RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    Which one of the following does not has its magnetic moments value equal to \[5.9\] Bohr magneton:

    A)  \[C{{r}^{+}}\]                   

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

    C)                         \[F{{e}^{+3}}\]                                

    D)                         \[C{{O}^{+3}}\]

    Correct Answer: A

    Solution :

    The value of magnetic momentum calculated by \[\mu =\sqrt{n(n+2)}\] Where n = number of unpaired electron. There   are   5   unpaired   electron \[F{{e}^{+3}},\] \[M{{n}^{+2}},\] \[C{{r}^{+1}}\] So, \[\mu =5.9\]Bohr magneton


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