Alkenes are unsaturated hydrocarbons containing at least one carbon-carbon double bond. They have the general formula CnH2n. Common examples include ethylene (C2H4). Alkenes are prepared through ozonolysis and by following Saytzeff's rule. They have a variety of uses.

1. BY
VANA JAGAN MOHAN RAO M.S.Pharm, MED.CHEM
NIPER-KOLKATA
Asst.Professor, MIPER-KURNOOL
Email: jaganvana6@gmail.com

2. ALKENES
• Also called olefins
• Contain at least one carbon-carbon double bond (C=C)
• General formula, CnH2n (n=2,3,…)
• Classified as unsaturated hydrocarbons (compound with
double or triple carbon-carbon bonds that enable them to
add hydrogen atoms.
• sp2-hybridized
• Ex:- C2H4 ETHYLENE

7. PREPARATION METHODS OF ALKENES

25. OZONOLYSIS

31. SAYTZEFF’S RULE

35. USES OF ALKENES