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whenP(2)O(5) is heated with water the pr...

when`P_(2)O_(5)` is heated with water the product is

A

hyphosphoric acid

B

phosphorous acid

C

orthophosphoric acid

D

hypophosphorous acid

Text Solution

Verified by Experts

The correct Answer is:
3
`P_(4)O_(10) (or P_(2)O_(5))` an acidic oxide dissolve in water to yield phosphroic acid ( or orthosphoric acid `H_(3)PO_(4)`)
`P_(4)O_(6)+6H_(2)Orarr4H_(3)PO_(4)`
On the other hand `P_(4)O_(6) (or P_(2)O_(3))` yields phosphorous acid
`P_(4)O_(6)+6H_(2)Orarr4H_(3)PO_(3)`
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