Question

Which type of oxide is obtained when
alkali metals are heated at high
temperature in excess of oxygen ?

Answer 1

Answer:

when alkali metals are burnt in oxygen, then the resultant oxide formed will be basic in nature

eg:- Na+O2===> Na2O

here the sodium oxide formed is basic in nature

Explanation:

Answer 2

Answer:

lithium oxide

Explanation:

Lithium burns with a strongly red-tinged flame if heated in air. It reacts with oxygen in the air to give white lithium oxide. With pure oxygen, the flame would simply be more intense

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