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JIPMER 2012
Exam
JIPMER
Year
2012
Subject
Chemistry
Chapter
Environmental Chemistry

JIPMER 2012 · Chemistry · Environmental Chemistry

Which one of the following is mainly responsible for depletion of...

Which one of the following is mainly responsible for depletion of ozone layer?

Options

  1. AMethane
  2. BCarbon dioxide
  3. CWater
  4. DChlorofluorocarbons

Correct answer

D. Chlorofluorocarbons

Step-by-step solution

Chlorofluorocarbons are responsible for the depletion of ozone layer as they provide Cl free radical which infact reacts with ozone and converts it into O2\mathrm{O}_2 as Cl∙+O3⟶ClO∙+O2\mathrm{Cl}^{\bullet}+\mathrm{O}_3 \longrightarrow \mathrm{ClO}^{\bullet}+\mathrm{O}_2
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