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BCECE Medical BCECE Medical Solved Papers-2007

  • question_answer
    Least stable oxide of chlorine is

    A)  \[C{{l}_{2}}O\]

    B)  \[Cl{{O}_{2}}\]

    C)  \[C{{l}_{2}}{{O}_{7}}\]

    D)  \[Cl{{O}_{3}}\]

    Correct Answer: A

    Solution :

    Key Idea: the stability of oxides increases with increase in oxidation state of halogen,
    Oxide Oxidation state of halogen
    \[C{{l}_{2}}O\] +1
    \[Cl{{O}_{2}}\] +4
    \[Cl{{O}_{3}}\] +6
    \[C{{l}_{2}}{{O}_{7}}\] +7
    \[\therefore \] \[C{{l}_{2}}O\] is least stable oxide of chlorine


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