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Ortho phosphoric acid on heating above 3...

Ortho phosphoric acid on heating above `300^(@)C` gives :

A

hypophosphorus acid

B

hypophosphoric acid

C

metaphosphoric acid

D

phosphorous acid

Text Solution

Verified by Experts

The correct Answer is:
C
`H_(3)PO_(4) overset(220^(@)C)rarr H_(4)P_(2)O_(7) overset(320^(@)C) rarr (HPO_(3))_(n)`
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