloids? 42

26 How is colloidal solution prepared by double decomposition method?

35


Hint: Problem based on the topics: Electro chemical equivalent and pH of

a solution. Prepare other questions from the topics: Semiconductors,

Ostwald dilution law, Faraday’s first and second law, electrochemical

equivalent, Kohlrausch’s law, common ion effect, ionic product of water,

buffer solution and action, Henderson equation and its significance, pH

indicators and its selection for acid-base titra tion, suitable indicator

(Phenol pthalein and methyl orange) in the ti tra tion.


1 Faraday‘s first and second law 53 Mar 06

2

State Kohlrausch‘s law.

61

June 06,

Oct 08 &

09

3

What is mean by common ion effect?

63

Oct 06,07

July 07,

Mar 08,

10

4 Define equivalent conductance. Give

equation.

57 June 08

5 State Ostwald dilution law. 52 Mar 09

6 Define electrochemical equivalent. What is

its unit?

53 June 09

Define Molar conductance. 58

7 What are indicators? 73

8 What are insulators? Give 2 examples. 47

9 Write Debye – Huckel Onsager equation

for a univalent strong electrolyte.

59

10 Write a note on Ionic product of water. 64

11 What do you understand by buffer

solution? Give an example.

69 June 10,

Oct 10

12 How will you determine λ∞ of acetic acid ? 61,62

13 What is buffer action? Give an example 69

14 What is Henderson equation? 71,72

15 What are Intrinsic and extrinsic semi

conductors ?

48

85

16 Example Problems: From pH of a

solution, Example problem 3, 4 and 5.

68

17 Problems for Practice: Q.No.: 1& 2 80


Hint: Prepare 3 mark from the topics: Geometrical Isomerism, Mentioning

Cis-Trans (or) E, Nomenclature for given alkenes, 1,3 butadiene,

cyclohexane, optical isomerism and rotation, condition for optical activity,

Isomerism in Tartaric acid, compare 1.)Racemic and Mesoform 2.)

Enantiomers and Diastereomer, Racemic mixture and Disubstituted

benzene.


1 Inter conversion between Cis and trans

isomerism

104

2 Condition for optical isomerism 110 Oct

07,Mar09

3 Draw the confirmations of cyclopropane,

cyclobutane and cyclopentane.

106,107

4 Write a note on Isomerism in1,3 Butadiene 106

5 What is Geometrical isomerism (or) Cis-

Trans isomerism ? Give examples

103

6 Meso tartaric acid is optically inactive:

explain.

113 Mar 10,

Oct 06

7 Compare diastereomer from enantiomer. 114 June 06

8 Distinguish between racemic and meso

forms.

113 Mar 07, June 10, Oct 10

9 What is racemic mixture? Give example. 112,112 Mar 08

June 09

& Oct 09

10 What are optical isomers? Give example. 111 June 08

11 Justify that boat form is less stable than

chair form of cyclohexane.

108

12 Which Isomerism is possible in

Disubstituted benzene? Give example.

116

13

Self Evaluation: Geometrical Isomerism,

Q.No:2 (Sep 08), 3(Repeated), 7(Repeated),

9(June 07).

118-120


Hint: Prepare 3 marks from the topics: 1.) Ethyl Alcohol – Preparation

(Ethers, Grignard), chemical properties (Lucas, oxidation, Haloform, Victor

Meyer Test) and uses. 2.) Glycol – Preparation (Bouveault- Blanc

86

reduction), Physical properties, chemical properties (Terylene,

acetaldehyde, dioxan) and uses. 3.) Glycerol – Preparation

(Saponification, propylene), properties (Acrolein, oxalic acid) and uses. 4.)

Benzyl alcohol- Preparation (Grignard, Cannizaro) and uses. 5.) Phenols-

Preparation (Dow’s, Cumene), Physical and chemical properties(Dye test,

Bromine water, Kolbe’s, Riemer-Tiemann, Phenolphthalein, Lederer-

Manasse reaction) and uses.


1 Breath Analysis test 134 Mar 06

2 Phenol is insoluble in NaHCO3 solution

but acetic acid is soluble. give reason

159 Mar 07

3 Reaction of glycerol with KHSO4 149 Mar 07

4 Explain Dow‘s process 157 June 07

5 How will you Convert Phenol to Phenol

Phenolphthalein?

166 Mar & June 06, June 09

6 Why is glycol more viscous than ethanol? 141 June 06

7 Give a brief account on coupling reaction

of Phenol with benzene diazonium

chloride.

165 Oct 06

8 Give ant three uses of benzyl alcohol. 155 Oct 06

9 Convert ethyl alcohol to diethyl ether. 132 June 07

10 Write the dye test for phenol. 165 Oct 07

11 How is Allyl alcohol obtained from

glycerol?

150 Oct 07

12 Alcohols cannot be used as a solvent for

Grignard reagents. Why?

130 Mar 08

13 How is ethylene glycol converted into 144 Mar &

dioxan? Oct 08

14 Write a note on Kolbe‘s reaction. 165 June 08

15 How is glycerol synthesized from propylene?

147 June 08

16 Give a chemical test to distinguish

between ethanol and methanol.

135 Oct 08

17 How Terylene prepared from glycol? 142 Mar 09

18 How is phenol identified? 163,164 Mar 09

19 How will you convert 2-methyl-2-propanol

into 2-methyl propene?

136 June 09

20 What happens when ethylene reacts with

cold dilute alkaline KMnO4?

139 Oct 09

21 Write a note one Haloform reaction. 135

22 Phenols are soluble in alcohols, Why ? 158 June 10

23 Starting from Phenol, how would you

obtain picric acid?

164 Oct 10


Hint: Prepare from these topics: 1.) Acetaldehyde: Preparation (Rosemund’s, Stephen’s), Chemical properties(Addition reaction,

Ammonia, Aldol, Clemmenson, Wolff Krishner, Oxidation, Polymerization

and uses. 2.) Acetone: Preparation ,Chemical properties (Grignard

addition, Ammonia, Reduction, Popot’s rule, Haloform reaction, Pherone,

Mestiylene) and uses. 3.)Benzaldehyde: Chemical Properties (Reduction, Benzoin, Perkin’s, Knoevenagal, Malachite green) and uses. 4.)

Acetophenone: Preparation, properties and uses. 5.)Benzophenone:

Preparation (Friedel crafts), properties (Benzhydrol) .

87


1

How does formaldehyde react with ammonia? And mention uses.

211

June 06,09, Mar 08, 10, Oct

09,06,10

2 How acetophenone prepared by Friedel-

crafts method?

229 Mar 07 &

Mar 09

3 What is formalin? Write its uses. 217 June 07

4 What is Rosemund‘s reduction? What is the Purpose of adding BaSO4 in it?

201,202 Oct 07

5 Write two tests to identify aldehydes. 216 June 08

6 Explain Halo form reaction with example. 226 Oct 08

7 Naming reaction, Perkins, Knoevenagal. 222

8 How will you distinguish between formaldehyde and acetaldehyde?

223

9 How is benzophenone prepared by

Friedel-crafts method?

230

10 Write Benzoin condensation reaction. 221

11 How is acetaldehyde obtained from

calcium salts of fatty acids?

201

12 Give IUPAC names for i)Crotonaldehyde ii)Methyl-n-propylketone , iii)Phenyl

acetaldehyde

198,199 Mar 06

13 Write briefly on clemmensen‘s reduction 214 June 10

14 How is Paraldehyde obtained ? 217

15 Formaldehyde and Benzaldehyde gives cannizaro‘s reaction, but acetaldehyde

does not - Explain.

224

16 How do acetaldehyde and acetone react 217,227

with conc.H2SO4?

17 How malachite is green obtained from

Benzaldehyde?

223

18 What is Popot‘s rule? 215,216

19 Write a note on Wolff-Krishner reaction 215


Hint: Prepare 3 marks from source and trivial name. 1.)Acetic acid

preparation, chemical properties (Esterif ication, HVZ, Kolbe’s electrolysis,

2.) Reducing property and Uses of formic acid test for carboxylic acid,

3.)Lactic acid: preparation (acetylene, propene), properties (Pyruvic acid, dil.H2SO4, Haloform reaction, lactide, PCl5) and uses, 4.)Oxalic acid:

preparation, physical properties, chemical properties (NaOH, PCl5, Action

of heat) and uses. 5.)Bemoic acid: properties and uses, 6.) Salicylic acid –

properties(Kolbe’s), test for salicylic acid, properties (Aspirin, oil of winter

green) and uses. 7.)Methyl acetate - properties (Trans-esterification, claisen ester condensation), 8.)Acetamide – Preparation, physical

properties, chemical properties (dehydration and Hoffmann’s) and uses.


1 Write a note on HVZ reaction 249 Oct 06

2 Trans-esterification, Claisen ester 268 Mar &

July 06

3 Mention the uses of oxalic acid. 257 Mar 07 &

09

4 Formic acid reduces Toller‘s but acetic

acid does not. Give reason.

251 Oct 07, 08

& 09

5 How methyl salicylate is prepared? 264 June 08

6 Reaction of lactic acid with dilute

sulphuric acid.

253 Mar 08

88

7 Uses of formic acid, salicylic acid, Succinic acid and lactic acid.

251,264, 257,254

8 What is meant by esterification? Write

the equation.

246 June 06

9 Convert phenol into salicylic acid. 262

10 How you will distinguish formic acid acetic acid.

250

11 Two test to identify carboxylic acid. 251 June 09

12 Give the source and trivial name of a)

HCOOH b)C3H7COOH c)C11H23COOH

241 June 07

13 Account the reducing nature of Formic

acid, with suitable example.

250 Oct 08

14 Give tests for Salicylic acid. 263

15 Mention the uses of Benzoic acid. 262


Hint: Chances are more for Organic problems (Identifying A,B,C: Refer Q.N: 50 in Mar 2008,09 and 10, June 2006, 08 & Oct 2009& 10) Prepare

3 marks from 1.)Nitro methane: Tautomerism, properties (Chloropicrin,

with Aldehyde and Ketone, reduction) and uses. 2.) Nitro Benzene:

properties (Acidic, neutral, alkaline medium, catalytic and electrolytic

reduction) and uses. 3.) Methylamine – preparation (cyanide, NH3, Gabriel), basic nature, chemical properties (HNO2, carbylamines, mustard

oil, Schiff ’s base) and uses. 4.)Aniline : Preparation (Hoffmann’s)

properties (HNO2, carbylamines, mustard oil, Schiff’s base) and uses.

5.) Benzene Diazonium Chloride: Preparation, properties (Sandmeyer, Gattermann, Gomberg, diazonium coupling) and uses.


