What happens when sodium is left free in the air? Give equation.
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In ordinary air, sodium metal reacts to form a sodium hydroxide film, which can rapidly absorb carbon dioxide from the air, forming sodium bicarbonate. Sodium does not react with nitrogen, so sodium is usually kept immersed in a nitrogen atmosphere (or in inert liquids such as kerosene or naphtha).
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Explanation:
sodium metal is heated in free supply of air to form sodium peroxide and sodium oxide.
2Na(s)+O 2 (g)→Na 2 O(s) minor product
Na 2O 2 (s)+2H 2 O(l)→2NaOH(aq)+H 2 O 2 (l)
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