1.

Select correct statements out of following.

Answer»

`H_(3)PO_(4)`is conjugate ACID of `HPO_(4)^(-2)`
`H_(2)PO_(3)^(-1)` is conjugate acid of `HPO_(3)^(-2)`
`H_(2)PO_(2)^(-1)` can be conjugate acid of `HPO_(2)^(-2)`
`H_(2)PO_(4)^(-1)` is conjugate acid of `H_(3)PO_(4)`

Solution :`rarr H_(3)PO_(4) " is " C.A " of " H_(2)PO_(4)^(-1)`
`rarr H_(2)PO_(3)^(-1) " isC.Aof "HPO_(3)^(-2)`
`rarr H_(2)PO_(2)^(-1)` can.t behave as an acid
`rarr H_(2)PO_(4)^(-1)` is C.B of `H_(3)PO_(4)`


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