The statement that is not true about ozone is:

  • A
    In the stratosphere,it forms a protective shield against $UV$ radiation.
  • B
    It is a toxic gas and its reaction with $NO$ gives $NO_{2}$.
  • C
    In the atmosphere,it is depleted by $CFCs$.
  • D
    In the stratosphere,$CFCs$ release chlorine free radicals $(Cl)$ which react with $O_{3}$ to give chlorine dioxide radicals.

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