Question

What happens when p4,as4 and sb is separately treated with hot and concentrated nitric acid​

Answer 1

Phosphorous reacts with hot and concentrated nitric acid to form Phophoric acid.

Arsenic reacts with hot and concentrated nitric acid to form corresponding oxyacid.

Antimony reacts with hot and concentrated nitric acid to form antimony oxide.

Step by step explanation:

Reaction of Phosphorous;

phosphorous reacts with hot and concentrated nitric acid to form phosphoric acid.

The chemical reaction is as follows.

$\bold{P_{4}+20HNO_{3}\rightarrow 4H_{3}PO_{4}+20NO_{2}+4H_{2}O}$

Reaction of Arsenic;

Arsenic reacts with hot and concentrated nitric acid to form Arsenic acid.

The chemical reaction is as follows.

$\bold{As_{4}+20HNO_{3}\rightarrow 4H_{3}AsO_{4}+20NO_{2}+4H_{2}O}$

Reaction of Antimony;

Antimony reacts with hot and concentrated nitric acid to form Antimony oxide.

The chemical reaction is as follows.

$\bold{4Sb+20HNO_{3}\rightarrow Sb_{4}O_{10}+20NO_{2}+10H_{2}O}$

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