what happen when we heat H3PO3

what happen when we heat H3PO3

Grade:12th Pass

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
8 years ago
H3PO3 is called phophorous acid.It is a diprotic acid represented by HP(O)(OH)2
Phosphorous acid on heating at 200°C converts to phosphoric acid and phosphine:
4 H3PO3 → 3 H3PO4 + PH3
this reaction yields a number of undefined phosphorus suboxides as well.

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