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

  • question_answer
    For which of the following sets of four quantum numbers, an electron will have the highest energy [CBSE PMT 1994]

    A)                 \[n\]-3          \[l\]-2             \[m\]-1            \[s\]- +1/2

    B)                 \[n\]-4          \[l\]-2             \[m\]-1            \[s\]- +1/2

    C)                 \[n\]-4          \[l\]-1             \[m\]- 0            \[s\]- -1/2

    D)                 \[n\]-5          \[l\]-0             \[m\]-0            \[s\]- -1/2

    Correct Answer: B

    Solution :

                    4d-orbital have highest energy in given data.


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