MCQ
Which is the most volatile compound
- A$HF$
- ✓$HCl$
- C$HBr$
- D$HI$
✓
Answer
Correct option: B.
$HCl$
b
(b)
(b)
| Hydride - | $HF$ | $HCl$ | $HBr$ | $HI$ |
| B.pt (in $K$) - | $293$ | $189$ | $206$ | $238$ |
Becouse of having low b.p. $HCl$ is more volatile.
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