Write down the details of electrolysis of aluminium oxide. What is obtained on
cathode and anode? Write down the chemical equations for both the
electrodes separately. (3 marks)
Answers
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Answer:
In cathode aluminium was obtained
In anode oxygen was obtained
Explanation:
Cathod is negetive electrode and anode is positive electrode so aluminium is positive ion and oxygen is negetive ion
At Cathod : 2Al--------> 2Al 3+ + 6e-
At anode : 3O2 + 6e------> 3O2-
2Al 3+ + 3O2- --------> Al2O3
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