JEE Main 2020 (2 Sep, Shift 1) Chemistry Q38: The…

Question

The statement that is not true about ozone is :

Accepted Answer

Option 4: in the stratosphere, CFCs release chlorine free radicals ($\mathrm{Cl^{\cdot}}$) which reacts with $\mathrm{O_3}$ to give chlorine dioxide radicals.

Answer

in the stratosphere, it forms a protective shield against UV radiation.

Answer

in the atmosphere, it is depleted by CFCs.

Answer

it is a toxic gas and its reaction with NO gives $\mathrm{NO_2}$.

Answer

in the stratosphere, CFCs release chlorine free radicals ($\mathrm{Cl^{\cdot}}$) which reacts with $\mathrm{O_3}$ to give chlorine dioxide radicals.

JEE Main 2 September 2020, Shift 1, Chemistry Q38

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