p-Block elementsHard

Question

Concentrated nitric acid oxidises phasphours (P) into :

Options

A. PH₃

B.P₂O₅

C.HPO₃

D.H₃PO₄

Solution

P₄ + 20HNO₃ (concentrated) → 4H₃PO₄ + 20NO₂ + 4H₂O.

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