Out of the following the alkene that exhibits optical isomerism is

Options

A. 3-methyl-1-pentene
B. 2-methyl-2-pentene
C. 3-methyl-2-pentene
D. 4-methyl-1-pentene

Answer

A

Explanation

`underset("3_methyl-1-pentene")(CH_(3)CH_(2)-overset(CH_(3))overset(|)(.^(**)C)H-CH=CH_(2))`
It has a chiral carbon and hence, it is optically active. All other alkenes do not have a chiral carbon and hence are optically inactive.