Question

The IUPAC name of neohexane is ______. 

Options

• 2-methylpentane

• 2,3-dimethylhexane

• 2,2-dimethylbutane

• 2,3-dimethylbutane

Answer 1

The IUPAC name of neohexane is 2,2-dimethylbutane. 

Explanation:

\[\begin{array}{cc}
\ce{CH3}\phantom{....}\\
|\phantom{.......}\\
\phantom{}\ce{H3\underset{1}{C} - \underset{2}{C} - \underset{3}{C}H2 - \underset{4}{C}H3}\\
|\phantom{.......}\\
\ce{\underset{\underset{(Neohexane)}{2, 2-Dimethylbutane}}{CH3}}\phantom{....}
\end{array}\]