AFMC AFMC Solved Paper-2011

  • question_answer
    \[\text{M}{{\text{g}}^{\text{2+}}}\] is isoelectronic with

    A) \[C{{u}^{2+}}\]                 

    B) \[Z{{n}^{2+}}\]

    C) \[N{{a}^{+}}\]                                   

    D) \[C{{a}^{2+}}\]

    Correct Answer: C

    Solution :

    Isoelectronic species have same number of electron. \[\text{M}{{\text{g}}^{\text{2+}}}(12-2)\]and \[\text{N}{{\text{a}}^{\text{+}}}(11-1)\]both have 10 electrons hence, they are  isoelectronic species.


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