Aluminium isextractedfromalumina (Al_2 O_3)byelectrolysisofa moltenmix – InterviewSolution

1.	Aluminium isextractedfromalumina (Al_2 O_3)byelectrolysisofa moltenmixture of
Answer» ` Al_2O_3 + HF + NaAlF_4` `Al_2O_3 + CaF_ 2+ NaAlF_ 4` ` Al_2 O_ 3 + Na_3AlF_6 + CaF_ 2` `Al_2O_3 + KF + Na_2AlF_6 ` Solution : ` AL _2O_3+Na_3 AlF_6 + C aF_2`

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