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Dr. Lara Baxley
Chem 201B
Chapter 24 Notes
page 1
Chapter 24 Notes: Transition Metals and Coordination Compounds (not section 2) I. Coordination Compounds A) Coordination Compounds [Co(NH3)6]Cl3 in solution B) Types of Ligands Dr. Lara Baxley
Chem 201B
Chapter 24 Notes
page 2
C) Coordination Numbers 1. What is the coordination number of the metal ion in each of the following complex ions? a. Zn(OH)42− b. Ni(en)32+ D) Geometries E) Charge on Complex Ion 2. a. What is the charge on a complex of one Co3+, five NH3, 1 Cl−? b. Write the formula for the bromide salt of the previous complex ion II. Structure and Isomerism Dr. Lara Baxley
Chem 201B
Chapter 24 Notes
page 3
1) Structural Isomers: a) Coordination isomers (or coordination sphere isomers): b) Linkage isomers: 2) Stereoisomers: a) Geometric isomers (or diastereomers):
i) cis‐trans isomers Dr. Lara Baxley
Chem 201B
ii) fac‐mer isomers Chapter 24 Notes
page 4
b) Optical isomers (enantiomers): Does cis‐[Co(en)2Cl2]+ have optical isomers? Does trans‐[Co(en)2Cl2]+ have optical isomers? IV. Applications of Coordination Compounds A) Chelating Agents B) Chemical Analysis C) Coloring Agents D) Biomolecules E) Drugs and Therapeutic Agents
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