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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Self Evaluation Test - Structure of Atom

  • question_answer
    Among the following groupings which represents the collection of isoelectronic species?

    A) \[N{{O}^{+}},C_{2}^{2-},O_{2}^{-},CO\]

    B) \[{{N}_{2}},C_{2}^{2-},CO,NO\]

    C) \[CO,N{{O}^{+}},C{{N}^{-}},C_{2}^{2-}\]

    D) \[NO,C{{N}^{-}},{{N}_{2}},O_{2}^{-}\]

    Correct Answer: C

    Solution :

    [c] The species \[CO,\,N{{O}^{+}},C{{N}_{2}}^{-}\] and \[{{C}_{2}}{{^{2-}}^{~}}\]contain 14 electrons each.


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