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`H_(3)PO_(4) overset(Delta)rarr X overset(Delta)rarrY` gives a white precipitate with silver nitrate solution. Y can form polyanions. The one that represents the polyanion is:A. `P_(3)O_(9)^(3-)`B. `P_(2)O_(7)^(2-)`C. `P_(4)O_(13)^(6-)`D. `P_(3)O_(10)^(5-)` |
Answer» Correct Answer - A `X=H_(4)P_(2)O_(7) , Y = HPO_(3)` A = ammonium 12 - molybdo phosphate `[(NH_(4))_(3)PO_(4).12MoO_(3)]` |
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