JEE Main 2021 — Environmental Chemistry Question with Solution
JEE Main 2021 (26 Feb Shift 1)
Question
The presence of ozone in troposphere:
Choose an option
Show full solutionCorrect option: D
Correct answer
Dgenerates photochemical smog
Step-by-step explanation
The presence of ozone in troposphere generates photochemical smog.
Ozone acts as an important infrared absorber (greenhouse gas), particularly in the upper troposphere, and also is an absorber of solar ultraviolet (UV) radiation.
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This is a previous-year question from JEE Main 2021, 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.