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AP EAMCET2001ChemistryElectrochemistry

During the electrolytic reduction of alumina, the reaction at cathode is

Options

  1. A2 H ₂ O O ₂+4 H ⁺+4 e⁻
  2. B3 ~F ⁻ 3 ~F +3 e⁻
  3. CAl ³⁺+3 e⁻ Al
  4. D2 H ⁺+2 e⁻ H ₂

Correct answer

A. 2 H ₂ O O ₂+4 H ⁺+4 e⁻

Step-by-step solution

In electrolytic reduction of alumina at cathode Al ³⁺+3 e Al

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