Digestion and AbsorptionHard
Question
Which one of the alkali metals, forms only, the normal oxide, M2O on heating in air ?
Options
A.Rb
B.K
C.Li
D.Na
Solution
Li is the alkali metal which forms only normal oxide Li2O when heated in air.
2Li + 1/2 → Li2O
Sodium, when heated in air, forms peroxide while heavier alkali metal form superoxide as the major product.
2Li + 1/2 → Li2O
Sodium, when heated in air, forms peroxide while heavier alkali metal form superoxide as the major product.
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