Which of the following is responsibe for the depletion of the ozone layer in the upper strata of the atmosphere?
A
Polyhalogens
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B
Ferrocene
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C
Fullerenes
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D
Freons
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Solution
The correct option is D Freons Freon gas is a type of CFC (chlorofluoro carbon), it contains carbon and hydrogen along with fluorine and chlorine. It is used as a refrigerant. CFCs release chlorine atoms in the atmosphere that react with ozone and causes the deteroration of the layer.