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Salt of bromide when treated with HCl, KMnO₄, and CCl₄ gives brown layer of Br₂. In this reaction Br oxidized into Br₂ by?

Salt of bromide when treated with HCl, KMnO₄, and CCl₄ gives brown layer of Br₂. In this reaction Br oxidized into Br₂ by?

Explanation
  • KMnO₄ acts as an oxidizing agent and converts bromide ions (Br⁻) into molecular bromine (Br₂).
  • Br₂ appears as a brown layer in CCl₄, indicating oxidation by KMnO₄.