Which of the following equations represents an oxidizing action of sulphur dioxide?

Chemistry

JAMB 1982

A. SO₂ + 2HNO₂ → H₂SO₄ + 2NO₂ + heat
B. 2SO₂ + 2H₂O + O₂ → 2H₂SO₄
C. SO₂ + 2H₂O + CI₂ → H₂SO₄ + 2HCI
D. SO₂ + 2H₂S → 3S + 2H₂O
E. K₂Cr₂O₇ + H₂SO₄ + 3SO₂ → K₂SO₄ + Cr₂(SO₄)₃ + H₂O

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Correct Answer: Option D

Explanation

Option D is the correct answer.

In this reaction, sulphur dioxide (SO\(_2\)) acts as an oxidizing agent because it removes electrons from (oxidizes) H\(_2\)S while itself being reduced.

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Which of the following equations represents an oxidizing action of sulphur dioxide?

Correct Answer: Option D

Explanation

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