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Why cannot aluminium metal be produced by the electrolysis of aqueous solution of aluminium salt ?

Answer» In aqueous solution, `H^(+)` ions will be also formed along formed along with `Al^(3+)` ions. `H^(+)` ions will be released in preference to `Al^(3+)` ionsat the cathode since their discharge potential is less. This means that `Al^(3+)` ions will remain in solution.


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