BHU PMT BHU PMT (Mains) Solved Paper-2006

  • question_answer
    Which of the following is paramagnetic?

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

    B) \[A{{g}^{+}}\]

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

    D) \[A{{u}^{+}}\]

    Correct Answer: A

    Solution :

                     Paramagnetic species has unpaired electron. \[C{{u}^{2+}}(Z=29):[Ar]3{{d}^{9}},4{{s}^{0}}\] \[C{{u}^{2+}}\]has one unpaired electron hence, it is paramagnetic in nature.


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