Hybridisation and Method of preparation of alkenes.ppt

Hybridisation in alkenes and method of preparation are discussed.

1. Alkenes
By
Dr. NIDHI GUPTA
M.M. College of Pharmacy
Mullana, Ambala,
Haryana, India

2. AlkenesC
nH
2n “unsaturated” hydrocarbons
C
2H
4ethylene
Functional group = carbon-carbon double bond
sp
2
hybridization => flat, 120
o
bond angles
σ bond & π bond => H
2C=CH
2
No rotation about double bond!CC
H
H H
H