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

  • question_answer Which set of quantum numbers for an electron of an atom is not possible            [RPMT; DCE 1999]

    A)                 \[n=1,\,l=0,\,m=0,\,s=+1/2\]

    B)                 \[n=1,\,l=1,\,m=1,\,s=+1/2\]

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

    D)                 \[n=2,\,l=1,\,m=-1,\,s=+1/2\]

    Correct Answer: B

    Solution :

                    \[n=1\] and \[m=1\]not possible for s-orbitals.


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