What does the reaction H2S + H2O2→ S + 2H2O manifest?

H2S + H2O2 → S + 2H2O

The reaction manifests the oxidizing nature of H2O2 as it oxidizes S from -2 to 0 oxidation states.

  • H2S is a reducing agent, H2O2 is an oxidizing agent.
  • This is an oxidation-reduction (redox) reaction
  • Hydrogen sulphide is a colourless compressed liquefied gas with the characteristic odour of rotten eggs

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