1 Convert acetamide to methyl amine 290 Mar 06

2 What is Gabriel pthalamide synthesis 291 Oct 06,08,

Mar07,sep 07,June10

3 What is diazotization? Give an example. 308 June 07 &

09

4 Write a note on Gattermann reaction 307

5 Uses of aniline acid. 307,309

6 What happens when aniline is treated with phosgene (or) carbon di sulphide

301

7 Basic nature of aniline 299

8 What is mustard oil reaction? 294


Hint: Prepare 3 marks from the topics: Anaesthetis, antipyretics, antiseptics, antiprotozoals, Antibiotics, antacids, antispasmodics, and

characteristics of dye, chromophore and auxochrome, chemical in food,

artificial sweetening agents and anti oxidants. Rocket propellants (Use

and examples), Buna rubbers (Buna N & S), Nylon 66 (Preparation and

uses), Formaldehyde Resins.

89


1 Write a note on Buna – S and its uses 339 June 06

2 Write a note on Antiseptic 334 Oct 06

3 What are chromophores? Give two

examples.

336

Mar 07,10 &

June 09

4 What are anesthetics? Give one example. 333 July 07

& 08

5 Why are Iodoform and phenolic solutions called antiseptic?

334

Mar 08

6 Give the preparation of Buna-N rubber. 339 Oct 08

7 How is nylon -66 (or) Polyamide prepared?

Give its use.

340 Mar 09

8 Give a note on Antibiotics 334 June 10

9 In what way antacids are important 334,335 Sep 07

10 How is Dacron prepared? Give any two

uses. (Hint: Refer Hydroxy Derivatives for ans.)

142 & 339 Mar 06

11 What are artificial sweetening agents?

Give two examples

337 Oct 09

12 Write a note on chemicals in food. 336,337

13 Give the characteristic of dye 335

14 What are antispasmodics and antipyretics?

335,333

Note: There are no three marks Question from the following chapters: F-block Co-ordination compounds

Electro chemistry II Ethers Biomolecules

SECTION A (Inorganic Chemistry)

S. No UNITS MAX.QUS Normally. Q.No

1 Atomic structure II 1 52

2 D-block 1 53

3 F-block 1 54

4 Co-ordination compounds 1 55

SECTION B (Physical chemistry)

5 Thermodynamics 1 56

6 Chemical equilibrium 1 57

7 Chemical kinetics 1 58

8 Electro chemistry II 1 59

SECTION C (Organic chemistry)

9 Ethers 1 60

10 Carbonyl compounds 1 61

11 Carboxylic acids 1 62

12 Chemistry in action 1 63

Total 12

90

Answer any 7 questions choosing at least 2 from each section.

SECTION – A

INORGANIC CHEMISTRY

For Question Number 52:

Note: Problem chance based on De-Broglie equation and Uncertainty.

1. Derive de-Broglie wave equation and mention its significance.

Page No.5, 6 (Oct 06, June 07)

2. Explain inter & intra molecular hydrogen bonding.

3. Discuss Davisson & Germer‘s experiment. (Mar 07) Page No. 3, 4

Give any five postulates of molecular orbital theory. (Mar08)

4. Discuss the shape of s, p, and d, orbital. (still this book back

question is not given in board exam) Page No.17

5. Explain the formation of O2 molecule by molecular orbital theory.

Page No.22, 23 (Mar 10,06 , June 06, Oct 07)

6. Explain the formation of N2 molecule by MOT. (June 08,10 Oct-

08,10) Page No.22

7. Problems: Examples volume I Page No. 6-10(De-Broglie)

Example 1, 2, 3(repeated), 4(repeated), 5(repeated)

Problem for practice (Page no 10) Question no 4 (repeated), 5 (Oct

09), 7, 8 and 9.

8. Problems: Examples volume I Page no 11 and 12 (Uncertainty)

Example 1 Page No 11. Problem for practice 1 and 2(repeated), 5

(Mar 09) Page no: 12.

9. Explain the types of Hydrogen Bonding. Page No.27,28

10. What‘s Hybridisation? State its salient features. Page. No 22,23

11. Explain the verification of particle character. Page. No 5.

12. Write a note on importance of hydrogen bonding. Page. No – 29.


Note: Till now (from March 06 to Oct 10) Extraction of copper is not

given in board Question papers. Questions based on chemical

properties of copper, Zn, Ag, CuSO4, Cr.

1. Extraction of silver from its chief ore? Page no: 75 (June 06 &

08, Oct 07)

2. Extraction of zinc from its chief ore? Page no:93 (June09,Oct10,Mar

06) 3. Extraction of gold from its chief ore? Page no:97 (June 10,Oct

06,09, June 07, Mar 08)

4. Extraction of copper from its chief ore? Page no: 86,87 (chance)

5. Explain the preparation of K2Cr2O7 and its oxidizing property.

Page no:99, 100

6. Explain how potassium dichromate is extracted from chromium

ore. Page no:99 (Mar 07,10)

7. Explain alumino thermic process involved in the extraction of

chromium. Page no:90, 91 (Mar 09, Oct 08)

8. Explain salient features of oxidation states of transition elements.

Page no:84


91

Note: Normally indirect (or) twisted Questions chance, so read full unit

properly.

1. Explain the extraction of lanthanides from monazite sand. Page

no: 111(Oct 06,10,Mar 10 June 07)

2. What is lanthanide contraction? Discuss any three consequences

& causes of lanthanides extraction. Page no: 109,110(June 06, Oct

07 & Mar 09,07)

3. Uses of lanthanides & actinides. Page no:112,113(June 09, Oct 09)

4. List the similarities & difference between lanthanides & actinides.

Page no: 112, 113 (Mar 06, June 10)

5. Mention oxidation state and any 3 uses of lanthanides. Page no:

109,112(Oct 08)

6. Mention oxidation state and uses of actinides. Page no:110,113

7. Discuss the position of lanthanides in the periodic table. Page no:

108,109(Mar 08)

8. Compare the properties of lanthanides and actinides. Page no:112

(June 08)

9. What is actinide contraction? Write its causes. Page no:110,111

10. i) +3 oxidation states of lanthanides is the most sable.

ii) Why f-block elements are called inner translation elements?

Page no:109


Note: Very important chapter useful for writing Q. No 55 as well as

65(a). So read properly. Questions may inter change.

1. In the compounds K4Fe (CN)6 , [Cu(NH3)4] SO4 , Mention

a) IUPAC name b) Central metal ion

c) ligand d) Co-ordination number

Page no:124 (Oct 06, Mar & Oct 07, Oct 09)

2. Explain the postulates of Werner‘s theory? Page no:126 (Mar 06)

3. [Ni (CN) 4]2- is diamagnetic, whereas [Ni (NH3)4]2+ is paramagnetic,

Explain. Page no: 128 (June 10, Oct 10)

4. In what way does [FeF6]4- differ from [Fe (CN)6]4-? Page no: 129

(Mar 09)

5. Explain co-ordination isomerism (or) ionisation isomerism with

example. Page no: 121 (June 0708, Mar & Oct 08. June 09 as 65a)

6. Apply VB theory for [Ni (CN)4] & [FeF6] & explain the shape &

magnetic properties. Page no: 128, 129

7. Write a note on stereoisomerism (or) cis-trans isomerism and

Optical isomerism. Page no: 123-125

8. K3[Cr(C2O4)3].3H2O Mention Page no:120

a) IUPAC Name b) central metal ion

c) ligand d) coordination number

9. How chlorophyll important. Mention its function. Page no:

131,132(Mar-08)

10. In co-ordination complex [Co(NH3)6]Cl3. Mention the following

a) IUPAC name b) ligand

c) Central metal ion d) Co-ordination number

e) nature of complex (June 09)

11. Mention the type of hybridization and magnetic property of the

following complexes using VB theory: Page no:129

i) [FeF6]4- ii) [Fe(CN)6]4-

92

12. Mention the function of haemoglobin in natural process. Page

no:131 (Mar 10)

13. Explain the IUPAC rules of nomenclature. Page no: 119-120.

14. Mention any 5 uses of coordination compounds. Page no: 130.

SECTION-B

PHYSICAL CHEMISTRY.


Note: Till now problems is not given in Board Question papers.

1. Various statement of second law? Page no:167,168 (Mar, June &

Oct 06,10, Mar 08, Oct 09,10)

2. Characteristics of entropy (spontaneous reaction) Page

no: 171(June 08, Oct 08 & Mar 09)

3. Characteristic of Gibbs free energy or free energy.

Page no: 176-177 (Mar, June & Oct 07, June 09)

4. What is spontaneous reaction? What are the conditions for

spontaneity of a process? Page no: 175-176(Chance for this March

2010)

5. State 1st Law and mention limitation of 1st law of

Thermodynamics. Page no: 167

6. State Trouton‘s rule, mention its applications and give examples

of substance that deviates from Trouton‘s rule. Page no: 170

7. i) How is efficiency of machine determined? Page no: 168

ii) How is ∆G is related to ∆H and ∆S? What do you mean by

∆G=0?

8. Problems: Examples volume I Page no 180 and 181.

19 (model papers), 22, 23 and 29 (repeated)


Note: Problem also possible. Only in Oct 2006 problem is given from

this chapter.

1. Apply Le Chatlier‘s principle; explain the condition to yield

maximum ammonia (or) Haber‘s process. Page no:192,193

(June 06, Mar 08, June 10 )

2. Explain about the application of Le Chatlier‘s principle to contact

process. Page no: 193 (Oct 07,June 08 Mar 09, )

3. Derive an expression for KC and KP for the formation of HI.

Page no: 187 (Oct 09)

4. Derive the expression for Kc and KP for decomposition of PCL5.

Page no: 189, 190 (Mar-07)

5. Derive relation between KP=KC (RT)∆n(g) for a general chemical

equilibrium reaction. Page no: 184,185 (Mar 06, June 07, Oct 08,

Mar 10, Oct 10)

6. State Le Chatlier‘s principle. Discuss the effect of pressure,

concentration and temperature on the following reaction.

N2(g) + O 2(g) 2NO(g) (or) N2O4(g) 2NO2(g)

Page no: 191,192 (June 09)

93

7. Problems: Problem for practice (volume I) Page no 195 and 196.

Q. no 26 (dissociation of HI) (Oct 06), 29 (model papers)


Note: Problem also possible. Only in Mar and Oct 2009 problem is

given from this chapter.

