JEE Main & Advanced Chemistry Structure of Atom Question Bank Quantum number, Electronic configuration and Shape of orbitals

  • question_answer Which of the following set of quantum number is not possible                                   [Pb. PMT 2002]

    A)                 n-3         l-2           \[{{m}_{1}}\]-1  \[{{m}_{2}}\]- +1/2

    B)                 n ? 3                      l ? 2                        \[{{m}_{1}}\]-1                  \[{{m}_{2}}\]- ? 1/2

    C)                 n ? 3                      l ? 2                        \[{{m}_{1}}\]-1                  \[{{m}_{2}}\]- 0

    D)                 n ? 5                      l ? 2                        \[{{m}_{1}}\]- ? 1                             \[{{m}_{2}}\]- + 1/2

    Correct Answer: C

    Solution :

               n ? 3                                         l ? 2             \[{{m}_{1}}\]-1              \[{{m}_{2}}\]- 0 This set C is not possible because spin quantum number values \[=\pm \,\frac{1}{2}.\]

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