Which of the following is not a straight chain hydrocarbon ?

Options

A. `H_(3)C-CH_(2)-CH_(2)-CH_(2)-underset(CH_(3))underset(|" ")(CH_(2))`
B. `H_(3)C-CH_(2)-CH_(2)-CH_(2)-CH_(2)-CH_(3)`
C. `H_(2)overset(" "CH_(3))overset(|)C-H_(2)C-H_(2)C-underset(CH_(3))underset(|" ")(CH_(2)`
D.

Answer

D

Explanation

or `H_(3)overset(1)C-underset(CH_(3))underset(|" ")overset(2" ")(CH)-overset(3)CH_(2)-overset(4)CH_(2)-overset(5)CH_(3)` is a branched chain hydrocarbon not straight chain hydrocarbon. Rest three are straight chain hydrocarbons.