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Question

The appropriate reagent for the transformation is:

A
Zn(Hg)/HCl
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B
NH2NH2/OH
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C
Both (a) and (b)
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D
None of the above
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Solution

The correct option is B NH2NH2/OH
Both Zn(Hg)/HCl and NH2NH2/OH can reduce COCH3 group to CH2CH3 but HCl will also bring about the replacement of OH group by Cl . Therefore, the most appropriate reagent is NH2NH2/OH.

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