What happens when sodium metal is heated to a temperature `350^(@)C` in excess of dry air containing carbon dioxide gas ?

Options

A. `Na_(2)O_(2)` is formed.
B. `Na_(2)O` is formed
C. First `Na_(2)O_(2)` is formed which then converts into `Na_(2)CO_(3)`.
D. First `NaO` is formed which then converts into `Na_(2)CO_(3)`.

Answer

C

Explanation

`2Na+O_(2)overset(350^(@)C)rarr Na_(2)O_(2),`
`2Na_(2)O_(2)+2CO_(2) rarr 2Na_(2)CO_(3)+O_(2)`