Question

Carbonyl group can be reduced to alkane with the help of which catalyst?

• A. \( \text{H}_2\text{N-NH}_2, \text{KOH, heat} \)
• B. \( \text{Zn/Hg HCl} \)
• C. \( \text{LiAlH}_4 \)
• D. \( \text{P, Q, and R} \)

Hint:

Wolff-Kishner reduction provides a method to fully deoxygenate carbonyl groups, transforming them into hydrocarbons.

Answer 1

The Correct Option is A

The Wolff-Kishner reduction uses hydrazine (H\(_2\)N-NH\(_2\)) and potassium hydroxide (KOH) under heat to convert carbonyl compounds into alkanes. This reaction eliminates oxygen atoms and replaces the carbonyl functionality with hydrogen. It is effective for aldehydes and ketones, yielding hydrocarbon products.