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$NO$
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$'A'$ on reaction with sodium hypoiodite gives $'B',$ which on further heating with soda lime gives ' $C$ '. The compound ' $C$ ' is $....... .$
| Item $-I$ (Mixture) | Item $-II$ (Separation method) |
| $(a)$ $H_2O :$ Sugar | $p.$ Sublimation |
| $(b)$ $H_2O :$ Aniline | $q.$ Recrystallization |
| $(c)$ $H_2O :$ Toluene | $r.$ Stem distillation |
| $s.$ Differential extraction |
