Chemistry
Write the reaction taking place at the cathode and anode in the following process shown by a diagram.
Metallurgy
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Answer
Reaction at anode :
6O2- - 12e- ⟶ 6[O]
3[O] + 3[O] ⟶ 3O2
Anode is oxidised to carbon monoxide which further forms carbon dioxide
2C + O2 ⟶ 2CO
2CO + O2 ⟶ 2CO2
Reaction at cathode : 4Al3+ + 12e- ⟶ 4Al
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