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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2001

  • question_answer
    The magnetic moment of complex \[Kn[Mn{{F}_{6}}]\] is \[4.9\text{ }BM\]. What is the oxidation of \[Mn\] and what is the value of n:

    A)  \[M(V);n=1\]

    B)  \[Mn(II);n=4\]

    C)  \[M(III);n=3\]

    D)  \[Mn(IV);n=2\]

    Correct Answer: D

    Solution :

    In \[Kn[Mn{{F}_{6}}]\] is \[n=3\] because the magnetic moment of \[M{{n}^{+3}}\] is \[4.9\]. \[2\sqrt{S(S+1)}=2\sqrt{2(2+1)}=4.9\] \[n=2\]


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