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A carbonyl compound reacts with hydrogen...

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a recemic mixrture of `alpha`-hydroxy acid. The carbonyl compound `D`.

A

Diethyl ketone

B

Formaldehyde

C

Acetaldehyde

D

Acetone

Text Solution

Verified by Experts

The correct Answer is:
C
`CH_3-overset(H)overset(|)C=O overset(HCN)to CH_3-underset(CN)underset(|)overset(H)overset(|)C-OH overset(H_3O^(+))to CH_3-underset(COOH)underset(|)overset(H)overset(|)C-OH`
(Racemic mixture of lactic acid)
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