8.23. Chlorine is used to purify drinking water. Excess of chlorine is harmful. The excess of chlorine is removed by treating with sulphur dioxide. Present a balanced equation for this redox change taking place in water.

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Vishal Baghel | Contributor-Level 10

10 months ago

The balanced chemical reaction for the redox reaction between chlorine and sulphur dioxide is:

Cl₂? + SO₂? + 2H₂? O → 2Cl⁻ + SO₄²⁻? + 4H⁺.

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