(A) Aromatic aldehydes are more reactive than aliphatic aldehydes.
(R) Polarity of carbonyl group is more in benzaldehyde.

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Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true but (R) is not the correct explanation of (A)

(A) is true but (R) is false

Both (A) and (R) are false

answer is D.

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Detailed Solution

Aromatic aldehydes are less reactive than aliphatic aldehyde since, the charge on benzene ring is delocalized over ring and less polarity separation in case of benzaldehyde to provide stability. but in case of aliphatic it becomes unstable due to electron donating effect of alkyl group attached to carbonyl group carbon atom.

Therefore, both (A) and (R) are false.

Hence, Option D is correct.

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