Question:
The reaction that is NOT involved in the ozone layer depletion mechanism in the stratosphere is:
Correct Option: , 3
Solution:
The reaction, $\mathrm{CH}_{4}+2 \mathrm{O}_{3}^{-} \rightarrow 3 \mathrm{CH}_{2}=\mathrm{O}+3 \mathrm{H}_{2} \mathrm{O}$, not involved in the ozone layer depletion mechanism.