JCECE Medical JCECE Medical Solved Paper-2013

  • question_answer
    Which of the following is isoelectronic pair?

    A) \[C{{N}^{-}},{{O}_{3}}\]

    B)  \[Cl{{O}_{2}},Br{{F}_{2}}\]

    C)  \[Br{{O}^{-}}_{2},BrF_{2}^{+}\]

    D)  \[lC{{l}_{2}},Cl{{O}_{3}}\]

    Correct Answer: C

    Solution :

     Both \[BrO_{2}^{-}(35+2\times 8+1=52)\] and \[BrF_{2}^{+}(35+2\times 9-1=52)\]have 52 electrons.


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