The oxide which is the anhydrate of orthophosphoric acid is
A. `P_(4)O_(10)`
B. `P_(2)O_(5)`
C. `P_(4)O_(6)`
D. `P_(2)O_(3)`

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1 Answers

Correct Answer - A
`P_(4)O_(10)+6H_(2)O to underset("Orthophosphoric acid")(4H_(3)PO_(4))`

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