JCECE Engineering JCECE Engineering Solved Paper-2006

  • question_answer
    Which one is isoelectronic with\[CO?\]

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

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

    C) \[C{{N}^{-}}\]                                   

    D) \[NO\]

    Correct Answer: C

    Solution :

    Isoelectronic species are the species having same number of electrons. Number of electrons in\[CO=6+8=14\] Number of electrons in\[N_{2}^{-}=14+1=15\] Number of electrons in\[N_{2}^{+}=14-1=13\] Number of electrons in\[C{{N}^{-}}=6+7+1=14\] Number of electrons in\[NO=7+8=15\] So, \[C{{N}^{-}}\] and \[CO\] are isoelectronic species.


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