1. Derive the equation for rate constant for a first reaction.

Page no:3 and 4 (June 09)

2. Decomposition of H2O2 in aqueous solution. Page

no: 6 (Oct 07, June 06)

3. Difference between simple and complex reaction. Page no:18

(June 07, Oct 10)

4. Give characteristics of order of a reaction? Page no:2

(Mar 06, Oct 08,Mar 10,June 10)

5. Explain the experimental determination of rate constant of acid

hydrolysis of methyl acetate. Page no:11 to 13 (Mar 07)

6. Discuss the characteristics of a first order reaction. Page no:4

(Oct-06)

7. Write an account of the Arrhenius equation for rates of chemical

reactions. Page no:14

8. Write notes on i) consecutive reaction ii) Parallel iii) opposing.

Page no:18 to 20 (Mar & June-08)

9. A first order reaction is 75% complete in 100 minutes. What are

the rate constant and half life period of the reaction? (Oct 09)

10. Problems: Solved problems in text book (volume II)

Page no 5 → Example (N2O5 decomposition)

Page no 6 → Example (H2O2 decomposition)

Page no 8 → Compound A problem (Mar 09),

Thermal decomposition of N2O

Page no 9 → 99.9% problem, page no: 13(Methyl acetate problem)

11. Solve the problems Page no 22, 23. Q. No 5, 6 and 8. (all the above

mentioned problems are given in model question papers)


Note: Problem based on Nernst equation more chance.

1. Derive Nernst equation. * Page no:92 to 94( Oct 06, Mar 09)

2. How is e.m.f of a half cell determined? Page no: 86,87

3. How SHE constructed? Which is the e.m.f of it? What is the use of

it? Page no:87 and 88 (Oct 09)

4. Write an account on cell Terminology Page no:84 (June 09)

5. Calculate the e.m.f of the cell Zn, 2n2+ 2Ag+, Ag E˚ cell = 1.56 at

273K. Concentration 2n2+ is 0.1M and Ag+ = 10M.

Page no:96 and 97 (Mar 06, June 06, 07 & 08, Oct 08, Mar10,

Oct 10)

6. The e.m.f of the half cell Cu2+(aq)/Cu (s) containing 0.01 M Cu2+

solution is +0.301 V. Calculate the standard e.m.f of the half cell

Page no:101 (Mar 07, June 10) 7. Determine standard e.m.f of a cell and standard free energy

change of the cell reaction Zn, Zn2+, Ni2+, Ni. The standard

94

reduction potentials (E˚) of Zinc -0.76 V and nickel -0.25 V.

Page no:92 (Oct 07, Mar 08)

8. Calculate the e.m.f of Zn – Ag cell. Zn → 0.001M, Ag → 0.1M. The

standard potential of Ag Half cell → +0.80V, Zn Half cell → -0.76V.

Page no:95,96

9. How will you predict the feasibility of a reaction with the help of

electro chemical series?

10. Calculate the e.m.f of a cell Cd | Cd2+ Cu | Cu2+ and determine

the cell reaction. The standard reaction potentials of copper and

cadmium are 0.34V and -0.40V. predict feasibility of the cell

reaction. Page no:91 (model papers)

SECTION-C


Note: Normally twisted type question chance. So read properly.

1. Action of anisole with a) HI, b) Nitrating Mixture, c) Br2/FeBr3.

Give any 2 preparation of anisole. Page no: 191.192 (June 08,

Mar 09)

2. Distinguish between aliphatic and aromatic ethers? Page no:192

(Oct 06 & 08, June 09, Oct 09, June 10)

3. Discuss the isomerism in ethers. Page no:183 (June 06, Oct 07)

4. What happens when diethyl ether treated with

a) O2/long contact b) dil. H2SO4

c) Conc. H2SO4 d) Cl2/dark

Page no: 186 to 188 (Mar 07)

5. What are ethers? How are they classified? Give examples. Page

no:182

6. Any three methods of preparing diethyl ether. Page no:184,185

(June 07, Mar 08,Mar 10)

7. How Ethers do reacts with HI? Give the significance of the

reaction.* Page no:189 and 191 (Mar-06)

8. Explain the reaction of diethyl ether: (i) as Lewis acid.

(ii) Reaction involving C-O bond. (iii) Grignard reagent

Page no:187,188

9. Illustrate electrophilic substitution reactions of anisole. Page

no: 191,192

10. How does diethyl ether reacts with PCl5 one mole of HI and

excess of HI. Page no: 189 (Oct 10)


Note: Mechanism (or) Naming reaction (or) Distinguish between

chemical properties 1) acetaldehyde 2) acetone 3) benzaldehyde

chance

1. Mechanism of aldol condensation of acetaldehyde. Page no: 207

(Oct 06 & 08, Mar & June 07)

2. Mechanism of aldol condensation of acetone. Page no:207, 208

(Oct 08)

3. Mechanism of crossed aldol condensation. Pageno:208

(June 06, June 10)

4. Mechanism of Cannizaro reaction. Page no:220

(Mar 06, June 08, June 09, Mar 10)

95

5. Mechanism of Claisen (or) Claisen-Schmidt reaction. Page no:221

(Sep -07, Oct 10)

6. Distinguish between Acetaldehyde and acetone. Pageno:228

(Mar-08)

7. Explain ‗Popott‘s rule‘ with an example. Page no:215, 216

(Mar 09)

8. Write a note on (i) Stephen‘s reaction Page no: 204 (ii) Perkin‘s

reactions. Page no:222 (Oct 09)

9. How you convert acetone into (a) mesitylene (b) Mesityl oxide (c)

phorone (d) isopropyl alcohol. Page no:226 and 227

10. What happens when the following compounds reacts with

ammonia (a) HCHO (b) CH3CHO (c) C6H5CHO. Page no:211

11. Compare acetaldehyde and Benzaldehyde. Page no:224


Note: useful for writing Q. No 62 and 68 (b) questions may interchange

mechanism (or) convert the following chance from chemical

properties 1) oxalic acid 2) benzoic acid 3) lactic acid

4)acetamide

1. Mechanism of bromination of salicylic acid. Page no: 263

2. Account for the reducing property of formic acid. Page no: 250

(June 06, June 09 as 68.b, Mar 10)

3. How benzoic acid obtained from; a) Ethyl benzene

b) Phenyl cyanide c)CO2

(Oct 06, Oct 09 as 68.b) Page no:259, 260

4. How oxalic acid manufactured from sodium for mate.

Page no:254, 255 (Oct 07)

5. Convert the following

(i) Lactic acid to Lactide Page no:253

(ii) Succinic acid to succinimide Page no:256

(iii) Salicylic acid to aspirin Page no:263 (iv) methyl salicylate

Page no:264 (v) Benzonic acid to benzyl alcohol.

Page no:261 (June 07, Oct 08,)

6. Distinguish between formic acid and acetic acid. Page no:250

(Mar 07)

7. Explain the mechanism of esterification involving carboxylic acid

and alcohol Page no:246,247 (Mar 08,Oct 09)

8. How lactic acid manufactured? How it convert into cyclic diester?

Page no:251, 252,253 (Mar 06)

9. What happens when (i) oxalic acid treated with Ammonia. Page

no:256 (ii) Benzonic acid treated with PCℓ5 Page no:260

(June 08)

10. Explain the mechanism of Kolbe‘s reaction. Page no:262(Mar 09)

11. What happens when lactic acid is (a) treated with dil. H2SO4,

(b) with PCℓ5 (c) oxidized with acidified KMnO4 (d) tenfon‘s

reagent.(June 09,June 10)

12. Explain the reaction of CH3CONH2 with i)P2O5 ii)Br2/NaOH iii)

hydrolysis by an acid. Page no:270 (Oct 10)


Note: Twisted questions (or) two 3 marks combine as 5 marks

question. Chance

96

1. Write a note on Buna rubbers? Mention its uses?

Page no:338,339 (Mar 07 & 08)

2. Explain the characteristics of rocket propellant?

Page no:337,338 (Mar 06, June 06, 07 & 08, Oct 07, Mar 09)

3. Explain briefly on colour and structure of dyes. Page no:335,336

(Oct 08 & 09&10) 4. Give the characteristic of a dye. Page no:335 (June 09) 5. Write the preparation of Buna - S and nylon66. Page no:

339,340. (Mar 08) 6. Write the preparation of any three condensation polymers. Page

no: 339.340. 7. Write a note on Anesthetics. Page no:333 (Oct 06, Mar10)

S. No UNITS MAX QUS. Normally. Q.No

1 Atomic structure II And P-block 1 64a & 64b

2 Co-ordination compounds And Nuclear chemistry

1 65a & 65b

3 Solid state II And Surface chemistry

1 66a & 66b

4 Electro chemistry And Electro chemistry II

1 67a & 67b

5 Isomerism in organic chemistry And Carboxylic acids Or Hydroxy derivative (less

1 68a & 68b

chance)

6 Organic nitrogen compounds And Biomolecules

1 69a & 69b

7 Hydroxy, carbonyl, carboxylic(inter related) And D-block

1 70a & 70b

8. EITHER-OR

8

Carbonyl ,carboxylic ,organic nitrogen(inter related)& Electro chemistry I

1 70c & 70d

For Question Number 64 (a) & (b):

Hint: one question direct another indirect (or) twisted (or) two 3

marks combine as 5 marks. So writing both 64(a) and 64(b) is

difficult so prepare well.

1. Write a note on Pauling and Milliken's scale of electro negativity.

Page no: 43,44

97

2. How is fluorine isolated from their fluorides by Dennis method?

Page no:68 (Mar 06, Oct 09)

3. What are the factors affecting ionisation energy?(ANY 3)

Page no:38, 39 (June 08)

4. Explain the various factors affecting electron affinity.

Page no:41, 42 (June 06 & 07, Mar 07 & 09, Oct 06)

5. How are noble gases isolated from air (Ramsay and Dewar‘s

method)Page no:74, 75 (Oct 06, June 06 & June 09,Mar 10)

6. Illustrate: i) tribasic nature of orthophosphoric acid Page no:61

ii) Reducing property of phosphorous acid Pageno:60

(June 07)

7. Explain Pauling method to determine ionic radii? Page no:34, 35

(Mar 06, Oct 09,Mar 10, June 10, Oct 10)

8. Discuss the structure of interhalogen compounds of AX and Ax5

type. Page no:71 and 72 (Oct 07)

9. How electro negativity values help to find out the nature of

bonding between atoms? Page no:45 (Oct 07, June 09)

10. What are silicones? How are they prepared? Mention its uses.

Page no:51, 52 (Mar 07)

11. Extraction of lead from galena. Explain. Pageno:53, 54(June 08)

12. How are atomic radii calculated from covalent bond length?

Page no: 32, 33

13. Explain the Pauling scale for the determination of electro

negativity. Give the disadvantage of Pauling scale. Page no:43

(Mar 08)

14. Write any five points about the anomalous nature of fluorine.

Page no:67 (Mar 08 & 09, June 10, Oct 10)

15. Explain how electro negativity values help to find out the

percentage of ionic character in Polar covalent bond. Page no:45

(Oct 08)

16. Explain the following i) dehydrating property of P2O5 Page no:60

ii) oxidizing power of fluorine. Page no:66

17. Discuss the property of interhalogen compound of AX3 and AX5

type Page no:71, 72

18. Write a note on halogen hydrides. Page no:66, 67


Hint: one question direct another indirect (or) twisted (or) two 3

marks combine (as 5 mark). Problem from Nuclear chemistry

as 65 (b) is chance. Writing both (a) and (b) are difficult. So

prepare well.

