IUB CHEM-C 118 - 11-10 chapter 22 (21 pages)

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11-10 chapter 22



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11-10 chapter 22

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Pages:
21
School:
Indiana University, Bloomington
Course:
Chem-C 118 - Principles of Chemistry and Biochemistry Ii

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Clicker Question A coordination compound is one that a Is formed between alkali metals or alkaline earths and halogens b Is formed from a transition metal ligands and enough counter ions to produce a neutral compound c Aids in bannce and is found at enhanced levels in elite gymnasts and dancers d Results from a neutralization reaction e Is formed when elements of the third period react with halogens 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 Friday Friday October October 31 31 2014 2014 Read Read Section Section 22 1 22 1 for for Friday Friday Sections Sections 22 2 22 2 22 3 22 3 and and 22 4 22 4 Monday Monday 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 Common Ligands to Know Monodentate ligands H Cl H HH Water Ammonia Chloride ion 2 O O Carbonate ion H2N O O O NH2 O H C O Cyanide ion Carbon monoxide Hydroxide ion C C 2 O Oxalate ion ox N N H2C CH2 Ethylenediamine en Hexadentate ligand Bidentate ligands O C C N Ortho phenanthroline phen O H N O C CH2 4 O O CH2 C O N CH2 CH2 N CH2 C O O C CH2 O O Ethylenediaminetetraacetate ion EDTA Chelating Ligands Chelating ligands grab metal ions They are polydentate ligands donating 2 e pairs EDTA is hexadentate 6 coordinate covalent bonds form 2 N atoms blue spheres 4 O atoms red spheres EDTA encapsulates insoluble metal ions making them soluble M Coordination Number Coordination number number of coordinate covalent bonds between a metal ion and its ligands Coordination Number 2 K AuCl2 Examples 4 K2 NiCl4 Pt NH3 4 One bond6 ligands Co NH3 6 Cl3 Ag NH3 2 2 Fe H2O 6 2 monodentate CN 1 Two



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