JEE Main Chemistry question

Which of the following is responsible for the depletion of the ozone layer in the upper strata of the atmosphere?

(A)Polyhalogens
(B)Ferrocenes
(C)Fullerenes
(D)FreonsCorrect

Answer: (D)

Solution

Freons (chlorofluorocarbons) are chemically inert and volatile enough to reach the stratosphere, where UV light photolyses them to release chlorine radicals

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Question ID VK-141873