Given below are two statements, one labelled as Assertion(A) and the other as Reason (R):
Assertion (A): Benzaldehyde is more reactive towards nucleophilic addition reactions than propanal.
Reason (R): Ethyl group makes the carbonyl carbon atom in propanal less electrophilic than in benzaldehyde.
In the light of the above statements, choose the correct answer from the options given below:

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

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

Both (A) and(R) are incorrect.

(A) is incorrect but (R) is correct

answer is C.

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Detailed Solution

The carbon atom of the carbonyl group of benzaldehyde is less electrophilic than carbon atom of the carbonyl group present in propanal. The polarity of the carbonyl group is reduced in benzaldehyde due to resonance as shown below and hence it is less reactive than propanal.

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