The reaction NOT involved in ozone layer... | Environmental Chemistry

JEE MAIN 2019

10-01-2019 S2

Question

The reaction that is NOT involved in the ozone layer depletion mechanism in the stratosphere is :

Select the correct option:

$\mathrm{HOCl}(\mathrm{g}) \xrightarrow{\mathrm{h} \nu} \dot{\mathrm{O}} \mathrm{H}(\mathrm{g})+\dot{\mathrm{C}} \mathrm{l}(\mathrm{g})$

$\mathrm{CH}_4+2 \mathrm{O}_3 \longrightarrow 3 \mathrm{CH}_2=\mathrm{O}+2 \mathrm{H}_2 \mathrm{O}$

$\mathrm{Cl} \dot{\mathrm{O}}(\mathrm{g})+\mathrm{O}(\mathrm{g}) \longrightarrow \dot{\mathrm{C}}(\mathrm{g})+\mathrm{O}_2(\mathrm{~g})$

$\mathrm{CF}_2 \mathrm{Cl}_2(\mathrm{~g}) \xrightarrow{\text { uv }} \dot{\mathrm{C}} \mathrm{l}(\mathrm{g})+\dot{\mathrm{C}} \mathrm{F}_2 \mathrm{Cl}(\mathrm{g})$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

$\mathrm{CH}_4+2 \mathrm{O}_3 \rightarrow 3 \mathrm{CH}_2=\mathrm{O}+3 \mathrm{H}_2 \mathrm{O}$ not involved in the ozone layer.

Question Tags

JEE Main

Chemistry

Easy

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