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Reduction of $C = O$ to $C H_{2}$ can be carried out with

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$L i A l H_{4}$

$N a / C_{2} H_{5} O H$

Wolff-Kishner reduction

Catalytic reduction

answer is C.

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Detailed Solution

Reduction of carbonyl group is carried out with the help of hydrazine $(H_{2} N - {NH}_{2})$ on heating with strong alkali like $K O H$ and solvent glycol to give saturated alkane. This reaction is known as Wolff-Kishner reduction reaction.

$R_{2} C = O + {NH}_{2} - N H_{2} \overset{KOH, ▵}{\to} R_{2} {CH}_{2} + N_{2} + H_{2} O$

Aldehyde/ketone hydrazine alkane

Hence, the correct answer is option (C) Wolff-Kishner reduction.

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