Single Choice

If $$Na$$ is heated in presence of air, it forms

A$$Na_2CO_3$$
B$$Na_2O_2$$
C$$Na_2O$$
DBoth $$ (B)$$ and $$(C)$$
Correct Answer

Solution

When Na is heated in the presence of air or oxygen, Na burns to form sodium oxide and sodium peroxide.

6Na+2O2→2Na2O+Na2O2

SIMILAR QUESTIONS

s - block Elements (Alkali and Alkaline Earth Metals)

Sodium burns in excess air to give mainly:

s - block Elements (Alkali and Alkaline Earth Metals)

Caustic alkalis are corrosive.

s - block Elements (Alkali and Alkaline Earth Metals)

Sodium metal cannot be stored under

s - block Elements (Alkali and Alkaline Earth Metals)

The violet flame shown by potassium in Bunsen flame is due to jumping of the electron from :

s - block Elements (Alkali and Alkaline Earth Metals)

A metal which does not react with nitrogen is:

s - block Elements (Alkali and Alkaline Earth Metals)

Why is calcium preferred over sodium to remove the last traces of moisture from alcohol?

s - block Elements (Alkali and Alkaline Earth Metals)

Why is sodium metal kept under kerosene oil ?

s - block Elements (Alkali and Alkaline Earth Metals)

Why is calcium preferred over sodium to remove last traces of moisture from alcohol?

s - block Elements (Alkali and Alkaline Earth Metals)

The alkali metal that reacts with nitrogen directly to form nitride is:

s - block Elements (Alkali and Alkaline Earth Metals)

When sodium is heated in moist air, the ultimate product obtained is:

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