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

  • question_answer The set of quantum numbers not applicable for an electron in an atom is                                              [MNR 1994]

    A)                 \[n=1,\,l=1,\,{{m}_{l}}=1,\,{{m}_{s}}=+1/2\]

    B)                 \[n=1,\,l=0,\,{{m}_{l}}=0,\,{{m}_{s}}=+1/2\]

    C)                 \[n=1,\,l=0,\,{{m}_{l}}=0,\,{{m}_{s}}=-1/2\]

    D)                 \[n=2,\,l=0,\,{{m}_{l}}=0,\,{{m}_{s}}=+1/2\]

    Correct Answer: A

    Solution :

                    For \[n=1,\,l=0.\]

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