s - block Elements (Alkali and Alkaline Earth Metals)
Caustic alkalis are corrosive.
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Single Choice
Sodium burns in excess air to give mainly:
A$$Na_{2}O$$
B$$NaO_{2}$$
C$$Na_{2}O_{2}$$
Correct Answer
D$$NaH$$
Solution
Sodium burns in excess air to form peroxide ($$Na_2O_2$$).
$$2Na\ + O_2\ \xrightarrow { } Na_{ 2 }O_{ 2 }$$
SIMILAR QUESTIONS
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:
s - block Elements (Alkali and Alkaline Earth Metals)
Potassium is kept in
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