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Question

The reaction H2S+H2O22H2O+S shows


A

Oxidizing action of H2S

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B

Reducing action of H2S

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C

Alkaline nature of H2S

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D

Acidic nature of H2S

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Solution

The correct option is B

Reducing action of H2S


In this reaction H2O2 acts as an oxidising agent and H2S acts as a reducing agent as sulphur gains electron and changes its oxidation state from -2 to 0. As its oxidation state increases, it reduces other reactants.


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