MHT CET 2025 Chemistry question

Which among the following functional groups is reduced by diborane?

(A)-COOR
(B)-COOHCorrect
(C)
(D)-X

Answer: (B)

Solution

Diborane ( in ether/THF) is an electrophilic reducing agent that reacts fastest with electron-rich groups. It reduces carboxylic acids () to primary alcohols selectively, without affecting ester (), nitro () or halo () groups present in the

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Question ID VK-101200