State the various uses of :
Freons

Explanation

Freons : These are used as aerosol propellants, refrigeration and airconditioning purposes.
The chlorofluorocarbon compounds of methane and ethane are collectively known as freons. They are extremely stable, unreactive. non - toxic, non - corrosive and easily liquefiable gases.
Freon 12 `(C Cl_(2)F)` is one of the most common freons in inductrial use. It is manufactured from tetrachloromethane by Swarts reaction.
These are usually produced for aerosol propellants, refrigeration and air conditioning purposes.
By 1974, total freon production in the world was about 2 billion pounds annually.