Question:
Which among the following will not liberate nitrogen on reaction with nitrous acid?
Which among the following will not liberate nitrogen on reaction with nitrous acid?
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Tertiary amines do not undergo diazotization and hence do not liberate nitrogen when reacted with nitrous acid.
Updated On: Apr 15, 2025
- Dimethylamine
- 2-aminopropane
- Ethylamine
- Methylamine
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The Correct Option is A
Solution and Explanation
Dimethylamine is a tertiary amine, and tertiary amines do not react with nitrous acid (HNO\(_2\)) to liberate nitrogen gas. On the other hand, primary and secondary amines react with nitrous acid to form diazonium salts, which then decompose to release nitrogen gas. Thus, Dimethylamine (A) does not liberate nitrogen on reaction with nitrous acid.
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