Assertion : `HClO_4` is a stronger acid than `HClO_3`
Reason : Oxidation state of chlorine in `HClO_4` is +7 and in `HClO_3` is +5.

Options

A. If both (A) and (R) are correct and (R) is the correct explanation of (A).
B. If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
C. If (A) is correct, but (R) is incorrect.
D. If both (A) and (R) are incorrect.

Answer

A

Explanation

Acid strength of oxoacids of the same halogen increases with increase in O.N. of the halogen.