s-Block ElementsHard
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.
Create a free account to view solution
View Solution FreeMore s-Block Elements Questions
A piece of magnesium ribbon was heated to redness in an atmosphere of nitrogen and on cooling, water was added, the gas ...In view of their ionisation energies, the alkali metals are :...Which one of the following electrolyte is used in Down′s process of extracting sodium metal ?...Sodium dichromate on heating with coke yields ;...When SO2 gas in excess is passed into an aqueous solution of Na2CO3, product formed is :...