Which of the following salts in aqueous ...

Which of the following salts in aqueous solution has the lowest pH value?

A

`NaCIO`

B

`NaCIO_(4)`

C

`NaCIO_(3)`

D

`NaCIO_(2)`

Text Solution

Verified by Experts

The correct Answer is:

B

All the salt dissolve in water to form corresponding acids
`NaCIO +H_(2)O to NaOH +HCIO`
`NaCIO_(4) +H_(2)O to NaOH +HCIO_(4)`
`NaCIO_(3) +H_(2)O to NaOH + HCIO_(3)`
`NaCIO_(2) +H_(2)O to NaOH + HCIO_(2)`
Since `HCIO_(4)` is the strongest acid the pH of the aqueous solution of the salt is the lowest .

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