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Upper 6 Scheme of Work

Term 1

Unit 2

Week Objective Lab Evaluation

1 Apply appropriate concepts to the analysis ofscientific data.

Carry out experiments to assess the degree of

uncertainty in la e!uipment.

Select appropriate pieces of e!uipment to take

measurements depending on the accuracy

re!uired.

"xplain the asic principles of titrimetric

analyses.

#iscuss the criteria used in selecting primary

standards.

Use data from potentiometric$ conductrimetricand thermometric titrations.

%erform calculations ased on data otained

from titrimetric analyses.

Cite examples of the use of titrimetric analysis in

!uantification of sustances.

Uncertainty in&easurements.

&oles Unit 2'orksheet.

2 Carry out experiments ased on titrimetric

analyses.

"xplain the principles upon 'hich gra(imetric

analyses are ased.

#escrie the functions of the (arious pieces of

e!uipment are used in gra(imetric analyses. %erform calculations ased on data otained

from gra(imetric analyses.

Cite examples of the use of gra(imetric analysis

in !uality control.

)ack titration. *uestions.

+ "xplain the nature of electromagnetic radiation.

State the approximate 'a(elength ranges of the

,-ray$ U/0S$ 0 and radiofre!uency regions of

the electromagnetic spectrum.

ecall that energy le(els in atoms and molecules

are !uantied.

edox titration.

3 "xplain the origin of asorption in U/0Sspectroscopy.

"xplain 'hy some species asor light in the

U/0S region 'hereas others do not.

#escrie the asic steps in(ol(ed in analying

samples y U/0S spectroscopy.

4ra(imetric analysis. %ast paper!uestions

5 Use )eer-amert7s la' to calculate the

concentration of a gi(en species in solution.

ist examples of the use of U/0S spectroscopy

in the !uantitation of sustances.

U/0S

spectroscopy.

6 "xplain the origin of asorption in 0

spectroscopy. #escrie the asic steps in(ol(ed in analying

samples y 0 spectroscopy.

Comment on the limitations associated 'ith the

use of 0 spectroscopy.

#educe the functional groups present in organic

compounds from 0 spectra.

Cite examples of the use of 0 spectroscopy in

the monitoring of air pollutants.

%ast paper

!uestions on 0$U.

8 "xplain the asic principles of mass

spectrometry.

"xplain the significance of the 9&:1; peak in

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mass spectra.

Use mass spectral data to analyse and identify

sustances.

< "xplain the theoretical principles upon 'hich

chromatographic methods are ased.

"xplain the terms retention factor and retentiontime$ (isualiing agent and sol(ent front.

#escrie the asic steps in(ol(ed in separating

and !uantifying the components of a mixture.

= >ame examples of commonly used stationary

phases.

Carry out experiments to separate the

components of mixtures.

Cite the 'ide applications of chromatographic

methods of separation.

Thin ayer

Chromatography.

%ast paper

!uestions

1? #iscuss the chemical principles upon 'hich

simple distillation and fractional distillation areased.

#iscuss the ad(antages of carrying out

distillation processes under reduced pressures.

#iscuss the chemical principles and use of steam

distillation.

11 #iscuss the principles upon 'hich sol(ent

extraction is ased.

Select appropriate methods of separation$ gi(en

the physical and chemical properties of the

components of a mixture.

%ast paper

!uestions

12 Carry out simple separation experiments asedon solute partitioning et'een t'o immiscile

sol(ents.

Cite examples of the applications of the

distillation methods used in (arious industries.

%artition Coefficient.