H3PO3 undergoes disproportionation reaction but H3PO4 does not,why? – InterviewSolution

1.	H3PO3 undergoes disproportionation reaction but H3PO4 does not,why?
Answer» 4 H₃PO₃→3H₃PO₄+ PH₃. Because P is in +3 oxd. state, it can go to lower or higher state but in H₃PO₄, P is in +5 sate which can go to lower oxd. State only.

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