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The aqueous solution of following salt w...

The aqueous solution of following salt will have the lowest pH :

A

NaClO

B

`NaClO_(4)`

C

`NaClO_(3)`

D

`NaClO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`NaClO+H_(2)OtoNaOH+HClO`
`NaClO_(4)+H_(2)OtoNaOH+HClO_(4)`
`NaClO_(3)+H_(2)O toNaOH+HClO_(3)`
`NaClO_(2)+H_(2)O toNaOH+HClO_(2)`
As `HClO_(4)` is the strongest acid, its solution will have lowest pH.
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