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

The discharge potential of Al3+  ion is higher than that of H+ , thus if we are using the aqueous solution of aluminium salt the hydronium ions are preferably discharged giving H2 gas at cathode and Al will remain in the solution. Thus we can not get Aluminium metal by electrolysis.

Published by Ankush Sharma

I am M.Sc (chemistry ) from Punjabi University Patiala. I am a science teacher with expertise in chemistry, with 8 years of experience in teaching. Writing and blogging is my hobby, I write whenever I am free. I am constantly working on creating a new and easy way of learning the tough things in an effective way. I am constantly working to make authentic and reliable information to be shared with my students and widen the horizons of knowledge.

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