1.

Nitric acid (conc.) oxidises phosphorus to

Answer»

`H_(3)PO_(4)`
`P_(2)O_(5)`
`H_(3)PO_(3)`
`H_(4)P_(2)O_(7)`.

Solution :`P_(4)+20HNO_(3)" (CONC.)"rarr 4H_(3)PO_(4)+20NO_(2)+4H_(2)O`


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