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Which acid is not formed by the action of water on phosphorus pentoxide ?A. `HPO_(3)`B. `H_(4)P_(2)O_(7)`C. `H_(3)PO_(4)`D. `H_(3)PO_(3)` |
Answer» Correct Answer - D Ans. H3PO3 Reason: Oxidation state should remain same . All compounds except H3PO3 have +5 O.S . |
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