Question

Out of the following, the alkene that exhibits optical isomerism is

A. 3 - methyl - 2 - pentene
B. 4 - methyl - 1 - pentene
C. 3 - methyl - 1 - pentene  
D. 2 - methyl - 2 - pentene
Answer :   3 - methyl - 1 - pentene
Solution :
For a compound to show optical isomerism, presence of chiral carbon atom is a necessary condition.
Isomerism mcq solution image