NEET Chemistry Nucleophilic Addition MCQ Question
Which of the following statements about nucleophilic addition reactions of aldehydes and ketones is correct?
Aldehydes and ketones both undergo nucleophilic addition due to the presence of a polar carbonyl group.
The nucleophilic addition of ammonia results in irreversible product formation without any intermediate.
Cyanohydrins are formed from aldehydes and ketones through a direct reaction with pure hydrogen cyanide.
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
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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