InterviewSolution
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InterviewSolution
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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:A. `K_(a_(1))gtK_(a_(2))ltK_(a_(3))`B. `K_(a_(1))ltK_(a_(2))ltK_(a_(3))`C. `K_(a_(1))gtK_(a_(2))gtK_(a_(3))`D. `K_(a_(1))ltK_(a_(2))gtK_(a_(3))` |
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Answer» Correct Answer - C The dissociation constant for different ateps dissociation of weak polyrotic acid decreases continuously, i.e., `K_(a_(1))gtK_(a_(2))gtK_(a_(3))` |
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