question_answer

Acetophenone when reacted with a base, \[{{C}_{2}}{{H}_{5}}ONa,\] yields a stable compound, which has the structure.

A)

B)

C)

D)

Correct Answer: A

Solution :

Aldehydes or ketones with \[\alpha -H-atoms\], in presence of dilute base, undergoes aldol condensation to give \[\beta \]-hydroxy aldehyde or \[\beta \]-hydroxy ketone. On heating, aldols eliminate water molecule to form a, \[\beta \]-unsaturated compound.

This is an example of self aldol condensation.