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Which carbonyl compound yields secondary alcohols when treated with LiAlH4?

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in Chemistry – Class 12 by (188k points)
Which carbonyl compound yields secondary alcohols when treated with LiAlH4?

(a) Aldehyde

(b) Ketone

(c) Carboxylic acid

(d) Ester

I got this question in class test.

The question is from Alcohols and Phenols in section Alcohols, Phenols and Ethers of Chemistry – Class 12

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The correct choice is (b) Ketone

Explanation: Ketones react with reducing agents LiAlH4 or NaBH4 to get reduced to alcohol where the OH group is formed at the C of the C-O group. This results in the C being bonded to two alkyl groups apart from the OH and H atom.

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