Which isomer of hexane has only two different sets of structurally equivalent hydrogen atoms?

Options

A. 2, 2-dimethylbutane
B. 2-methyl pentane
C. 3-methylpentane
D. 2, 3-dimethylbutane

Answer

D

Explanation

`overset(1^@)( C) H_(3) - overset(3^(@))underset(1^(@) CH_(3)) underset(|)( C) H -overset(3^(@))underset(1^(@) CH_(3))underset(|)( C) - overset(1^(@))( C) H_(3)`
12 primary and 2 tertiary hydrogen