JEE Main 2019 — Environmental Chemistry Question with Solution
From: JEE Main 2019 (Online) 8th April Morning Slot
Question
Assertion : Ozone is destroyed by CFCs in the upper stratosphere.
Reason : Ozone holes increase the amount of UV radiation the earth.
Reason : Ozone holes increase the amount of UV radiation the earth.
Choose an option
Show full solutionCorrect option: C
Correct answer
CAssertion and reason are correct but, the reason is not the explanation for the assertion
Step-by-step explanation
CFC’s are responsible for depletion of ozone
layer.
When the ozone holes increases more UV rays will enter the earth.
So here both Assertion and reason are correct but reason is not the correct explanation for why CFC is destroying the ozone layer.
When the ozone holes increases more UV rays will enter the earth.
So here both Assertion and reason are correct but reason is not the correct explanation for why CFC is destroying the ozone layer.
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Environmental Chemistry chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2019, 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.