Clemmensen reduction of a ketone is carried out in the presence of which of the following reagent?
A
Zn−Hg 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 AZn−Hg with HCl Clemmensen reduction of a ketone is carried out in the presence of Zn−Hg with HCl. This reduction converts carbonyl group to methylene group. It is suitable for compounds that are sensitive to alkali. R−CO−CH3Zn/Hg−−−−−→concHClR−CH2−CH3