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JIPMER Jipmer Medical Solved Paper-1996

  • question_answer
    A 3d-electron having spin quantum number, \[s=+\frac{1}{2},\] can have a magnetic quantum number:

    A)  + 3                                        

    B)  - 2                         

    C)  + 4                        

    D)         - 3

    Correct Answer: B

    Solution :

    For d-sub-shell, the value of azimuthal quantum number \[(l)=2.\] \[\therefore \] Total number of values of \[m=(2l+1)=5\] These five values of m are -2, -1, 0, +1 and +2. Hence, 3d-electron can have -2 magnetic quantum number. (-3 and +3 values are possible only for f-orbitals)


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