1.

Give balanced equations for the following : Phosphorous reacts with nitric acid to give equimolar ratio of nitric oxide and nitrogen dioxide.

Answer» (ii) Phosphoric acid is obtained.
`4 P + 10 HNO_3 + H_2 O rarr 5 NO + 5 NO_2 + 4 H_3 PO_4`
`[P rarr PO_4 ^(3-) , No_3 ^(Ө) rarr NO_2]`.


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