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Question: Answered & Verified by Expert
Which one of the following is mainly responsible for depletion of ozone layer?
ChemistryEnvironmental ChemistryJIPMERJIPMER 2012
Options:
  • A Methane
  • B Carbon dioxide
  • C Water
  • D Chlorofluorocarbons
Solution:
2540 Upvotes Verified Answer
The correct answer is: Chlorofluorocarbons
Chlorofluorocarbons are responsible for the depletion of ozone layer as they provide Cl free radical which infact reacts with ozone and converts it into $\mathrm{O}_2$ as
$\mathrm{Cl}^{\bullet}+\mathrm{O}_3 \longrightarrow \mathrm{ClO}^{\bullet}+\mathrm{O}_2$

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