1. Differentiate nuclear reactions & chemical reactions.

Page no:137 (Mar 09)

2. Explain the terms (1) Neutral ligand (2) Chelates

(3) Co-ordination sphere (4) Central metal atom

(5) Co-ordination number Page no:117, 118(Oct 08)

3. Mention the uses of radio isotopes in study of hydrolysis of ester

and in mechanism of photosynthesis. Page no:142, 143(Oct 08)

98

4. Explain nuclear fission reaction with example.

Page no:139 (June 08)

5. Explain the geometrical Isomerism in co-ordination compound.

Page no:123 to 125

6. Explain the nuclear reaction that take place in sun.

Page no:142 (June 07)

7. Explain the principle underlying the function of hydrogen bomb.


8. Explain the postulates of valence bond theory.


9. Explain radio carbon dating. Mention the uses. Page no:141,142

(Mar 08, Oct 06 & 07, June 06, Mar 10, June 10, Oct 10)

10. Give the postulates of Werner's theory of co-ordination

compounds. Page no: 126 (June 06, 07 & 08, Oct 07 & 09)

11. Mention the function of hemoglobin in nature process?

Page no:131

12. Explain the uses of radioactive isotopes with specified examples.

Page no:143 (Mar 06, June 09)

13. What is controlled and uncontrolled fission reaction?

Page no: 139, 140

14. [Ni (CN)4]2- is diamagnetic whereas [Ni (NH3)4]2+ is paramagnetic.

Explain. Page no:128 (Mar 07, June 10)

15. [Cu (NH3)4]2+ is square planar, where as [Ni Cl4]2- Is tetrahedral

explain.

16. Difference between nuclear fusion and fission reactions (Oct 09)

17. Solved problems:

Example 3 Cobalt 60. 5.26 yrs (refer text book vol. I Page no 144)

Example 4 (refer text book vol. I Page no 145, 146)

18. In what way complex salt differ from double salt?

Page no:115, 116

19. Define (i) Target nuclear (ii) Recoiled nuclear

(iii) Ejected particle with example. Page no:138

20. Mention the type of hybridization and magnetic property of the

following complexes using VB theory: Page no:129

i) [FeF6]4- ii) [Fe(CN)6]4- (Mar 06)

21. Apply VB of find out the geometry of [Ni(NH3)4]2+ and calculate it‘s

magnetic moment. Page no: 128 (Oct 06).

22. Explain hydrate and linkage isomerism with suitable example.

Page no: 122 (Mar 10)

23. Explain coordination and ionization isomerism with suitable

example Page no: 121,122 (Oct 10)


Hint: Normally March question papers book back questions from

both units chance. So read all book back questions properly.

99

Even book back question in SURFACE CHEMISTRY twisted

(more chance)

1. Explain Bragg's spectrometer method. Page no:157

(Mar 08, June -06 & 09, Oct 06, 07 & 09, Mar 10)

2. Write a note on electro-osmosis. Volume II Pageno:40

(June 08, Oct 07)

3. Write briefly about the preparation of colloids by dispersion

method. Page no:34, 35 Volume II (Mar 08, June 06)

4. Explain the chemical methods of preparing colloids (or)

condensation method. Page no:35,36 Volume II

(June 07, Oct 06,June 10,Oct 10)

5. Explain the nature of glass. Page no: 162 (Mar 07)

6. What do you mean by ionic crystal? Write the properties of ionic

crystal. Page no: 158 (June 07)

7. Explain Schottky and Frenkel‘s defects in crystals. Page no:160

(Mar 06 & 09 Oct 08,June 10, Oct 10)

8. What are super conductors? Write their uses. Page no:161,162

(June 08)

9. Explain AB & AB2 type of ionic crystal with example. Page no:159

10. Write briefly on adsorption Theory of catalysis. Volume II

Page no:30, 31 (Mar 06 & 09)

11. Write briefly on intermediate compound functions theory with an

example. Page no: 30(Volume II) (Mar 07 & Oct 08)

12. Give any five differences between physical adsorption and

chemical adsorption. Page no:25 Volume II (June 09)

13. Write a note on; (a) Auto catalyst (b) Promoters Page no:28,29

Volume II (Oct 09)

14. Discuss factors affecting adsorption. Page no:25, 26 Volume II

15. Write a note on emulsion. Page no:42 Volume II

16. Explain Brownian movement and Tyndall effect. Page no:38

Volume II.

17. write a note on a)electro dialysis b)ultra filtration Page no:36,38

(Volume II)


Hint: Normally one question standard and another twisted (chance)

Problem also possible from electro chemistry II (Nernst based

problem)

1. Describe Daniel cell. Page no:83 (June 07, Oct 09)

2. Derive Nernst equation Page no:92 to 94

(June & Oct 08, June 06, June 10, Oct 10)

3. How is e.m.f of a half cell determined? Page no:86, 87 (Mar 08)

4. Describe Henderson equation for an acidic buffer solution?

Page no:70,71,72 (Mar 08, June 07, Oct 06)

5. Explain Oswald dilution law? Page no:52, 53

(Mar 06,Mar 07 , Oct 08)

100

6. Establish a relationship between free energy& e.m.f.

Page no:91, 92 (Oct 06 & 07, June 09)

7. Write the IUPAC convention of repetition of cell.

Page no:84 to 86 (Mar 06, 07 & 09, Mar 10)

8. Describe the construction and function of standard hydrogen

electrode. Page no:87, 88

9. Explain buffer action of acidic buffer with example. What is buffer

solution? Page no:69 and 70 (Oct 09)

10. Explain Quinonoid Theory of indicators.

Page no:76, 77 (Oct 07, June 08,Mar 09, Oct 10) 11. Explain Ostwald Theory of indicator. Page no75, 76(June 10) 12. Write the postulates of Arrhenius Theory of electrolytic

dissociation. Page no:49 to 51 (June 09,June 10)

13. How would you predict the displacement of one metal by another

metal? Page no: 90 14. State and explain Kohlraush‘s Law. Page no:61 15. Write any three applications of Nernst equation.

Page no:94,95,96 16. What is common ion effect? Give three examples. Page no:63 17. Give the evidence for Arrhenius Theory. Page no:51 and 52

(Mar 10) 18. How will you choose indicators for various types of titrations?

Explain with titration curve. Page no:74, 75


Hint: Normally one question standard and another twisted type.

Writing both the question is difficult. Convert the following

more chance from carboxylic acid

1. Convert; (1) Salicylic acid → methyl salicylate Page no:264

(2) Lactic acid → pyruvic acid Page no: 253

(3) Methyl cyanide →Acetamide page no :269

(4)Methyl acetate→ Ethyl acetate. Page no:268 (Mar 08)

2. What happens when Lactic acid is; Page no:253

(i) treated with dil. H2SO4

(ii) heated alone

(iii) oxidised with alkaline KMnO4? (Mar 07)

3. Describe the conformations of cyclohexanol. Comment their

stability. Page no: 108 (Mar 07,Mar 10,Oct 10)

4. Discuss the optical isomerism in tartaric acid.Page no:112,113

(June 06 & 08, Oct 08, Mar 09,June 10)

5. Distinguish between enantiomers from diastereomers. Give an

example each. Page no:114 (Mar 06 & 08)

6. Distinguish meso from with racemic form with suitable example.

Page no:113 (Oct 06)

7. Explain internal and external compensation with suitable

example. Page no:112, 113 (June 07)

101

8. Convert the following:

Salicylic acid → aspirin page no:263

Salicylic acid → 2, 4, 6, tribromophenol Page no:264

Salicylic acid → methyl salicylate.Page no: 264

Lactic acid →Lachide Page no:253 (June 06,June 10)

9. Write the mechanism involved in the esterification of carboxylic

acid with alcohol. Page no:246,247 (Mar 06,June 07, Mar 08)

10. Mechanism: Bromination of salicylic acid. Page no:263

(Oct 07 & 08)

11. Discuss the isomerism exhibited by carboxylic acid. Page no: 242

(Oct 06)

12. Write a note on Cis-trans Isomerism. Page no:103,104

(Oct 07 & 09, June 09)

13. Explain the Isomerism exhibited by di substituted benzene.

Page no:116 to 118

14. Explain i) Kolbe‘s electrolytic reaction Page no: 249 and ii) Trans

estertification reaction. Page no:268 (Mar 10)

15. How is Oxalic acid manufactured from Sodium Formate. Page

no:254, 255 (Oct 10)


Hint: One question standard and another twisted, more chance for

convert the following from organic nitrogen compounds.

1. How is the structure of glucose determined? Page no:320 to 322

(June 06, Mar 09, June 10)

2. Discuss the structure of fructose in detail. Pageno:320to322

(Mar 06 & 07, Oct 07 & 08, June 09, Oct 09,Oct 10)

3. Out line the classification of carbohydrates giving an example for

each. Page no:318to320 (Mar 08, June 07 & 08,Mar 10)

4. What is peptide bond? Illustrate the formation of peptide bond in

glycylalanine. Draw the structure of glucose and fructose.

Page no:327 (Oct 06)

5. Convert the following:

a) Nitro benzene → phenol hydroxylamine Pageno:284

b) Aniline → phenyl isocyanides Pageno: 301

c) Benzene diazonium chloride biphenyl Pageno:308

d) Nitro methane → methyl amine. Pageno:280

e) Methyl amine → methyl isocyanides pageno:294

(June 07, Oct 06)

6. Distinguish between primary, secondary& tertiary amine.

Pageno:295 (Mar 06 & 09, June 06 & 09, Oct 07 & 09,Mar 10,Oct 10)

7. Explain the Gabriel‘s phthalimide synthesis Pageno:291 and

mustard oil reaction. Page no:294 (Mar 09)

8. Mechanism of nitration of benzene. Page no 282 t0 283

9. Mechanism of Hoffman‘s bromamide reaction. Page no:290

10. How phenol, chlorobenzene, biphenyl prepared by using benzene

diazonium chloride. Page no:306,307,308(Mar 08)

11. Write a note on the reduction nitrobenzene under different

conditions. Page no:284, 285 (Mar 07,June 10)

12. Biological importance of lipids. Page no:328 (chance)

13. How does Nitric acid react with Primary, secondary and tertiary

Amine. Page no:294 (June 08)

102

14. Explain the following reaction aniline:

i) Coupling reaction Page no: 308 ii) Schotten-Baumaan

reaction Page no: 300 iii) Carbylamine reaction Page no: 294

15. Write a note on amino acids Page no: 326,327

16. Write a short note on i) starch ii) cellulose Page no: 325,326

17. Write a note on Iso-electric point and di-peptide. Page No. 327.

To solve 70.A and 70.C Organic problems from i) Hydroxy Derivatives ii)

Carbonyl Compounds iii) carboxylic acid iv) organic nitrogen

compounds(interrelated between all these four chapter’s)

Points to remember to solve70 A (or) 70 C. (Total - 28 points)

1. Alcohols when treated with sodium. Liberate hydrogen.

2.

