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13.3: Concept Review Questions Chapter 8

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    Concept Review Questions

    Section 1

    1. Explain the difference between a microstate and a state.

    2. Explain what is meant by a term? Why do we need terms to explain electronic spectra?

    3. What is meant by “Russell-Saunders coupling”?

    3. What is the definition of the total angular momentum quantum number L?

    4. What is the definition of the quantum number Ml?

    5. What is the definition of the quantum number ml?

    6. What is definition of the total spin quantum number S?

    7. What is the definition of the quantum number Ms?

    8. What is the definition of the quantum number ms?

    9. How many microstates are associated with a term defined by a quantum number L and S respectively?

    10. Which formula can be used to calculate the number of microstates with a specific d electron configuration?

    11. What is meant by the spin-orbit coupling?

    12. Why is the spin-orbit coupling usually neglected for electronic spectra?

    13. What is the dependency between the quantum number L and the energy of a term?

    14. What is the dependency between the quantum number S and the energy of a term?

    15. What is meant by a “free ion term”?

    Section 2

    1. How do D, P, and S terms split in an octahedral and tetrahedral ligand field, respectively?

    2. What is a correlation diagram?

    3. What is meant by t2g2, t2geg, and eg2 terms in octahedral complexes? Explain their relationship to molecular orbitals.

    4. What is the major difference between a Tanabe-Sugano diagram and a correlation diagram?

    5. Why do terms with the same symmetry never cross in Tanabe-Sugano diagrams?

    6. When are lines in Tanabe diagrams straight and when are they bent?

    7. What is a metal-to-ligand charge transfer (MLCT) transition?

    8. What is a ligand-to-metal charge (LMCT) transfer transition?

    9. Under which conditions does a MLCT transition occur in the visible range? Name one example of a complex that does MLCT.

    10. Under which conditions does a LMCT transiton occur in the visible range? Name one example of a complex that does LMCT?


    Dr. Kai Landskron (Lehigh University). If you like this textbook, please consider to make a donation to support the author's research at Lehigh University: Click Here to Donate.


    13.3: Concept Review Questions Chapter 8 is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.