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For H(3)PO(4+) H(3)PO(4) rarr H(2)PO(4...

For `H_(3)PO_(4+)`
`H_(3)PO_(4) rarr H_(2)PO_(4)^(-)+H^(+)(K_(1))H_(2)PO_(4) rarr HPO_(4)^(-)+H^(+) (K), HPO_(4)^(2) rarr PO_(4)^(3-) + H^(+) (K_(3))` then

A

`K_(1) gt K_(2) gt K_(3)`

B

`K_(1) lt K_(2)lt _(3)`

C

` K_(1) K_(2) lt K_(3)`

D

`K_(1).K_(2).K_(3)=K_(w)`

Text Solution

Verified by Experts

The correct Answer is:
A
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{:("List-I"," ""List-II"),(1("In" H_(3)PO_(4)"solution"),(C=[H_(3)PO_(4)])),((A)[H^(+)],P.sqrt(K_(1)C)),((B)[H_(2)PO_(4)^(-)],Q.K_(2)),((C)[HPO_(4)^(-2)],R.sqrt(K_(1)K_(2))),((D)[PO_(4)^(-3)],S.(K_(2)K_(3))/(sqrt(K_(1).C))):}

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