JIPMER Jipmer Medical Solved Paper-2012

  • question_answer
    Which one of the following is mainly responsible for depletion of ozone layer?

    A) Methane            

    B)        Carbon dioxide

    C)        Water                  

    D)        Chlorofluorocarbons

    Correct Answer: D

    Solution :

    Chlorofluorocarbons are responsible for the depletion of ozone layer as they provide\[Cl\] free radical which in fact reacts with ozone and converts it into \[{{O}_{2}}\] as \[C{{l}^{*}}+{{O}_{3}}\xrightarrow{{}}Cl{{O}^{*}}+{{O}_{2}}.\]


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