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Environmental Chemistry

JEE Main level, single correct, medium

1 of 2

Question 1 of 2

The free radical primarily responsible for ozone layer depletion in the stratosphere is:

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Answer: (D) $Cl^\bullet$

Chlorofluorocarbons release chlorine free radicals (

Cl^\bullet

) under UV radiation, breaking ozone catalytic cycles.

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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More Chemistry practice

Environmental ChemistryPhotochemical smog is primarily composed of:
Chemical BondingAccording to Molecular Orbital Theory, which of the following species has the highest bond order?
Coordination CompoundsThe magnetic moment of $[Fe(CN)_6]^{3-}$ complex ion according to spin-only formula is approximately:
Organic ChemistryToluene on reaction with $CrO_2Cl_2$ in $CS_2$ followed by hydrolysis gives benzaldehyde. This reaction is known as:
Chemical KineticsFor a first order reaction, the time required for $99.9\%$ completion is related to its half-life $t_{1/2}$ by:
ThermodynamicsA reaction is spontaneous at all temperatures if:

JEE Main Chemistry practice question on Environmental Chemistry, with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.