Chemistry
Answer the following questions related to the electrolytic reduction of pure Alumina by Hall Heroult’s process.
(a) The reaction occurring at the anode.
(b) The reaction occurring at the cathode.
Metallurgy
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Answer
(a) At anode : 6O2- - 12e- ⟶ 3O2
(b) At cathode : 4Al3+ + 12e- ⟶ 4Al
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