Chemistry-Nucleophilic Addition

NEET Chemistry Nucleophilic Addition MCQ Question

Type: MCQ-conceptual-Hard-Class 12

Which of the following statements about nucleophilic addition reactions of aldehydes and ketones is correct?

A

Aldehydes and ketones both undergo nucleophilic addition due to the presence of a polar carbonyl group.

B

The nucleophilic addition of ammonia results in irreversible product formation without any intermediate.

C

Cyanohydrins are formed from aldehydes and ketones through a direct reaction with pure hydrogen cyanide.

D

The addition of sodium hydrogensulphite to carbonyl compounds results in the formation of stable products that do not revert back to the original carbonyl.

Correct Answer

Option A

Detailed Explanation

Aldehydes and ketones both possess a polar carbonyl group, which facilitates nucleophilic addition reactions. Statement A is correct as it reflects this fundamental characteristic. Other statements incorrectly describe the nature of the reactions or the products formed.

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