JEE Main Chemistry question

In a Cannizzaro's reaction, the intermediate that will be the best hydride donor is the one derived from:

(A)Unsubstituted benzaldehyde
(B)Unsubstituted benzaldehyde (alternative resonance depiction)
(C)p-Methoxybenzaldehyde
(D)p-NitrobenzaldehydeCorrect

Answer: (D)

Solution

The tetrahedral alkoxide intermediate that most readily expels hydride (reverting to the stable, conjugated carbonyl) is the one whose resulting aldehyde product is most stabilized; the

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Question ID VK-149789