Zinc amalgam with concentrated hydrochloric acid gives the reduction of:
ATollens only
BClemmensen
CRosenmund
DCannizzaro
Answer & Solution
Correct answer: B. Clemmensen
1. This reduction takes the carbonyl group all the way down.
2. It works in acidic conditions with zinc amalgam.
3. It is the Clemmensen reduction.
_Source: NCERT Class 12 Chemistry Part II, Chapter 12, Aldehydes, Ketones and Carboxylic Acids._
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