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Question
Give an example of a reaction where hydrogen sulphide behaves as reducing agent.
Short Answer
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Solution
When hydrogen sulphide gas (H2S) is passed through a chlorine solution, it reduces chlorine to hydrochloric acid (HCl) and itself gets oxidised to sulphur.
\[\ce{H2S + Cl2 -> 2HCl + S ↓}\]
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