MCQ
On strongly heating $Pb{(N{O_3})_2}$ crystals, the gas formed is
- A$N{O_2}$
- B${O_2}$
- ✓$N{O_2} + {O_2}$
- D$NO$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


$A : 1s^2\, 2s^2\, 2p^6$
$B : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^3$
$C : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^5$