Question

Q. Fluorocarbons are effective scavenger for ozone due to

1. photolytic reaction of O² producing CI radical

2.photolytic decomposition of O³ producing O²

3. photolytic decomposition of O³ into CI wadi and O²

4. photolytic production of oxides of nitrogen
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Answer 1

Answer:

3 is the correct answer

Explanation:

ANSWER

CFCs absorb UV radiation in stratosphere and liberate chlorine atoms which in turn destroy ozone layer.

CFCl

3

hv

UV

CFCl

2

+Cl

∗

Cl

∗

+O

3

→ClO

∗

+O

2

ClO

∗

+(O)→Cl

∗

+

Answer 2

option c is correct

photolytic decomposition of O3 into CI and O2