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Question

Clemmensen reduction of a ketone is carried out in the presence of which of the following reagent?

A
ZnHg with HCl
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B
LiAlH4
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C
H2 and Pt as catalyst
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D
Glycol with KOH
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Solution

The correct option is A ZnHg with HCl
Clemmensen reduction of a ketone is carried out in the presence of ZnHg with HCl. This reduction converts carbonyl group to methylene group. It is suitable for compounds that are sensitive to alkali.
RCOCH3Zn/Hg−−−−concHClRCH2CH3

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