JEE Main Chemistry question

Which of the following reactions can be used to change benzaldehyde to cinnamic acid?

(A)Perkin's reactionCorrect
(B)Knoevenagel reaction
(C)Reformatsky reaction and ketones
(D)Benzoin condensation

Answer: (A)

Solution

Perkin's reaction condenses an aromatic aldehyde (here benzaldehyde) with the anhydride of an aliphatic acid (acetic anhydride) in the presence of the corresponding

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Question ID VK-149126