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  • Which of the following can prevent ozone depletion?Option: 1 NOOption: 2 <img alt="CF_2Cl_2

Which of the following can prevent ozone depletion?

Option: 1

NO


Option: 2

CF_2Cl_2


Option: 3

NO_2


Option: 4

None of these


Answers (1)

best_answer

As we have learnt,

Preventing ozone depletion 

During summer, \mathrm{NO_2} reacts with chlorine monoxide and methane reacts with chlorine atoms, forming chlorine sink, preventing ozone depletion as given below: 

\dot{Cl}\left ( g \right )+CH_{4}\left ( g \right )\rightarrow \dot{C}H_{3}\left ( g \right )+HCl\left ( g \right )

Cl\dot{O}\left ( g \right )+NO_{2}\left ( g \right )\rightarrow ClONO_{2}\left ( g \right )

Hence, the correct answer is Option (3)

Posted by

seema garhwal

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