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More Nomenclature and Symmetry Learning Objectives: 1, Determine the rules for naming coordination compounds including special orientation of ligands 2. Use the rules to determine structures and formula from names and vice versa. 1. Isomerism in metal complex nomenclature: For the remainder of this assignment you can reference Figure 1 which contains a collection of metal complex structures with their chemical names and chemical compositions. Answer questions a -e. a. Regarding the example structures in Scheme 5, what is different about the arrangement of the B ligands? Scheme 5 Find two structures in Figure 1 with the same difference in structure. How is this difference identified in their names? b. How are the number of ligands indicated in the chemical names? Make a list indicating how the number of ligands from one to six are indicated. There are times where the exact same number of ligands (2 or 3) are named two different ways. What are the two prefixes and why might this be done? e. What dose fac- and mer indicate about the orientation of the ligands? d. If the ligands in a complex are arranged in a cis, trans, fac, or mer arrangement is there a change in the name of those ligands? Yes No e. Ligands commonly bridge between or connect two metal atoms. Is the presence of a bridging ligand indicated in the name of the complex? How? Comprehension Check: For the following chemical names, draw the chemical structure and the chemical formula. If the ICS portion is charged then show the charge but do not include the counter ions

Answer 1