Which of the following gas is formed when potassium sulphite reacts with dilute nitric acid?

SO₃

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SO₂

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NO₂

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CO₂

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Solution

The correct option is B
SO₂

Potassium sulphite reacts with dilute nitric acid to form soluble potassium nitrate, water and sulphur dioxide gas.

$K_{2} S O_{3} + 2 H N O_{3} \to 2 K N O_{3} + H_{2} O + S O_{2} (g)$

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Which of the following gas is formed when potassium sulphite reacts with dilute nitric acid?

The correct option is B SO2 Potassium sulphite reacts with dilute nitric acid to form soluble potassium nitrate, water and sulphur dioxide gas. K2SO3+2HNO3→2KNO3+H2O+SO2(g)

The correct option is B
SO₂

Potassium sulphite reacts with dilute nitric acid to form soluble potassium nitrate, water and sulphur dioxide gas.

$K_{2} S O_{3} + 2 H N O_{3} \to 2 K N O_{3} + H_{2} O + S O_{2} (g)$