3. Secondary alcohol gives ketone

4. Phenols give violet colour with neutral Fecl3

5. Phenols give a white precipitate when treated with bromine water

(test for phenols). Brown colour of bromine water disappears.

6. In Victor‘s Meyer‘s test → Primary alcohol gives red colour.

Secondary alcohol gives blue colour.

Tertiary alcohol gives no colour.

7. In Lucas test → Tertiary alcohol give turbidity immediately

Secondary alcohol give turbidity slow.

Primary alcohol give no turbidity

8. For a compound to give Iodoform test it should have either

CH3 — CH — group (or) CH3 — C — group.

| OH O

9. Decarboxylation is done by heating the compounds with soda

lime

10. Organic acid effervescence with sodium bicarbonate. (June-

2007)

11. Acetaldehyde, acetone, ethyl alcohol and acetophenone give

yellow precipitate with I2 and alkali

12. Benzaldehyde, formaldehyde, acetaldehyde and acetone

give addition compounds with sodium bisulphite

13. Amide or alkyl cyanide-give ammonia on hydrolysis

14. Aromatic fuming compound is benzoyl chloride and

aliphatic fuming compounds is acetyl chloride

15. Primary alcohols on oxidation give Aldehyde and Aldehyde

on oxidation give acids.

16. Secondary alcohols on oxidation give ketones and ketones

on oxidation give acids of lesser no. Of carbon atom.

17. Aldehydes on reduction primary alcohols ketones on

reduction secondary alcohols.

18. Acetaldehyde contains alpha hydrogen so it under go aldol

cond.

103

19. C6H5CHO, HCHO, CCl3 CHO have no alpha hydrogen so it

under go Cannizaro condensation.

20. A compound to undergo Iodoform reaction it should have

either CH3CH OH (or) CH3CO group (this point is important)

21. Benzaldehyde (a) it does not reduce Fehling’s solution.

(b) Used to prepare Malachite green dye.

22. Acetophenone (a) Used as hypnotic and perfumery.

23. In presence of dry HCl gas two molecules of acetone

condense to give phorone.

24. With conc. H2SO4 three molecules of acetone gives

mesitylene. (Oct 2009)

25. Benzophenone does not give bisulphate addition product

with NaHSO3.

26. Nitro benzene bitter almonds smell and called as oil of

mirbane.

27. Benzaldehyde bitter almonds smell but m.f.C7H6O. (Mar

2009)

28. Refer all naming reactions given in page no. 240 (Vol-2).

And Kolbe‘s mechanism (June 06, Mar 07). Claisen ester cond. Dry

distillation preparation of acetophenone and Benzophenone

(Mar- 08) Fenton‘s reagent (June 08). Baeyer‘s reagent (June 09).

Refer HYDROXY Derivatives to solve 70. A or70.C problems

1 Page No: 130-131 Ethyl alcohol reaction with sodium, Lucas

test, copper (June 06, 07 & 09, Mar 09)

2 Page No: 134-135 Ethyl alcohol reaction with acidified

KMnO4 Iodoform test. (June 06, 07, Mar 09)

3 Page No: 136-137 Victor Meyer‘s test. (Mar 07)

4 Page No: 147 Synthesis of Glycerol.

(general board exam paper Mar 07)

5 Page No: 152-153 Preparation of benzyl alcohol. Properties of

benzyl alcohol.

6 Page No: 154 Benzyl alcohol oxidation reactions.

7 Page No: 157 Preparation of phenol.

8 Page No: 152-153 Phenol reaction with NaOH and Na.

9 Page No: 165

(Very important)

Phenol on reaction with benzene diazonium

chloride, Kolbe Schmidt (or) Kolbe‘s reaction,

Riemer-Tiemann reaction. (Oct 07)

Refer carbonyl compounds to solve 70 (a) or (c) Problems

1 Page No: 200 Oxidation of alcohols→ acetaldehyde (or)

acetone

2 Page No: 211 Reaction with ammonia →

a)acetaldehyde b)formaldehyde c)acetone

3 Page No: 214-215

(very important)

Acetaldehyde (or) acetone reaction with

NaBH4 Clementon, Wolff Kishner, Tollen‘s,

Fehling‘s solution reaction

4 Page No:216-217

(very important)

Acetaldehyde answer with Tollen‘s and

Fehling‘s test, formaldehyde and acetaldehyde

polymerisation reaction (June- 2006,Mar-2009)

5 Page No: 219 Chemical properties of Benzaldehyde. (Mar 08)

6 Page No: 221 Benzaldehyde reaction with aniline,

104

(very important) Cannizaro reaction, Claisen, Benzoin

condensation. (Mar 06,Oct 06, June 08)

7 Page No: 222

(very important)

Perkins reaction, Knoevenagal reaction and

Benzaldehyde electrophilic substitution

reaction. (Mar-2006,Oct-2008)

8 Page No: 226-227

(Very important)

Acetone on reaction with oxidizing agents,

LAH, Clementon, Halo form reaction,

Ammonia, chloroform, preparation of Mesityl

oxide, phorone and with conc.H2SO4.

9 Page No: 229 Preparation of acetophenone, Clementon,

Wolff Kishner

10 Page No: 230-231 Preparation of benzophenone and its

properties

Refer Carboxylic acid to solve 70.A (or) 70.C problem

1 Page No: 243 to 245 Preparation of acetic acid, Formic acid.

2 Page No: 247 to 250

Chemical properties of acetic acid and

Formic acid, reducing properties of Formic

acid.

3 Page No: 252 to 253 Preparation and chemical properties of

lactic acid. (Oct 08)


oxalic and Succinic acid.

5 Page No: 259 to 261

Preparation, chemical properties till

electrophilic substitution of Benzoic acid.

(Mar 08)

6 Page No: 262

very important Kolbe‘s mechanism (Oct 06, Mar 07)

7 Page No: 263 to 264

very important Chemical properties of salicylic acid.

(Oct 06, Mar 07)


acetamide.

Refer Organic Nitrogen Compounds to solve 70.A (or) 70.C problem

1 Page No: 284 to 286 Chemical properties of nitro benzene till

electrophilic substitution reaction. (important)

2 Page No: 289 to 291 Preparation of amines. (repeated)

3 Page No: 293 to 295 Chemical properties of methylamine

(repeated)

4 Page No: 297 to 298 Chemical properties of benzyl amine.

5 Page No: 298 to 302 Preparation, chemical properties of aniline.

(repeated)

6 Page No: 304 Chemical properties of methyl cyanide

(repeated)

7 Page No: 306 to 308 Chemical properties of Benzene diazonium

chloride. (chance)

105

1. An organic compound (A) of molecular formula C7H6O is not reduced

by Fehling‘s solution but will undergo Cannizzaro reaction.

Compound (A) also reacts with Aniline to give compound (B).

Compound (A) also react with Cl2 in the presence of catalyst to give

compound (C). Identify (A),(B),(C) and explain the reaction. (Mar 06)

ANSWER: (A) Benzaldehyde (B) Benzanilide

(C)m-Chlorobenzaldehyde

2. An organic compound (A) C2H6O liberates hydrogen on treatment

with metallic sodium. (A) on mild oxidation gives (B) C2H4O which

answer iodoform test. (B) when treated with conc.H2SO4 undergo

polymerization to give (C), a cyclic compound. Indentify (A),(B),(C)

and explain the reactions.(June 06)

ANSWER: (A) Ethyl alcohol (B) Acetaldehyde (C)Paraldehyde

3. An organic compound A(C7H6O) reduces Tollen‘s reagent. On

treating with an alkali compound A form B and C. B on treating with

sodalime forms benzene and C(C7H8O) is an antiseptic. Identify

compounds A,B and C. Explain the reactions.(Oct 06).

ANSWER: (A) Benzaldehyde (B) Benzoic acid (C)Benzyl alcohol

4. An organic compound A of molecular formula C3H6O on reduction

with LiAlH4 gives B. Compound B gives blue colour in Victor meyer‘s

test and also forms a chloride C with SOCl2. The chloride on

treatment with alcoholic KOH gives D. identify A,B,C and D and

explain the reactions. (Mar 07).

ANSWER: (A) Acetone (B) Isopropyl alcohol (C) Isopropyl chloride

(D)Propylene

5. An organic compound (A) C3H8O answer Lucas test with in 5-10

minutes and on oxidation forms B (C3H6O). This on further oxidation

forms C (C2H4O2) which gives effervescence NaHCO3 . B also

undergoes iodoform reaction. Identify A,B and C. Explain the

coversion of A to B and C. (June 07).

ANSWER: (A) Iso-propyl alcohol (B) Acetone (C) Acetic acid

6. An organic compound (A) of molecular formula C6H6O gives violet

colour with neutral FeCl3. (A) gives maximum of two isomers (B) and

(C) when an alkaline solution of (A) is refluxed with CCl4. (A) also

react with C6H5N2Cl to give the compound (D) which is red orange

dye. Identify (A),(B),(C) and (D). Explain with suitable chemical

reactions.(Oct 07)

ANSWER: (A) Phenol (B) O-Salicyclic acid (C) p-Salicyclic acid (D)p-

Hydroxy azo benzene

7. Compound A with molecular formula C3H6 is obtained from

Petroleum. When A is treated with chlorine at 773 K compound B of

molecular formula C3H5Cl is obtained. When B is treated with

106

Na2CO3 solution at 773/12 atm. It gives the compound C with

molecular formula C3H6O, Con treatment with HOCl followed by

hydrolysis with NaOH give D having molecular formula C3H8O.

compound C on treatment with 50% caustic soda gives compound B

and also D. Find A,B,C and D. Explain the reaction.(Mar 08)

ANSWER: (A) Propyl (B) Allyl chloride (C)Allyl alcohol (D) Glycerol

8. Compound A of molecular formula C7H8 is treated with chlorine and

then with NaOH to get compound B of molecular formula C7H8O. B

on oxidation by acidified K2Cr2O7 gives compound C of molecular

formula C7H6O. Compound C on treatment with 50% caustic soda

gives the compound B and also D. Find A,B,C and D. Explain the

reaction.(June 08)

ANSWER: (A) toluene (B) Benzyl alcohol (C) Benzaldehyde

(D) Sodium Benzoate

9. An organic compound (A) C7H8O liberates hydrogen with metal

sodium. (A) on treatment with acidic potassium dichromate give (B)

(C7H6O). Compound (B) when treated with conc.N2H4 & NaOH /KOH

gives (A). (B) with acetic anhydride in the presence of Sodium acetate

gives (C) of molecular formula (C9H8O2). Identify (A),(B) and (C).

