407 - 4/7/2008 Announcements: Monday, April 7, 2008...

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4/7/2008 1 Announcements: Monday, April 7, 2008 Homework WebAssign #12- Due Thursday, April 10 at 8:00 AM Recitation Print Week 12- Crystal Field Theory Lab Lab 8 (week 2)- Separation of Metal Ions Complete your prelab (p. 77) before recitation. Suggested Textbook Questions Finish reading Chapter 22.3, and working problems (see syllabus). Begin reading Chapter 16. Weak-field ligands D D E →  absorbed Strong-field ligands D D E →  absorbed Recall that the crystal field splitting ( D ) changes with the ligand. Spectrochemical Series When D changes, the color of the compound changes! Which of the following could NOT be a reason for why some coordination compounds are colorless? April 7, 2008 - CT#1 A. D is too big. B. D is too small. C. The metal is d 0 . D. The metal is d 10 . E. All of these are valid reasons. No electrons in d orbital to excite. D energy absorbed IR, not visible. D energy absorbed UV, not visible.
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407 - 4/7/2008 Announcements: Monday, April 7, 2008...

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