KVPY Sample Paper KVPY Stream-SX Model Paper-8

  • question_answer
    The reaction that is NOT involved in the ozone layer depletion mechanism in the stratosphere is:

    A) \[C{{F}_{2}}C{{l}_{2}}(g)\xrightarrow[{}]{uv}Cl(g)+C{{F}_{2}}Cl(g)\]

    B) \[ClO(g)+O(g)\to Cl(g)+{{O}_{2}}(g)\]

    C) \[C{{H}_{4}}+2{{O}_{3}}\to 3C{{H}_{2}}=O+3{{H}_{2}}O\]

    D) \[HOCl(g)\xrightarrow[{}]{hv}OH(g)+Cl(g)\]

    Correct Answer: C

    Solution :

    \[C{{H}_{4}}\] is not present in stratosphere.


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