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For H(3)PO(4), H(3)PO(4) hArr H(2)PO(4)...

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

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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_2), HPO_(4)^(2-) rarr PO_(4)^(3-) + H^(+) (K_(3)) then

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

H_(3)PO_(4)hArr H^(o+) +H_(2)PO_(4)^(Theta), K_(a_(1)) : H_(2)PO_(4)^(Theta) hArr H^(o+) +HPO_(4)^(2-),' K_(a_(2)) : HPO_(4)^(2-) hArr H^(o+) + PO_(4)^(3-), K_(a_(3)): Mark out the incorrect statements:

H_(3)PO_(4)hArr H^(o+) +H_(2)PO_(4)^(Theta), K_(a_(1)) : H_(2)PO_(4)^(Theta) hArr H^(o+) +HPO_(4)^(2-),' K_(a_(2)) : HPO_(4)^(2-) hArr H^(o+) + PO_(4)^(3-), K_(a_(3)): Mark out the incorrect statements:

For, H_(3)PO_(4)+H_(2)OhArrH_(3)O^(+)+H_(2)PO_(4)^(-), K_(a_(1)) H_(2)PO_(4)+H_(2)OhArrH_(3)O^(+)+HPO_(4)^(2-), K_(a_(2)) HPO_(4)^(2-)+H_(2)OhArrH_(3)O^(+)+PO_(4)^(3-), K_(a_(3)) The correct order of K_(a) values is:

For, H_(3)PO_(4)+H_(2)OhArrH_(3)O^(+)+H_(2)PO_(4)^(-), K_(a_(1)) H_(2)PO_(4)+H_(2)OhArrH_(3)O^(+)+HPO_(4)^(2-), K_(a_(2)) HPO_(4)^(2-)+H_(2)OhArrH_(3)O^(+)+PO_(4)^(3-), K_(a_(3)) The correct order of K_(a) values is:

The conjugate base of H_(2)PO_(4)^(-) is : a) H_(3)PO_(4) b) H_(2)PO_(4)^(-) c) HPO_(4)^(2-) d) PO_(4)^(3-)

Find the equivalent weight of H_(3) PO_(4) in each of the following reactions: H_(3) PO_(4) + OH^(-) to H_(2) PO_(4)^(-) + H_(2) O H_(3) PO_(4) + 2OH^(-) to HPO_(4)^(2-) + 2H_(2) O H_(3) PO_(4) + 3OH^(-) to PO_(4)^(3-) + 3H_(2) O