IUB CHEM-C 118 - 11-12 chappter 22 (20 pages)

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11-12 chappter 22



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11-12 chappter 22

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Pages:
20
School:
Indiana University, Bloomington
Course:
Chem-C 118 - Principles of Chemistry and Biochemistry Ii

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Clicker Question Which is not possible 1 Linkage isomerism in tetrahedral coordination compounds 2 Linkage isomerism in octahedral coordination compounds 3 Geometrical isomerism in octahedral coordination compounds 4 Optical isomerism in square planar coordination compounds 5 Optical isomerism in octahedral coordination compounds 22 Coordination Chemistry 22 1 Properties of the Transition Elements 22 2 Iron and Steel The Use of Pyrometallurgy 22 3 Copper A Coinage Metal 22 4 Silver and Gold The Other Coinage Metals 22 5 Chromium 22 6 Coordinate Covalent Bonds 22 7 Crystal Field Theory Wednesday Wednesday November November 12 12 2014 2014 Read Read Section Section 22 7 22 7 for for Wednesday Wednesday Sections Sections 22 7 22 7 for for Friday Friday End End of of Chapter Chapter 22 22 Problems Problems 8 8 14 14 16 16 18 18 20 20 21 21 22 22 26 26 28 28 30 30 32 32 34 34 36 36 38 38 40 40 42 42 44 44 46 46 48 48 50 50 52 52 54 54 56 56 58 58 60 60 62 62 63 63 65 65 67 67 73 73 75 75 77 77 78 78 79 79 83 83 85 85 91 91 Coordination Compounds Life 2 Heme carries Fe2 in myoglobin and hemoglobin 1 heme myoglobin and 4 hemes hemoglobin Coordination Compounds Life Vitamin B12 6 coord Co ion bound to a heme ligand Only known dietary use of cobalt but it is absolutely essential Finding the Metal d electron count Take into account the charges of any counter ions Determine which ligands are neutral and which are charged anionic to determine ox state d count valance electrons oxidation state NOT dependent on isomers Crystal Field Theory Orbital view pay attention to axis labels Crystal Field Theory e pairs on the ligands create an electrostatic field Crystal Field Theory This field interacts with the metal ion d orbitals In an octahedral complex CNCN Fe 2 3dz 2 CNCN CNCN 3dyz 3dxy 3dxz 3dx2 y 2 Along the x y z axes Between axes Ligands lie along the x y and z axes The two types of d orbitals have different E in this field Octahedral Crystal Field The metal d orbitals split



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