Out of following, the alkane that exhibit optical isomerism is

Options

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

Answer

C

Explanation

`underset("3-methyl--pentene")(CH_(3)-CH_(2)-underset(CH_(3))underset(|)overset(H)overset(|)(C^(**))-CH=CH_(2)`
It has one chiral centre.