Explain the reaction revolved. (Oct 08)

ANSWER: (A)Benzyl alcohol (B)Benz aldehyde (C)Cinnamic acid

10. Two isomers (A) and (B) have the same molecular formula C4H10O.

(A) when heated with copper at 573K gives alkene (C) of molecular

formula C4H8.(B) on heating with copper at 573K gives (D) of

molecular formula C4H8O which does not reduces Tollen‘s reagent

but answer iodoform test. Identify (A),(B),(C) and (D) and explain the

reactions.(Mar 09)

ANSWER: (A)Tertiary butyl alcohol (B)Secondary butyl alcohol

(C)Isobutylene (D) Ethyl methyl ketone.

11.An organic compound (A) C3H8O answer Lucas test within 5-10 min

On oxidation form (B) C3H6O. (B) on further oxidation forms (C)

C2H4O2 which gives effervescence with NaHCO3.(B) also undergoes

Iodoform reaction. Identify A,B,C. Explain the reaction involved.

(June 09)

ANSWER: (A) Iso-propyl alcohol (B) Acetone (C) Acetic acid

12. Compound (A) of molecular formula C3H8O liberates hydrogen

With sodium metal.(A) with P/I2 gives (B). Compound (B) on

Treatment with silver nitrate gives (C) which gives blue color with

Nitrous acid. Identify (A),(B),(C) and explain the reaction.(Oct 09)

ANSWER: (A)2-propanol (B)2-iodopropane (C)2-nitro propane.

13. Compound (A) with molecular formula C6H6O gives violet colour

With neutral FeCl3. Reacts with CHCl3 and NaOH and gives two

Isomer‘s (B) and (C) with molecular formula C7H6O2.

Compound (A) reacts with ammoniaat 473 K in the presence of

ZnCl2and gives compound (D) with molecular formula C7H7N.

107

Compound (D) with molecular formula C7H7N. compound (D)

Undergoes carbylamines test. Identify (A),(B),(C) and (D) and

Explain the reactions.(Mar 10)

ANSWER: (A)phenol (B)O-hydroxy benzaldehyde (C)p-

hydroybemaldehyde (D) Aniline.

14. An organic compound C6H6O (A) reacts with Al2O3 at 620K and

Gives (B) of molecular formula C2H4. (B) reacts with cold alkaline

KMnO4(Baeyer‘s reagent) to give (C) of molecular formula C2H6O2.

Identify (A),(B) and (C) and explain the reaction.(June 10)

ANSWER: (A) Ethyl alcohol (B) ethylene (C)Glycol

15. An organic compound (A) (C6H6O) gives maximum of two isomers

(B) and (C) when an alkaline solution of (A) is refluxed with

Chloroform. (B) on oxidation gives acid (D). The acid (D) is also

Obtained by treating sodium salt of (A) with CO2 under pressure

Followed by hydrolysis. Identify the compound (A),(B),(C) and (D)

And explain proper chemical reactions.(Oct 10)

ANSWER: (A)phenol (B)O-hydroxybenzaldehyde

(C)p-hydroxybenzaldehyde (D) salicylic acid.

1. An organic (A) of molecular formula C3H8O gives turbidity within

5-10 min on reaction with anhydrous ZnCl2/HCl. Compound (A)

On treatment with sodium hypochlorite gives a carbonyl

Compound (B) which on further chlorination gives compound (C)

Of molecular formula C3H3OCl3. Identify (A),(B),(C). explain the

Reaction. (Mar 06).

ANSWER: (A)isopropyl alcohol (B)Acetone (C)trichloroacetone

2. An organic compound (A) of molecular formula C2H6O on

Treatment with PCl5 give compound (B). compound (B) reacts

With KCN to gives a compound (C) of molecular formula C3H5N

Which undergoes acid hydrolysis to give compound (D) which on

Treatment with sodalime gives a hydrocarbon. Identify (A),(B),(C)

And (D) and explain the reaction.(June 06).

ANSWER: (A)ethyl alcohol (B) ethyl chloride (C) ethyl cyanide

(D) propanoic acid (hydrocarbon is ethane obtained from

(D) propanoic acid)

3. An organic compound (A) of molecular formula C6H6O gives violet

colouration with neutral FeCl3. Compound A on treatment with

metallic Na gives compound B. Compound B on treatment with CO2

at 400K under pressure gives C. This product on acidifcication gives

compound D(C7H6O3) which is used in medicine. Identify A,B,C and

D and explain the reactions. (Oct 2006)

ANSWER: A:Phenol, B:Sodium Phenoxide C:Sodium Salicylate

D:Salicyclic acid

4. An Organic compound A(C6H60) gives maximum of two isomers B

and C when an alkaline soultion of A is refluxed with chloroform at

330K. B on Oxidation gives an acid D. The acid D is also obtained

by treating sodium salt of A with CO2 under pressure. Identify

A,B,C and D and explain the reactions.(Mar 2007)

ANSWER: (A) Phenol, (B) o-Hydroxybenzaldehyde (C) p-

Hydroxybenzaldehyde (D) Salicylic acid.

5. An organic compound A(C7H60) forms a bisulphate. A when treated

with alcoholic KCN forms B(C14H12O2) and A on refluxing with

sodium acetate and acetic anhydride forms an acid C(C9H8O2).

108

Identify A,B and C. Explain the conversion of A to B to C.(June

2007)

ANSWER: A: Benzaldehyde B:Benzoin C:Cinnamic Acid

6. An organic compound aldehyde (A) of molecular formula C7H6O

which has the smell of bitter almonds on treatment woth (CH3CO)2O

and CH3COONa to give compound (B) which is an aromatic

unsaturated acid. (A) also reacts with (A) in the presence of

alcoholic KCN to give dimmer (C). Identify (A), (B) and (C). Explain

the conversion of A to B to C. (Oct 2007.

ANSWER: A:Benzaldehyde B:Cinnamic Acid C:Benzoin

7. Compound A with molecular formula C7H6O reduces Tollen‘s

reagent and also give Cannizzaro reaction. A on oxidation gives the

compound B with molecular formula C7H6O. Calcium salt of B on

dry distillation gives the compound C with molecular formula

C13H10O. Find A,B and C. Explain the reaction. (Mar 2008)

ANSWER: A:Benzaldehyde B:Benzoic Acid C:Benzophenone.

8. Compound A having the molecular formula C2H4O reduces Tollen‘s

reagent. A on treatment with HCN followed by hydrolysis gives the

compound B with molecular formula C3H6O3. Compound B on

oxidation by Fenton‘s reagent gives the compound C with molecular

formula C3H4O3. Find A,B and C. Explain the reactions (June 2008

and Oct 2008)

ANSWER: A:Acetaldehyde B:Lactic Acid C:Pyruvic Acid.

9. An organic compound (A) with molecular formula C7H6O has the

smell of bitter almonds. (A) reacts with Cl2 in the absence of a

catalyst to give (B) and in the presence of catalyst compound (a)

reacts with Chlorine to give (C). Identify (A), (B) and (C). Explain the

reactions. (Mar 2009)

ANSWER: A:Benzaldehyde B:Bencoyl Chloride C:m-Chloro

Benzaldehyde.

10. An Aromatic compound (A) with molecular formula C2H6O

liberates hydrogen with metallic sodium. Compound (A) on heating

with excess of conc.H2SO4 at 440K gives an alkene (B). Compound (B)

when oxidized by Baeyer‘s reagent gives compound (C). Identify A,B,C

and explain the above reactions.(June 2009)

ANSWER: A:Ethyl Alcohol B:Ethylene C:Ethyl Glycol.

11.An organic compound (A) C2H3OCl on treatment with Pd and BaSO4

gives (B) C2H4O which answers iodoform test. (B) when treated with

conc. H2SO4 undergoes polymerization to give (C) a cyclic compound.

Identify (A), (B) and (C) and explain the reaction.(Oct 2009)

ANSWER: A:AcetylChloride B:Acetaldehyde C:Paraldehyde

12.Compound (A) with molecular formula C2H4O reduces Tollen‘s

reagent (A) on treatment with HCN gives compound (B). Compound (B)

on hydrolysis with an acid gives compound (C) with molecular formula

C3H6O3. Compound (C) is optically active. Compound (C) on treatment

with Fenton‘s reagent gives compound (D) with molecular formula

C3H4O3. Compounds (C) and (D) give effervescence with NaHCO3

solution. Identify the compounds (A), (B), (C) and (D) and explain the

reaction.(Mar 2010)

109

ANSWER: A:Acetaldehyde B:Acetalcyanohydrin C:Lactic Acid (Optically

active)

13.Compound (A) of molecular formula C7H8 when treated with air in

presence of V205 at 773K gives a compound (B) of molecular formula

C7H6O , which has the smell of bitter almonds. Alkaline KMnO4

oxidizes compound (B) to (C) of molecular formula C7H6O2.Compound

(B) on treatment with N2H4 and KOH gives back compound (A). Identify

(A), (B) and (C) and explain the reaction.(June 2010).

ANSWER: A:Toluene B:Benzaldehyde C:Benzoic Acid

14.An Organic Compound (A) with molecular formula C3H6O

undergoes iodoform reaction. Two molecules of compound (A) react

with dry HCl to give compound (B) (C6H10O). Compound (B) reacts with

one more molecule of compound (A) to give compound (C) (C9H14O).

Identify (A), (B) and (C). Explain the reaction. (Oct 2010)

ANSWER: A:Acetone B:Mesityloxide C:Phorone.

