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NEET Sample Paper NEET Sample Test Paper-10

  • question_answer
    The magnetic moment (in BM) of \[Z{{n}^{2+}}\] ion according to spin-only formula is

    A)  zero               

    B)  \[1.73\]

    C)  \[2.84\]                       

    D)  \[3.87\]

    Correct Answer: A

    Solution :

    \[Z{{n}^{2+}}\,(Z=30)\,\,:\,\,\,[Ar]\,\,3{{d}^{10}},\] \[4{{s}^{o}}\] zero unpaired magnetic moment                         \[(\mu )=\sqrt{n(n+2)}\,\,\,=\,\,\,\sqrt{0(0+2)}\]                                                 \[\mu =0\]


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