MCQ
Which has the lowest boiling point
- A$N{H_3}$
- ✓$P{H_3}$
- C$As{H_3}$
- D$Sb{H_3}$
| Hydride | $N{H_3}$ | $P{H_3}$ | $As{H_3}$ | $Sb{H_3}$ | $Bi{H_3}$ |
| Boling point | $238.5$ | $185.5$ | $10.6$ | $254.6$ | $290$ |
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$[A]$ $\mathrm{Cr}_2 \mathrm{O}_3, \mathrm{BeO}, \mathrm{SnO}, \mathrm{SnO}_2$
$[B]$ $\mathrm{Cr}_2 \mathrm{O}_3, \mathrm{CrO}, \mathrm{SnO}, \mathrm{PbO}$
$[C]$ $\mathrm{NO}, \mathrm{B}_2 \mathrm{O}_3, \mathrm{PbO}, \mathrm{SnO}_2$
$[D]$ $\mathrm{ZnO}, \mathrm{Al}_2 \mathrm{O}_3, \mathrm{PbO}, \mathrm{PbO}_2$
(Critical micelle concentration ($CMC$) is marked with an arrow in the figures.)