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

Question 1 Report

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

SO₂ + 2HNO₂ → H₂SO₄ + 2NO₂ + heat

2SO₂ + 2H₂O + O₂ → 2H₂SO₄

SO₂ + 2H₂O + CI₂ → H₂SO₄ + 2HCI

SO₂ + 2H₂S → 3S + 2H₂O

K₂Cr₂O₇ + H₂SO₄ + 3SO₂ → K₂SO₄ + Cr₂(SO₄)₃ + H₂O

Oxidation And Reduction

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