Question

Which of the following alcohols is NOT prepared by reduction of carbonyl compounds?

Options

• 2-methylpentan-2-ol

• Pentan-1-ol

• 3-methylpentan-2-ol

• Pentan-2-ol

Answer 1

2-methylpentan-2-ol

Explanation:

Only 1° alcohol and 2° alcohols can be prepared by reduction of the carbonyl group.

\[\begin{array}{cc}
\ce{CH3}\phantom{...........}\\
|\phantom{..............}\\
\ce{H3C - C - CH2 - CH2 - CH3}\\
|\phantom{..............}\\
\ce{\underset{\underset{{(3° alcohol)}}{2-Methylpentan-2-ol}}{OH}}\phantom{...........}
\end{array}\]