Question

Which oxide of nitrogen is obtained on heating ammonium nitrate at $250^{\circ }C$ ?

• A. Nitrous oxide
• B. Nitric oxide
• C. Nitrogen dioxide
• D. Dinitrogen tetroxide

Answer 1

Answer: (A)

On heating Ammonium nitrate,

$N{H}_{4}N{O}_3\to N_{2}O+2H_{2}O$

Nitrous oxide is evolved.