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Question: Answered & Verified by Expert
The oxide of nitrogen formed by thermal decomposition of $\mathrm{NH}_4 \mathrm{NO}_3$ is
Chemistryp Block Elements (Group 15, 16, 17 & 18)AP EAMCETAP EAMCET 2010
Options:
  • A $\mathrm{NO}$
  • B $\mathrm{N}_2 \mathrm{O}$
  • C $\mathrm{N}_2 \mathrm{O}_5$
  • D $\mathrm{NO}_2$
Solution:
1721 Upvotes Verified Answer
The correct answer is: $\mathrm{N}_2 \mathrm{O}$
By thermal decomposition of ammonium nitrate, nitrous acid (laughing gas) is obtained.
$\mathrm{NH}_4 \mathrm{NO}_3 \underset{250^{\circ} \mathrm{C}}{\stackrel{\Delta}{\longrightarrow}} \mathrm{N}_2 \mathrm{O}+2 \mathrm{H}_2 \mathrm{O}$

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