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Question
State briefly the reactions causing ozone layer depletion in the stratosphere.
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Solution
The decomposition products of CFCs destroy ozone as it shown in the following reaction:
CF2Cl2(g)+hv→Cl(g)+CF2Cl(g)
Cl(g)+O3(g)→ClO(g)+O2(g)
ClO(g)+O(g)→Cl+O2(g)
The decomposition products of CFCs destroy ozone as it shown in the following reaction:
CF2Cl2(g)+hv→Cl(g)+CF2Cl(g)
Cl(g)+O3(g)→ClO(g)+O2(g)
ClO(g)+O(g)→Cl+O2(g)
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