Page 11 - Pharm.Org.Chem-I 02-06-05-101

Methane CH4

Overlap of four sp3 orbitals of C atom with four 1s orbitals of four H atoms

H

H

sp3

sp3 C H
sp3
H
sp3

H H

C Regular tetrahedral
HH Bond angle 109o 28\
tetrahedral hybridization
H

17

Ethylene H H
C C

HH

SP2

C sp2

H 2py 2py H H HH H
C C
C CC C
H H
HH HH
18
Equilateral triangle trigonal
Hybridization Bond angle 120oplanar

9