From the following, identify the reactions which are responsible for depletion of ozone layer.…

From the following, identify the reactions which are responsible for depletion of ozone layer. $\begin{aligned} & \mathrm{Cl} \dot{\mathrm{O}}(g)+\mathrm{NO}_2(g) \rightarrow \mathrm{ClONO}_2(g) \\ & \mathrm{CF}_2 \mathrm{Cl}_2(g) \xrightarrow{\text { uv }} \mathrm{Cl}(g)+\dot{\mathrm{CF}}_2 \mathrm{Cl}(g) \\ & \dot{\mathrm{Cl}}(g)+\mathrm{CH}_4(g) \rightarrow \mathrm{HCl}(g)+\dot{\mathrm{C}} \mathrm{H}_3(g) \\ & \dot{\mathrm{C}} \mathrm{l}(\mathrm{g})+\mathrm{O}_3(g) \rightarrow \mathrm{Cl} \dot{\mathrm{O}}(g)+\mathrm{O}_2(g) \\ & \mathrm{Cl} \dot{\mathrm{O}}(g)+\mathrm{O}(g) \rightarrow \dot{\mathrm{C}} \mathrm{l}(g)+\mathrm{O}_2(g) \end{aligned}$
  1. $\mathrm{a}, \mathrm{c}, \mathrm{d}$
  2. $\mathrm{a}, \mathrm{b}, \mathrm{c}$
  3. $\mathrm{b}, \mathrm{d}, \mathrm{e}$
  4. $\mathrm{b}, \mathrm{c}, \mathrm{d}$

Solution

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Asked in: AP EAMCET 2017 (25 Apr Shift 2)

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