Class Notes Mar 12

Class Notes Mar 12 - 3/12/2010 Announcements: Friday, March...

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3/12/2010 1 Announcements: Friday, March 12, 2010 Homework WebAssign #10- Due Wednesday, March 17 at 8:00 AM Recitation Next Week Week 10 – Coordination Chemistry Lab Next Week Stereoisomers of Coordination Complexes Suggested Textbook Questions Continue Chapter 22 problems and reading. Daylight Saving Time! Set your clocks forward 1 hour on Sunday morning. What is the coordination number and geometry of magnesium tribromocarbonylplumbate(II), Mg[Pb(CO)Br 3 ] 2 ? March 12, 2010 – CT#1 A. 5, trigonal bipyramidal B. 6, octahedral C. 4, square planar E. 3, bent D. 4, tetrahedral Pb 2+ is [Xe]6s 2 4f 14 5d 10 = d 10 Recall that most d 10 metals exhibit tetrahedral geometry! An important complex ion: Heme Fe 2+ + a tetradentate ligand (porphyrin) = heme A similar structure exists in chlorophyll but with a Mg 2+ at the center. .. .. :O=O: Molecular oxygen binds to the iron when blood becomes oxygenated. Carbon monoxide binds to iron in CO poisoning. :O≡C: Isomerism in Coordination Compounds ( Figure 22.8) Constitutional Isomers- different connectivity
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Class Notes Mar 12 - 3/12/2010 Announcements: Friday, March...

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