Which is the most volatile compound - Vidyadip

MCQ

Which is the most volatile compound

A
$HF$
✓
$HCl$
C
$HBr$
D
$HI$

✓

Answer

Correct option: B.

$HCl$

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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