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Question


Reagent(s) which can be used to bring about the following transformation is(are):
478180_9a41b812a759412ab450ee687b9f0de7.PNG

A
LiAlH4 in (C2H5)2O
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B
BH3 in THF
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C
NaBH4 in C2H5OH
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D
Raney Ni/H2 in THF
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Solution

The correct option is B NaBH4 in C2H5OH
NaBH4/C2H5OH do not reduce acid (COOH), ester (COOR) & epoxide, as it is mild oxidising agent. it reduces only aldehyde to alcohol.

While the LiAlH4 is strong oxidising agent it reduces the ester, acid, aldehyde and ketone.

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