Refer D-block (or) P-block to solve 70 (b) Problem From D-block

Refer page No. from (Vol-1) reprint edition 2009

1. Copper – period no-4 group no-11 a reddish brown metal Page

No: 88 properties of Copper with air, action of heat, action with

dil. Or Conc.HNO3. (Mar-2006,2007;Oct-2007)

2. Chromium– period no-4 group no-6 a silvery white metal Page

No:91 properties of Chromium with air, water, acids .(June 07)

3. Zinc– period no-4 group no-12 a bluish white metal Page No: 94

properties of zinc with air, dil.HNO3, NaOH. (Oct 06, 08, 09, June 08)

4. Silver – period no-5 group no-11 a white lustrous metal Page

No: 96 properties of silver with acids. (Mar-2008)

5. Gold – period no-6 group no-11 a lustrous yellow metal

6. Potassium dichromate-action of heat, action with NaOH,

oxidizing properties, red orange in colour and used in leather

industry Page No: 99-100

7. Blue vitriol (very important) action of heat, action with NaOH,

H2S with ammonia, KI, KCN pg. no 101-102. (Mar 07, June 09)

(refer book back problem)

8. Silver nitrate action of heat (repeated), action with organic

compounds used in marking inks and hair dyes Page No: 102-

103 (Mar-2008, 2009, June-2006)

9. Zinc carbonate- preparation, action of heat (repeated) used in

making ointment for curing skin diseases Page No: 103. (Oct 06)

70 (b) Problem from P-block (less chance)

1. Lead¸ action with water, acid, chloro plumbic acid, tetra-ethyl

lead Page No: 55

2. Compounds of phosphorus chemical properties of PCl3 or PCl5

Page No: 57-58

110

3. Fluorine action with water and hydrogen. Page No: 73

1. An element (A) belongs to group number 11 and period number

4. (A) is a reddish metal. (A) reacts with HCl in the presence of

air and gives compound (B). (A) also reacts with conc.HNO3 to

give compound (C) with the liberation of NO2. Identify (A), (B) and

(C). Explain the reactions. (Mar 2006)

ANSWER: A:Copper B:Copper Chloride C:Copper Nitrate.

2. Silver reacts with dil.HNO3 to give compound (A) which on

heating at 723K gives (B). (B) on further heating gives (C).

Further compound (A) reacts with KBr and gives (D) which is

highly useful in photography. Identify (A), (B), (C) and (D) and

write the reactions (June 2006)

ANSWER: A:Silver Nitrate B:Silver Nitrile C:Silver and NO2 D:Silver

Bromide.

3. The Sulphide ore of an element of group 12 when roasted gave

compound (A) which on reduction with carbon gave the element

(B). The carbonate (C) of this element is used for skin diseases.

Identify (A), (B) and (C) and write the required reaction. (Oct

2006)

ANSWER: A:Zinc Oxide B:Zinc C:Zinc Carbonate.

4. An element A occupies group number 11 and period number 5.

This metal is extracted from its mixed sulphide ore B. A reacts

with dil.H2SO4 in presence of air and forms C which is

colourless. With water C gives a blue compound D. Identify A,B

and C. and Explain the reactions.(Mar 2007)

ANSWER: A:Copper B:Copper Pyrites C:Copper Suphate D:Copper

Sulphate Pentahydrate.

5. An element (A) belonging to group 6 and period 4 is silvery white

in colour. Red hot, A decomposes steam liberating hydrogen and

forming B. A also reacts with conc.Suphuric acids forming C

with evolution of SO2. Identify A, B and C. Explain the two

reactions. (June 2007)

ANSWER: A:Chromium B:Chromic Oxide C:Chromic Sulphate.

6. An element (A) belonging to group No.11 and period No.4 is

extracted from pyrite ore. (A) reacts with oxygen at two different

temperatures forming compounds (B) and (C). (A) also reacts

with conc.HNO3 to give (D) with the evolution of NO2. Find out

(A), (B), (C) and (D). Explain the reactions. (Oct 2007)

ANSWER: A:Copper B:Cupric Oxide C:Cuprous Oxide D:Cupric

Nitrate.

7. The metal B is extracted from the ore A. On treatment with

dil.Nitric acid, metal B gives a compound C, which is also known

as Lunar Caustics. The compound C on treatment with KI gives

a yellow precipitate D. Find A, B, C and D. Explain the reactions

of formation of C and D.(Mar 2008)

ANSWER: A:Silver Glance B:Argentite B:Slver C:Silver Nitra te (or)

Lunar Caustic. D:Silver Iodide.

8. A bluish white metal A present in 4th period and 12th group on

heating in air gives a white cloud B. Metal A on treatment with

conc. H2SO4 gives the compound C and SO2 gas. Find A, B and

C. Explain the reactions. (June 2008)

ANSWER: A:Zinz B:Zinc Oxide C:Zinc Sulphate.

9. An element belonging to Group 12 and Period 4 is bluish white

in colour. (A) reacts with hot conc. H2SO4 forming (B) with

111

liberation of SO2. (A) also reacts with dil HNO3 forming (C) with

liberation of N2O. Identify (A), (B) and (C). Explain the reaction

involved. (Oct 2008)

ANSWER: A:Zinc B:Zinc Sulphate C:Zinc Nitra te.

10. Silver Reacts with dil. HNO3 to give compound (A), which on

heating at 723 K gives compound (B). (B) on heating gives

compound (C). Compound (A) reacts with KBr and gives (D) which is

highly useful in photography. Identify (A), (B), (C) and (D). Explain

the reactions. (Mar 2009)

ANSWER: A:Silver Nitrate B:Silver Nitrile C:Silver and NO2 D:Silver

Bromide.

11. Compound A is a sulphate compound of group II element. This

compound is also called as a blue Vitriol. The compound undergoes

Decomposition at various temperatures. (June 2009)

A ------→ B ------→ C ------→ D 100C 230C 720C

Identify the compounds A, B, C and D and give equations.

ANSWER: A: Copper Sulphate Pentahydrate B:Copper Sulphate

Monohydrate C:Copper Sulphate D:Cupric Oxide.

12.A bluish white metal when treated with dilute nitric acid gives

(A) along with zinc nitrate and water. With very dilute nitric acid it

gives (B) along with zinc nitrate and water. The metal when heated

with air gives (C). What are (A), (B) and (C)? Explain the reactions.

(Oct 2009)

ANSWER: A: Nitrous Acid B:Ammonium Nitrate C:Zinc Oxide.

13. An element (A) belonging to group No.11 and period No.4 is

extracted from pyrite ore. (A) reacts with oxygen at two different

temperatures forming compounds (B) and (C). (A) also reacts with

conc.HNO3 to give (D) with the evolution of NO2. Find out (A), (B),

(C) and (D). Explain the reactions. (Mar 2010)

ANSWER: A:Copper B:Cupric Oxide C:Cuprous Oxide D:Cupric

Nitrate.

14. An element A occupies group number 11 and period number 5.

This metal is extracted from its mixed sulphide ore B. A reacts with

dil.H2SO4 in presence of air and forms C which is colourless. With

water C gives a blue compound D. Identify A,B and C. and Explain

the reactions.(June 2010)

ANSWER: A:Copper B:Copper Pyrites C:Copper Suphate D:Copper

Sulphate Pentahydrate.

15.An element (A) Belongs to group 11 and period number 5 and is

a lustrous white metal. (A) reacts with dil.HNO3 to give (B), (B) with

KI gives (C) which is a bright yellow coloured precipitate. Identify

(A0, (B) and (C). Explain the reactions. (Oct 2010)

ANSWER: A:Silver B:Silver Nitrate (Lunar Caustics) C:Silver Iodide.

1. What is the pH of a solution containing 0.5 M propionic acid and

0.5 M sodium propionate? The Ka of propionic acid is 1.34x10-5.

(Mar 2006)

ANSWER: Refer Textbook Vol.II Page No.: 73 (Example 2)

2. Find the pH of a buffer solution containing 0.20 moles per liter

sodium acetate and 0.15 mole per litre, Ka for acetic acid is 1.8 x

10-5. (June 2006)

ANSWER: Refer Textbook Vol.II Page No. 72 and 73 (Example 1)

112

3. Find the pH of a buffer solution containing 0.20 mole per litre

sodium acetate and 0.15 mole per litre acetic acid. Ka for acetic

acid is 1.8 x 10-5. (Oct 2006)


4. Calculate the pH of a buffer solution containing 0.04M NH4Cl

and 0.02 M NH4OH. For NH4OH Kb is 1.8 x 10-5. (Mar 2007)

ANSWER: pKb = 4.7445, pOH-5.0456, pH=8.9544.

5. Equivalent conductivity of acetic acid at infinite dilution is

390.7. For 0.1M acetic acid, the equivalent conductance is 5.2

mho cm2 gm equiv-1. Calculate the degree of dissociation and

hydrogen ion (H+) concentration. (June 2007)

ANSWER: Refer Textbook Page No.: 61 in Vol.I (Example 3)

6. Calculate the pH of a buffer solution containing 0.2 mole per

litre CH3COONa and 0.15 mole per liter CH3COOH. Ka For

acetic acid is 1.8 x 10-5. (Oct 2007)

ANSWER: Refer Textbook Vol.II Page No. 72 and 73 (Example 1)

7. An electric current is passed through three cells in series

containing respectively the solutions of copper sulphate, silver

nitrate and potassium iodide. What weights of silver and iodine

will be liberated while 1.25gm of copper is being deposited? (Mar

2008)

ANSWER: Refer Textbook Vol.II Page No.:56 (Example 4).

8. The equivalent conductance of HCl, CH3COONa and NaCl at

infinite dilution are 426.16, 91.0 and 126.45 ohm-1 cm2 (gram

equivalent)-1 respectively. Calculate the equivalent conductance

of acetic acid. (June 2008)

ANSWER: Refer Textbook Problem in Vol.II Page 81, Problem No. 10.

9. Find the pH of a buffer solution containing 0.30 mole per litre of

CH3COONa and 0.15 mole per litre of CH3COOH. Kα for acetic

acid is 1.8 x 10-5. (Oct 2008)

ANSWER: pKa = 4.7447, pH=5.0457.

10. 0.1978g of copper is deposited by a current of 0.2 ampere in 50

minutes. What is the electrochemical equivalent of copper? (Mar

2009).

ANSWER: Refer Textbook Vol.II Page no: 55 (Example 2).

11. Calculate the pH of 0.1M CH3COOH solution. Dissociation

constant of acetic acid is 1.8 x 10-5. (June 2009)


12. 0.04N solution of a weak acid has a specific conductance of

4x10-4 mho cm-1. The degree of dissociation of the acid at this

dilution is 0.05. Calculate the equivalent conductance of the weak

acid at infinite dilution. (Oct 2009)

ANSWER: λc = 10 mho cm2 equiv-1, λ∞ = 200 mho cm2 g equiv-1.

