Some halogen containing compounds are useful in daily life. Some compounds of this class are responsible for exposure of flora and fauna to more and more of UV light which causes destruction to a great extent. Name the class of these halocompounds. In your opinion, what should be done to minimise harmful effects of these compounds.

Explanation

CFCs are highly stable and non - toxic gases. These are also non-reactive. With the ozone, they initiate the chemical chain reaction and distrubs the natural balance of the ozone layer. If the ozone layer is thinned out, the UV rays reach to the earth which is harmful for flora and fauna. It is recommended that CFCs of refrigerator is replaced by some other compounds.