1.

Consider the following reactions provided by scientists working in Antrctica about ozone hole. (I) `ClO^(.)+NO_(2) rarr ClONO_(2)` (II) `Cl^(.)+CH_(4) rarr overset(.)(C )H_(3)+HCl` (III) `ClONO_(2)+H_(2)O rarr HOCl+HNO_(3)` (IV) `ClONO_(2)+HCl rarr Cl_(2)+HNO_(3)` In summer season, there is less depletion of ozone layers due to reactions.A. both I and IIIB. both III and IVC. Both I and IID. Both II and IV

Answer» Correct Answer - C
In summer season, reaction `I` and reaction II take place, `Coverset(.)(I)` (which cause depletion) is eliminated, hence less destruction to `O_(3)` layer.


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