Question

Anhydrous calcium chloride is exposed to air for sometime

Answer 1

When it is exposed it reacts with the CO2 present in air:

CaCl2+ Co2--> CaCO3+Cl2
It gives a storng smell of Chlorine.

Hope this helps!!

Answer 2

When anhydrous calcium chloride is exposed to Air for some time there is formation of calcium carbonate

Explanation:

• Air consists of considerable portion of carbon dioxide. When anhydrous calcium chloride is exposed to air there is displacement of the chloride Ion resulting in the formation of calcium carbonate.

• Calcium carbonate is a white amorphous substance which is seen at the bottom of the container. Chloride gas is also formed resulting in the formation of a a peculiar smell. The balanced chemical reaction is,

CaCl2+ CO2 (gas) -----> CaCO3 + Cl2(gas)

To know more,

Using the example of calcium chloride explain how the formula of ...

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