State the conditions under which the preparation of aluminium is carri – InterviewSolution

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1.	State the conditions under which the preparation of aluminium is carried out. Give the necessary equations which need not be balanced.
Answer» `Al + NaOH overset("Aqeous")rarrNaAlO_(2) + H_(2)O` `NaAlO_(2) overset(CO_(2))rarr Al(OH)_(3) + Na_(2)CO_(3)` `Al(OH)_(3) overset(Delta)rarr underset("Alumina")(Al_(2)O_(3))+ H_(2)O`.

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