Question

Acetaldehyde and acetone differ in their reaction with

Options

• Sodium bisulphite

• Ammonia

• Phosphorus pent chloride

• Phenyl hydrazine

Answer 1

Sodium bisulphite

Explanation:

Because acetone is CH₃COCH₃, the compound formed by adding sodium bisulphite (nucleophilic addition reaction) is as shown.

\[\begin{array}{cc}
\phantom{....}\ce{H3C}\phantom{.................}\ce{H3C}\phantom{......}\ce{OH}\phantom{}\\
\phantom{....}\backslash\phantom{....................}\backslash\phantom{...}/\phantom{}\\
\phantom{...}\ce{C = O + NaHSO3 ⇌ C}\\
\phantom{....}/\phantom{....................}/\phantom{...}\backslash\phantom{}\\
\phantom{....}\ce{H3C}\phantom{.................}\ce{H3C}\phantom{......}\ce{SO3}\phantom{}\\
\end{array}\]