MCQ
the gas evolved when Methylamine reacts with nitrous acid is $.......$
- A$\mathrm{NH}_3$
- ✓$\mathrm{N}_2$
- C$\mathrm{H}_2$
- D$\mathrm{C}_2 \mathrm{H}_6$
✓
Answer
Correct option: B.
$\mathrm{N}_2$
Primary aliphatic amines react with nitrous acid to form aliphatic diazonium salts which being unstable, liberate nitrogen gas quantitatively and alcohol.
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