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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Atomic number, Mass number Atomic species

  • question_answer
    \[CO\] has same electrons as or the ion that is isoelectronic with \[CO\] is                                            [CPMT 1984; IIT 1982; EAMCET 1990; CBSE PMT 1997]

    A)                 \[N_{2}^{+}\]   

    B)                 \[C{{N}^{-}}\]

    C)                 \[O_{2}^{+}\]   

    D)                 \[O_{2}^{-}\]

    Correct Answer: B

    Solution :

               CO and \[C{{N}^{-}}\] are  isoelectronic.                 \[CO=6+8=14\] and \[C{{N}^{-}}=6+7+1=14\].


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