Question:
Primary nitroalkanes on boiling with hydrochloric acid undergo hydrolysis to form
Primary nitroalkanes on boiling with hydrochloric acid undergo hydrolysis to form
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Primary nitroalkanes hydrolyze in acidic conditions to form carboxylic acids and hydroxyl amines.
Updated On: Jan 26, 2026
- Alcohol and nitrous acid
- Carboxylic acid and hydroxyl amine
- Aldehyde and hydroxyl amine
- Ketone and nitrous acid
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the reaction.
Boiling primary nitroalkanes with hydrochloric acid leads to hydrolysis, which produces carboxylic acid and hydroxyl amine. This is a well-known reaction for nitroalkanes.
Step 2: Analyzing the options.
(A) Alcohol and nitrous acid: This is incorrect because nitroalkanes undergo hydrolysis to produce carboxylic acid, not alcohol.
(B) Carboxylic acid and hydroxyl amine: Correct — this is the expected product when primary nitroalkanes undergo hydrolysis with hydrochloric acid.
(C) Aldehyde and hydroxyl amine: Incorrect — the hydrolysis of nitroalkanes does not produce aldehydes.
(D) Ketone and nitrous acid: Incorrect — ketones are not the products of hydrolysis of nitroalkanes.
Step 3: Conclusion.
The correct answer is (B) Carboxylic acid and hydroxyl amine.
Boiling primary nitroalkanes with hydrochloric acid leads to hydrolysis, which produces carboxylic acid and hydroxyl amine. This is a well-known reaction for nitroalkanes.
Step 2: Analyzing the options.
(A) Alcohol and nitrous acid: This is incorrect because nitroalkanes undergo hydrolysis to produce carboxylic acid, not alcohol.
(B) Carboxylic acid and hydroxyl amine: Correct — this is the expected product when primary nitroalkanes undergo hydrolysis with hydrochloric acid.
(C) Aldehyde and hydroxyl amine: Incorrect — the hydrolysis of nitroalkanes does not produce aldehydes.
(D) Ketone and nitrous acid: Incorrect — ketones are not the products of hydrolysis of nitroalkanes.
Step 3: Conclusion.
The correct answer is (B) Carboxylic acid and hydroxyl amine.
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