Question

In the electrolysis of alumina using cryolite, the reaction that takes place at cathode is

Answer 1

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Answer 2

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• Cryolite and fluorspar acts as a solvent. The electrolytic reduction of alumina is done by hall heroult's process. The reaction at cathode is the reduction of aluminium(III) ions to aluminium metal. In this method, each Al(III) cation gains three electrons to form Al metal

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