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Question
Which one of the following is mainly responsible for depletion of ozone layer?
Which one of the following is mainly responsible for depletion of ozone layer?
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Solution
The correct option is D Chlorofluorocarbon
Ozone layer depletion is due to the release of CFCs which are also known as freons.
Released CFCs come in contact with the normal atmospheric gases and eventually reach the stratosphere where they cause depletion in ozone layer.
CF2Cl2(g)UV⟶∙Cl(g)+ ∙CF2Cl(g)
∙Cl(g)+O3(g)→ ∙ClO(g)+O2(g)
∙ClO(g)+O(g)→∙Cl(g)+O2(g)
Ozone layer depletion is due to the release of CFCs which are also known as freons.
Released CFCs come in contact with the normal atmospheric gases and eventually reach the stratosphere where they cause depletion in ozone layer.
CF2Cl2(g)UV⟶∙Cl(g)+ ∙CF2Cl(g)
∙Cl(g)+O3(g)→ ∙ClO(g)+O2(g)
∙ClO(g)+O(g)→∙Cl(g)+O2(g)
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