P-Block Elements Ques 101
Question: The strongest acid amongst the following is
[IIT 1989]
Options:
A) $ HClO_4 $
B) $ HClO_3 $
C) $ HClO_2 $
D) $ HClO $
Show Answer
Answer:
Correct Answer: A
Solution:
Among the given acids, perchloric acid $ HClO_4$ is the strongest acid. This is because the conjugate base $ClO^{−4}$ ion is the weakest base.
Among oxyacids of halogens the decreasing order of the acid strength is:
$ HClO_4> $ $ HClO_3> $ >$ HClO_2 $ $ HClO $
