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Q: ______reduction is carried out by heating the carbonyl compound with zinc amalgam in hydrochloric acid.
  • A. Clemmensen
  • B. Brich
  • C. Meerwein - Ponndorf
  • D. Bouveault - Blanc reduction
Correct Answer: Option A - The reaction of aldehydes and ketones with zinc amalgam (Zn/Hg alloy) in concentrated hydrochloric acid which reduces the aldehyde or ketone to a hydrocarbon is called Clemmensen reduction.
A. The reaction of aldehydes and ketones with zinc amalgam (Zn/Hg alloy) in concentrated hydrochloric acid which reduces the aldehyde or ketone to a hydrocarbon is called Clemmensen reduction.

Explanations:

The reaction of aldehydes and ketones with zinc amalgam (Zn/Hg alloy) in concentrated hydrochloric acid which reduces the aldehyde or ketone to a hydrocarbon is called Clemmensen reduction.