During electrolysis of aluminium oxide the product at the cathode undergoes:- a)reduction b)oxidation c)both (a) and (b) d)no reaction takes place please give reason

Asked by sumandeesinghrana | 12th Oct, 2010, 03:11: PM

Expert Answer:

Dear Student
 
The answer is (a) Reduction
As aluminium ions  take electron and form aluminium

[Reduction is gain of electrons and oxidation is lose of electrons]

Al3+ + 3e- -------> Al
 
We Hope that clarifies your query
 
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Team
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Answered by  | 12th Oct, 2010, 06:45: PM

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