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An aqueous solution of Al2O3 is electrolysed. Name the element collected at anode.

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asked Apr 25, 2017 in Chemistry by sforrest072 (157,439 points) ● 61 ● 410 ● 942

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answered May 1, 2017 by sarthaks (25,122 points) ● 9 ● 24 ● 36

In the electrolysis of molten alumina, Na3 AlF6 or CaF2 is added to pure alumina to lower the melting point and to increase the conductivity of the electrolyte. Here oxygen gas is liberated at the anode, while aluminium is collected at the anode.

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