13. Ionic conductances at infinite dilution of Al3+ and SO42- are

189 ohm-1 cm2 gm equiv-1. Calculate equivalent and molar

conductance of the electrolyte at infinite dilution. (Mar 2010)


14. What is the pH of a solution containing 0.5 M propionic acid

and 0.5 M sodium propionate? The Ka of propionic acid is

1.34x10-5. (June 2010)


___________________________________________________________________

113

Example to draw compulsory problems 70(a) or (c)

S. No. Compound Given formula

Identified(or)

structural

formula

Name

1 A

2 B

3 C

Note: Write correct naming reactions and explain briefly,

(which is A, B, etc..,) later draw the above mentioned

table.

Example to draw compulsory problem 70(b)

S. No. Element(or)

compound

Symbol

(or)molecular

formula

Name

1 A

2 B

3 C

Note: write correct balanced equations and explain briefly,

(which is A, B, etc..,) later draw above mentioned table

Total Question paper 43 marks problems out of 233 marks.

Note for One mark

Question No: 1 to 30

Out of 30 questions, problem type‘s questions are 4.

Distribution of questions: Inorganic - 10

Organic - 10

Physical - 10

Inorganic: Atomic structure, nuclear chemistry periodic classification.

(Chances for problem).

Organic: Organic nitrogen compounds (chances for problem)

Physical: Thermodynamics, Chemical equilibrium, E.C 1, Chemical

kinetics (chances for problem).

Note for Three mark

Question No: 31 to 51

Out of 21 questions, problem type‘s questions are 3.

15 have to be answered

7 inorganic & 7physical & 7 organic

Problems:

114

Inorganic – Chance from Atomic structure, Periodic Classification and

Nuclear Chemistry.

Organic – Chance from Organic nitrogen compounds.

Physical – Chance from Solid state, Thermodynamics, Chemical

equilibrium, Chemical kinetics and E.C 1

Note for five mark

Question No: 52 to 63 (2 problems)

Section A – Inorganic 4Q (52 - 55) chance for one problem type or

twisted type question from Atomic structure or coordination

compounds

Chance for Extraction (or) chemical properties of elements

(or) compounds from D block.

Section B – Physical 4Q (56 - 59) chance for problem from E.C 2,

Chemical equilibrium (or) Chemical Kinetics.

Section C– Organic 4Q (60 - 63) one mechanism from Carbonyl or

Carboxylic acid.

Note: For ten marks to write any three from 64 to 69 both sub division

(a&b) finds some time difficult to write. Don‘t skip any questions given

from Q. no 64 to 69 from the material its must.

______________________________________________________________________

Jai Guru Dev

SGK MODEL QUESTION PAPER (For Practice)

[TIME ALLOWED: 3 HOURS] [MAXIMUM MARKS= 150]

PART-I

NOTE: (i) Answer all the questions

(ii) Choose and write the correct answer

1. If the energy of an electron in the second Bohr orbit of H-atom is –E, what is the energy of the electron in the Bohr’s first orbit?

a) 2E b)-4E c)-2E d) 4E

2. The particle character of an electron is explained by

a) Interference b) Diffraction

c) G.P.Thomson’s experiment d) J.J.Thomson’s experiment

3. Across the period, electron affinity

a) Decreases b) increases

c) Decreases and then increases d) increases and then decreases

4. Lead is mainly extracted from

a) PbO b) PbCO3 c) PbSO4 d) PbS

5. Silver salt is used in photography is

a) AgCl b) AgNO3 c) AgF d) AgBr

115

6. The alloy used in surgical instruments is

a) German Silver b) Invar c) Stellite d) Stainless steel

7. Lanthanides are separated by

a) Fractional distillation b) steam distillation

c) Fractional crystallization d) sublimation

8. ___________ is used in tracer bullets.

a) Ceria b) Thoria c) Pyrophoric alloy d) mish metals

9. In photosynthesis, chlorophyll act as

a) An oxidising agent b) a light sensitizer

c) An electron carrier d) a colouring matter

10. The reaction 5B8------------>4Be8 takes place due to

a) alpha-decay b) beta-decay c) gamma-emission d) Positron decay

11. An example for Frenkel defeat is

a) NaCl b) AgCl c) CsCl d) FeS

12. In an adiabatic process which of the following is true?

a) q=w b) q=∆0 c) E=∆q d) pv=0

13. Which one is state function?

a) H b) S c) q d) both a and b

14. State of chemical equilibrium is

a) Dynamic b) Decreases c) Increases d) Becomes Zero

15. In Haber’s process ammonia formed is removed by a) High amount of H2 and N2 b)Fe/Mo c)H2O d)steam

16. Extra plotting the upper arm of the plot of log vs. I/T gives

a) A b) In A c) log A d) –log A

17. Oil of mirbane is

A) Nitrobenzene B) Benzaldehyde C) Methyl Salycilate D) Aspirin

18. Fog is the dispersion of

a) Solid in gas b) liquid in gas c) gas in liquid d) gas in solid

19. Colloidal antimony is used in curing

a) Malaria b) Jaundice c) Kalazar d) Headache

20. The specific conductance of a 0.01 M solution of KCl is 0.0014 ohm-1 cm-1 at

25˚C. Its Equivalent Conductance is a) 14 ohm-1 cm2 eq-1 b.)140 ohm-1 cm2 eq-1

c.) 1.4 ohm-1 cm2 eq-1 d.)0.14 ohm

21. The alcohol obtained by the hydrolysis of oils and fats is

a) Pentanol b) Propanol c) glycerol d) glycol

22. Intermolecular hydrogen bonds are not present in

a) CH3COOH b) C2H5 O C2H5 c) CH3CH2OH d) C2H5NH2

23. Phenetole is

116

a) Aromatic mixed ether b) aliphatic mixed ether c) aliphatic simple ether d) aromatic simple ether

24. Formaldehyde polymerises to give

a) Paraldehyde b) paraformaldehyde c) formalin d) formic acid

25. Which of the following are compounds will react with NaHCO3 solution to give sodium salt and CO2?

a) Acetic acid b) n-hexanol c) phenol d) both (a) and (c)

26. Bromo ethane reacts with silver nitrite to give

a) C2H5NO2 b) C2H5-O-NO c) C2H5Ag + NaBr d) C2H5NC

27. Which one of the following is a secondary amine?

a) Aniline b) diphenyl amine c) sec.butyl amine d) tert.butyl amine

28. Mustard oil reaction converts primary amine to

a) Isocyanate b) isothiocynate c) Schiff’s base d) alcohol

29. Proteins are not sensitive to

a) Acids b) bases c) elevated temperature d) water

30. Which contains a long chain ester

a) Wax b) cooking oil c) turpentine oil d) cellulose

PART II

Note: i) Answer any fifteen questions.

ii) Each answer should be in one or two sentences. 15x3=45

31. State Heisenberg’s uncertainty principle. 32. Why be and Mg has almost zero B A? 33. Why H2O is a liquid while H2S is a gas? 34. What is the action of heat on Phosphine? 35. Why Zn2+ salts are white while Ni2+ salts are coloured? 36. What is aquaregia? Give the reaction of Au with aqua regia. 37. What is spallation reaction? 38. Write the significance of Bragg’s equation. 39. Give the Kelvin-Planclc statement of second law of thermodynamics. 40. Dissociation of PCl5 decreases in presence of increase in Cl2 why? 41. What are parallel reactions? Give an example. 42. The rate constant of a reaction is 1.54 X 10 -3 sec. Calculate t ½. 43. What is Helmholtz double layer? 44. What is Kohlransch’s law? 45. Distinguish between racemic and mesoform. 46. Why Glycol is hygroscopic in nature? 47. How is glycerol synthesized from propylene? 48. How will you prepare Malachite green from Benzaldehyde? 49. What are the uses of benzoic acid? 50. Compound A is yellow coloured liquid and it is called oil of mirbane

A. On reduction with Sn/HCl gives B. B answers to carbonyl amine test? What are A and B?

51. What are antispasmodics?

PART III

Note: i) Answer any seven questions choosing at least two questions

from each Section.

Section A

52. Discuss shapes of p and d orbitals.

117

53. How is silver extracted from its chief ore? 54. Mention the oxidation state and any three uses of Lanthanides. 55. [Ni (CN) 6]2- is square planar whereas [Ni (NH3)4]2+ is tetrahedral.

Explain.

Section B

56. What are characteristics of entropy? 57. Derive the expression for kc and kp for the decomposition of PCl5. 58. Explain the experimental determination of rate constant for decomposition of H2O2 in aqueous solution. 59. What is the potential of a half-cell consisting ZnC electrode in 0.01M ZnSO4, solution at 25`C and B`C= 0.7862 K.

Section C

60. Discuss the isomerism exhibited by ethers. 61. Distinguish between Acetaldehyde and acetone. 62. Discuss the mechanism of Bromination of salicyclic acid.

63. How are Buna S and Nylon 66 prepared?

PART-IV

Note: i) Answer four questions in all.

ii) Question No.70 is compulsory and answer any three from the

remaining.

64. a) Explain various factors that affect electron affinity.

b) Discuss the structure of inter halogen compounds of AX3 and AX5

type. 65. a) State the postulates of Werner’s theory. b) How are radioactive isotopes useful in medicine? 66. a) Write the properties of ionic crystals. b) Write briefly about the adsorption theory of catalysis. 67. a) Derive Henderson equation. b) Establish a relationship between free energy and emf. 68. a) Write a short account on cis-trans isomerism. b) Account for the reducing properties of formic acid.

69. a) How are the following conversions carried out?

i) Nitro methane to methyl amine ii) Methyl amine to methyl

isocyanide iii) Benzene Diazonium chloride to biphenyl.

b) Outline the classification of carbohydrates giving example for each.

70. a) An organic compound A of molecular formula C3H6O on reduction with LiAlH4 gives B. Compound B gives blue colour in Victor Meyers test and also forms a chloride C with SOCl2. The chloride on treatment with alcoholic KOH gives D. Identify A, B, C and D and explain the reactions.

b) An element A is obtained from argentite ore. A reacts with conc.H2SO4 to give compound B. A also reacts with Cl2 to give compound C. Find

118

out A,B and C. Explain the reactions involved. Write any two uses of

element A.

(Or)

c) An organic compound A (C7H6O) has a bitter alcoholic almond shell. With ammonia A gives B (C21H18N2) with aqueous alcoholic KCN A gives C (C14H12O2) with aromatic tertiary amine A gives (C23H26N2). What are A, B, C and D and explain the reactions.

d) The resistance of a 0.01 N solution of an electrolyte was formed to 210 ohm at 25`C using a conductance cell with a cell constant 0.88 cm-1. Calculate the specific conductance and equivalent conductance of the solution.

Prepared By,

S.Karthikeyan, M.Sc, B.Ed,

Maharishi Vidya Mandir,

Cell: 9842029967

HOSUR – 635 109 (Krishnagiri Dist.)

All the Best!

sgk physics and chemistry material 2011

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