Home Chemistry Enviromental Chemistry ( Not In Syllabus ) JEE ADVANCED Previous Year Question Which of the following statements about the …
Chemistry Enviromental Chemistry ( Not In Syllabus ) JEE ADVANCED Previous Year Question Single Correct MCQ
Published on: August 14, 2026

Which of the following statements about the deletion of ozone layer is correct ?

A
The problem of ozone depletion is less serious at poles because NO 2 solidifies and is not available for consuming ClO ∙ radius.
B
The problem of ozone depletion is more serious at poles because ice crystable in the clouds over poles act as catalyst for photochemical reactions involving the decomposition of ozone by Cl ∙ and ClO ∙ radicals.
C
Freons, chlorofluorocarbons, are inert chemically, they do not react with ozone in stratosphere.
D
Oxides of nitrogen also do not react with ozone in stratosphere.

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The correct answer is:
B
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