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Q.
The appropriate reagent for the following transformation is:
Redox Reactions
Solution:
a. $Zn / Hg , HCl$ (Clemmensen reduction) is acid
catalysed.So, the dehydration will also take place along with the conversion of $(>C=O)$group to $\left(- CH _2-\right)$ groupSo the answer is (b)