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The compound obtained when acetaldehyde ...

The compound obtained when acetaldehyde reacts with dilute aqueous sodium hydroxide exhibits

A

Geometrical isomerism

B

Optical isomerism

C

Neither optical nor geometrical isomerism

D

Both optical and geometrical isomerism

Text Solution

Verified by Experts

The correct Answer is:
B
It is an example of aldol condensation.
`CH_3-overset(H)overset(|)C=O+H-CH_2CHO overset("dil. NaOH")to underset("(Aldol)")(CH_3-underset(OH)underset(|)overset(H)overset(|)C-CH_2CHO)`
It has a stereogenic centre, so it will exhibit optical isomerism.
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