AIIMS2018Chemistry-Organic Chemistry

AIIMS 2018 Chemistry Reduction Reactions MCQ Question

Type: MCQ-conceptual-Easy-Class 11

Which reagent is suitable for this conversion ?

Question diagram
A

Zn-Hg/HCl\text{Zn-Hg/HCl}

B

LiAlH4\text{LiAlH}_4

C

NH2-NH2/OH\text{NH}_2\text{-NH}_2/\text{OH}^-

D

Red P+HI

Correct Answer

Option B

Detailed Explanation

LiAlH₄ (lithium aluminum hydride) is a strong reducing agent commonly used to reduce carbonyl compounds, such as aldehydes and ketones, to their corresponding alcohols. In this reaction, LiAlH₄ donates hydride ions (H⁻) to the electrophilic carbon of the carbonyl group, facilitating the conversion. Other options are not relevant as they do not pertain to the specific reduction reaction involving LiAlH₄, which is essential for understanding the mechanism of reduction in organic chemistry.

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