In the reaction of phosphorous with conc. HNO 3 , the oxidized and reduced products respectively are

Question

In the reaction of phosphorous with conc. HNO 3 , the oxidized and reduced products respectively are, H 3 PO 4 , NO 2, H 3 PO 2 , NO, H 3 PO 3 , N 2 O, HPO 3 , NO

MARKS App · Accepted Answer

Concentrated nitric acid oxidises non–metals and their compounds. Phosphorus is oxidised to phosphoric acid and nitric acid is reduced to nitrogen dioxide. The reaction is shown below. P 4 + 20 HNO 3 → 4 H 3 PO 4 + 20 NO 2 + 4 H 2 O

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