Chemistry
Explain the formation of ozone in the atmosphere.
Pollution
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Answer
Ozone is formed by the action of ultraviolet rays of the Sun on oxygen.
3O2 (g) ⟶ 2O3 (g)
High energy ultra violet radiation, help in breaking oxygen molecules into oxygen atoms.
O2 + UV ⟶ O + O
Oxygen atoms then react with oxygen molecule to form ozone.
O + O2 ⟶ O3
Net reaction : 3O2 + UV ⟶ 2O3
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