Phosphorus trioxide reacts with hot water to give
A. Phosphours acid
B. Metaphosphoric acid
C. Orthophosphoric acid
D. Orthophosphoric acid and phosphine

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1 Answers

Correct Answer - D
`P_(4)O_(6)+underset("Hot")(6H_(2)O)to 3H_(3)PO_(4) +PH_(3)`

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