MCQ
Nitrogen is liberated by the thermal decomposition of only:
  • A
    $\mathrm{NH}_4 \mathrm{NO}_2$
  • B
    $\mathrm{NaN}_3$
  • C
    $\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7$
  • All of these

Answer

Correct option: D.
All of these
Nitrogen is liberated by the thermal decomposition of ammonium nitrite.
$\left(\mathrm{NH}_4 \mathrm{NO}_2\right), \mathrm{NaN}_3,\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7$

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