Sulphur dioxide is one of the components of polluted air. SO2 is also a major contributor to acid rain. The correct and complete reaction to represent acid rain caused by SO2 is :

Question

Sulphur dioxide is one of the components of polluted air. SO₂ is also a major contributor to acid rain. The correct and complete reaction to represent acid rain caused by SO₂ is :

2SO₂ + O₂ $\to$ 2SO₃

SO₂ + O₃ $\to$ SO₃ + O₂

SO₂ + H₂O₂ $\to$ H₂SO₄

2SO₂ + O₂ + 2H₂O $\to$ 2H₂SO₄

Solution

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