JEE Main 2020ChemistryEnvironmental ChemistryEasyMCQ

JEE Main 2020Environmental Chemistry Question with Solution

JEE Main 2020 (02 Sep Shift 1)

Question

The statement that is not true about ozone is :

Choose an option

Show full solutionCorrect option: A
Correct answer
Ain the stratosphere, CFCs release chlorine free radicals CI which reacts with O3 to give chlorine

Step-by-step explanation

In presence of sunlight CFC’s molecule divides & release chlorine free radical, which react with ozone give chlorine monoxide radical (ClO) and oxygen

CF2Cl2gUVC˙lg+C˙F2Clg

Cl*(g)+O3(g)ClO*(g)+O2(g)

ClO(g)+O(g)Cl'(g)+O2(g)

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About this question

This is a previous-year question from JEE Main 2020, covering the Environmental Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.