JEE Main Chemistry question

When benzaldehyde reacts with acetophenone in presence of sodium hydroxide, then product is

(A)C₆H₅CH=CHCOC₆H₅Correct
(B)C₆H₅COCH₂C₆H₅
(C)C₆H₅CH=CHC₆H₅
(D)C₆H₅CH(OH)COC₆H₅

Answer: (A)

Solution

This is a crossed aldol condensation: the enolizable α-CH₃ of acetophenone attacks the carbonyl carbon of benzaldehyde (which has no α-H), giving the aldol

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Question ID VK-149089