Chemistry
Grade-10
Easy

Question

At the anode what is the product formed in the electrolytic reduction of alumina:

  1. Carbon dioxide, Oxygen
  2. Oxygen
  3. Fluorine
  4. Oxygen, fluorine

hintHint:

At anode Oxidation Takes Place.

The correct answer is: Oxygen


    • Thick graphite rods are suspended at anode
    • Reaction will be 6O2- + 12e-→ 6[O]
                                3O + 3O → 3O2
    • Anode is oxidised  2C + O2 → 2CO
                                    2CO + O2 → 2CO2 

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