molecular models lab. # of bonds shape resonance? o 2 2 (1 ,1 )linearno h 2 o2 (2 ) bentno nh 3 3...
TRANSCRIPT
Molecular Models Lab
# of bonds Shape Resonance?
• O2 2 (1,1) linear No
• H2O 2 (2) bent No
• NH3 3 (3) trigonal pyramid No
• CH4 4 (4) tetrahedral No
• N2 3 (1,2) bent No
• HCN4 (2,2) linear No
• CO2 4 (2,2) linear Yes
• N2O 4 (2,2) linear Yes
# of bonds Shape Resonance?
• SO4-2 4 (4) tetrahedral No
• NO2-1 3 (2,1) bent Yes
• NO3-1 4 (3,1) trigonal planar Yes
• H2CO 4 (3,1) trigonal planar No
# of bonds Shape Resonance?
• HCO2-1 4 (3,1) trigonal planar Yes
C2H6 7 (7) No
C2H4 6 (5,1) (planar!) No
C2H6O 8 (8) No
# of bonds Shape Resonance?
N2H4 5 (5) No
CH4O 5 (5) No
• SO3 4 (3,1) trigonal planar Yes
• SO2 3 (2,1) bent Yes
# of bonds Shape Resonance?
• SO3-2 3 (3) trigonal pyramid No
• SCN-1 4 (2,2) linear Yes
• Br2 1 (1) linear No
• O3 3 (2,1) bent Yes
# of bonds Shape Resonance?
N2O4 7 (5,2) Yes
C2O4-27 (5,2) Yes
• HF 1 (1) linear No
• ICl 1 (1) linear No
# of bonds Shape Resonance?
• NH4+ 4 (4) tetrahedral No
• H3O+3 (3) trigonal pyramid No
• BCl3 3 (3) trigonal planar! No
• PCl5 5 (5) trigonal bipyramid No
# of bonds Shape Resonance?
# of bonds Shape Lone Pairs
• O2 2 linear 2
• H2O 2 bent 2
• NH3 3 trigonal pyramid 1
• CH4 4 tetrahedral 0
(On central atom)
• N2 3 bent 1
• HCN 4 linear 0
• CO2 4 linear 0
• N2O 4 linear 0
# of bonds Shape Lone Pairs(On central atom)
• SO4-2 4 tetrahedral 0
• NO2-1 3 bent 1
• NO3-1 4 trigonal planar 0
• H2CO 4 trigonal planar 0
# of bonds Shape Lone Pairs(On central atom)
• HCO2-1 4 trigonal planar 0
C2H6 7
C2H4 6 (planar!)
C2H6O 8
# of bonds Shape Lone Pairs(On central atom)
N2H4 5
CH4O 5
• SO3 4 trigonal planar 0
• SO2 3 bent 1
# of bonds Shape Lone Pairs(On central atom)
• SO3-2 3 trigonal pyramid 1
• SCN-1 4 linear 0
• Br2 1 linear 3
• O3 3 bent 1
# of bonds Shape Lone Pairs(On central atom)
N2O4 7
C2O4-2 7
• HF 1 linear 3
• ICl 1 linear 3
# of bonds Shape Lone Pairs(On central atom)
• NH4+ 4 tetrahedral 0
• H3O+ 3 trigonal pyramid 1
• BCl3 3 trigonal planar! 0!
• PCl5 5 trigonal bipyramid 0
# of bonds Shape Lone Pairs(On central atom)
Symmetry? Polar bonds? Polar?
• O2 Yes No No
• H2O No Yes Yes
• NH3 No Yes Yes
• CH4 Yes No No
• N2 Yes No No
• HCN No Yes Yes
• CO2 Yes Yes No
• N2O No Yes Yes
Symmetry? Polar bonds? Polar?
• SO4-2 Yes Yes *
• NO2-1 No Yes *
• NO3-1 Yes Yes *
• H2CO No Yes Yes
Symmetry? Polar bonds? Polar?
• HCO2-1 No Yes *
C2H6 Yes No No
C2H4 Yes No No
C2H6O No Yes Yes
Symmetry? Polar bonds? Polar?
N2H4 No? Yes Yes
CH4O No Yes Yes
• SO3 Yes Yes No
• SO2 No Yes Yes
Symmetry? Polar bonds? Polar?
• SO3-2 No Yes *
• SCN-1 No Yes *
• Br2 Yes No No
• O3 No No No
Symmetry? Polar bonds? Polar?
N2O4 Yes Yes No
C2O4-2 Yes Yes *
• HF No Yes Yes
• ICl No Yes Yes
Symmetry? Polar bonds? Polar?
• NH4+ Yes Yes *
• H3O+ No Yes *
• BCl3 Yes Yes No
• PCl5 Yes? Yes No
Symmetry? Polar bonds? Polar?
Hybridization Multiples? Angle
• O2 sp2 1 double
• H2O sp3 No
• NH3 sp3 No
• CH4 sp3 No
• N2 sp 1 triple --
• HCN sp 1 triple 180
• CO2 sp 2 doubles 180
• N2O sp 2 doubles 180
Hybridization Multiples? Angle
• SO4-2 sp3 No 109.5
• NO2-1 sp2 1 double <120
• NO3-1 sp2 1 double 120
• H2CO sp2 1 double 120
Hybridization Multiples? Angle
• HCO2-1 sp2 1 double 120
C2H6 sp3 No 109.5
C2H4 sp2 1 double 120
C2H6O sp3 No 109.5&<109.5
Hybridization Multiples? Angle
N2H4 sp3 No <109.5
CH4O sp3 No109.5&<109.5
• SO3 sp2 1 double 120
• SO2 sp2 1 double <120
Hybridization Multiples? Angle
• SO3-2 sp3 No <109.5
• SCN-1 sp 2 doubles 180
• Br2 sp3 No --
• O3 sp2 1 double <120
Hybridization Multiples? Angle
N2O4 sp2 2 doubles 120
C2O4-2 sp2 2 doubles 120
• HF sp3 No --
• ICl sp3 No --
Hybridization Multiples? Angle
• NH4+ sp3 No 109.5
• H3O+ sp3 No <109.5
• BCl3 sp2 ! No! 120
• PCl5 dsp3 ! No! 90 & 120
Hybridization Multiples? Angle
• O2
• H2O
• NH3
• CH4
• N2
• HCN
• CO2
• N2O (N is in the center!)
• SO4-2 (Notice the charge?)
• NO2-1
• NO3-1
• H2CO
• HCO2-1
C2H6
C2H4
C2H6O
N2H4
CH4O
• SO3
• SO2
• SO3-2
• SCN-1
• Br2
• O3
N2O4
C2O4-2( C-C in the center!)
• HF
• ICl (that’s iodine monochloride)
• NH4+
• H3O+
• BCl3
• PCl5
• O2
• H2O
• NH3
• CH4
• N2
• HCN
• CO2
• N2O (N is in the center!)
• SO4-2 (Notice the charge?)
• NO2-1
• NO3-1
• H2CO
• HCO2-1
C2H6
C2H4
C2H6O
N2H4
CH4O
• SO3
• SO2
• SO3-2
• SCN-1
• Br2
• O3
N2O4
C2O4-2( C-C in the center!)
• HF
• ICl (that’s iodine monochloride)
• NH4+
• H3O+
• BCl3
• PCl5