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Reaction of acetaldehyde with HCN follow...

Reaction of acetaldehyde with HCN followed by hydrolysis gives a compound which shows

A

Optical isomerism

B

Geometrical isomerism

C

Metamerism

D

Tautomerism

Text Solution

Verified by Experts

The correct Answer is:
A
`underset("Acetaldehyde")(CH_3-overset(O)overset(||)C-H)+ underset("Cyanide")underset("Hydrogen")(HCN) overset(H_3O^(+))to underset("Cynohydrin")underset("Acetaldehyde")(CH_3-underset(CN)underset(|)overset(OH)overset(|)C-H)` (optically active)
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