Chemistry: Transition metals and the crystal field model. Strong-field case and weak-field case; low-spin case and high-spin case; paramagnetism and diamagnetism; spectrochemical series; colors of complex ions. The localized electron model of bonding in complex ions, also known as the valence bond model This is a recording of a tutoring session, posted with the students' permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: http://www.freelance-teacher.com/videos.htm For a printable document containing the figures discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: http://www.youtube.com/watch?v=OXgkaVeb8fo&feature=PlayList&p=8C0114CAE5BCA8FC&playnext_from=PL&index=0&playnext=1 (1) Introduction. Hund's rule (2) Application of crystal field theory to octahedral complexes (3) Continued; strong-field case and weak-field case (4) An example (5) Continued; low-spin case and high-spin case (6) Another example; paramagnetic vs. diamagnetic; spectrochemical series (7) Effect of metal ion charge on Δ. Another example (8) How crystal field theory accounts for the colors of complex ions; the color wheel (9) Continued; complementary colors; an example (10) Crystal field model for tetrahedral geometry (11) Continued; an example. Crystal field diagrams for square planar and linear complexes (12) The localized electron model of bonding in complex ions, also known as the valence bond model (13) Continued
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