JEE Main 2021 — Environmental Chemistry Question with Solution
JEE Main 2021 (27 Aug Shift 1)
Question
The gas is having very low reactivity reaches to stratosphere. It is non-toxic and non-flammable but dissociated by -radiations in stratosphere. The intermediates formed initially from the gas are:
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
The gas is Chloro-fluoro carbon. In presence of UV radiation it follows free radical mechanism. Formation of free radical as intermediate occurs due to homolytic fission of bond.
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 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.