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The statement that is NOT correct is...

The statement that is NOT correct is

A

hypophosphorous acid reduces silver nitrate to silver

B

in solid state `PCl_(5)` exists as `[PCl_(4)]^(+)[PCl_(6)]^(-)`

C

pure phosphine is non-inflammable

D

phosphorous acid on heating disproportionates to give metaphosphoric acid and phosphine.

Text Solution

Verified by Experts

The correct Answer is:
D
`underset("acid")underset("Phosphorous")(4H_(3)PO_(3))underset(Delta)overset(200^(@)C)rarr underset("acid")underset("Orthophosphoric")(3H_(3)PO_(4))+underset("Phosphine")(PH_(3))`
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