Question:
Which one of the following amines gives an alcohol on reaction with HNO₂?
Which one of the following amines gives an alcohol on reaction with HNO₂?
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When primary amines react with nitrous acid, they form diazonium salts, which are then hydrolyzed to give alcohols.
Updated On: Jun 25, 2025
- \(\text{NH}_2\)
- \(\text{C}_2\text{H}_5\text{NH}_2\)
- \(\text{C}_2\text{H}_5\text{N}\text{H}_2\)
- \(\text{C}_2\text{H}_5\text{N}_3\)
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The Correct Option is A
Solution and Explanation
The amine that gives an alcohol upon reaction with nitrous acid (HNO₂) is the primary amine (\( \text{NH}_2 \)). The reaction of primary amines with nitrous acid leads to diazotization, followed by hydrolysis to form alcohol. Secondary and tertiary amines do not react the same way.
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