Lec-37-Chap17-2-bare

Lec-37-Chap17-2-bare - Lec-37-Chap17-2-bare 12/5/2011...

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Lec-37-Chap17-2-bare 12/5/2011 Transition Metal Chemistry. Complexes. Nomenclature. Geometry 1 Lec-37: Chemistry of Transition Elements and Coordination Compounds Chapter 17 1 p.1046a 2
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Lec-37-Chap17-2-bare 12/5/2011 Transition Metal Chemistry. Complexes. Nomenclature. Geometry 2 Coordinative covalent bond: formed by the donation of an electron-pair from an atom to an empty orbital on another atom. Transition Metals and Coordination Compounds [Ar] d 10 {4 s 0 4 p 0 } Transition Metals and Coordination Compounds For example in aqueous solution Ni 2+ is coordinated by water molecules in an octahedral configuration: Complex Ion [Ni(H 2 O) 6 ] 2+ hexaaquanickel(II) The molecules or ions coordinated to the central atom are called ligands 4
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Lec-37-Chap17-2-bare 12/5/2011 Transition Metal Chemistry. Complexes. Nomenclature. Geometry 3 Transition Metals and Coordination Compounds Compounds that contain metal ions surrounded by ligands are called coordination compounds . Coordination compounds are combined with opposite charged ions (counterions) to form neutral compounds.         4 2 4 2 K Ni Ni C Cl solid state l in solution   Other examples:         22 2 2 3 6 2 2 6 Ni H O Cl Pt NH C Ni l cispla HO tin 5 Naming of Complex Ions and Coordination Compounds The nomenclature indicates the name and oxidation state of the transition metal ion, and the name and number of ligands in the complex.
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Lec-37-Chap17-2-bare - Lec-37-Chap17-2-bare 12/5/2011...

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