JEE Main & Advanced JEE Main Paper (Held On 09-Jan-2019 Morning)

  • question_answer
    The highest value of the calculated spin only magnetic moment (in BM) among all the transition metal complexes is- [JEE Main Online Paper (Held On 09-Jan-2019 Morning]

    A) 6.93

    B) 5.92

    C) 4.90

    D) 3.87

    Correct Answer: B

    Solution :

    Metal complex can contain maximum 5 unpaired e- in d-subshell of metal \[\mu \,\,=\,\,\sqrt{n(n+2)}\,\,BM\] n = no. of unpaired e- \[n\text{ }=\text{ }5\] \[\mu \,\,=\,\,\sqrt{5(5+2)}\,\,BM\] \[\mu \,\,=\,\,\sqrt{35}=5.92\,\,BM\] Ex. \[M{{n}^{+2}}\] complex


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