1.

The aqueous solution of following salt will have the lowest pH

Answer»

NaClO
`NaClO_(4)`
`NaClO_(3)`
`NaClO_(2)`

SOLUTION :`NaClO+H_(2)O rarr NaOH+HClO`
`NaClO_(4) +H_(2)O rarr NaOH+HClO_(4)`
`NaClO_(3) +H_(2)O rarr NaOH+HClO_(3)`
`NaClO_(2) +H_(2)O rarr NaOH+HClO_(2)`
As `HClO_(4)` is the strongest, its solution will have the LOWEST pH .


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