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Chemistry
Increasing order of acid strength of halogen acid is
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Q. Increasing order of acid strength of halogen acid is
Classification of Elements and Periodicity in Properties
A
$HF <\, HCl < \,HBr <\, HI$
17%
B
$HCl <\, HBr <\, HI < \,HF$
33%
C
$HF <\, HI <\, HBr <\, HCl$
42%
D
None of these
8%
Solution:
As going down the group size increases, a liberation of $H^{+}$ ion becomes easy. So the order of acidity is: $HI>\,HBr>\,HCl>\,HF$