Synthesis and Base Hydrolysis of a Cobalt(III) Complex Coordinated by a Thioether Ligand

Lee Roecker
Department of Chemistry, Gettysburg College, Gettysburg, PA 17325 and Department of Chemistry, Berea College, Berea, KY 40404
J. Chem. Educ., 2008, 85 (11), p 1562
DOI: 10.1021/ed085p1562
Publication Date (Web): November 1, 2008
History, Education, and Documentation

Abstract

A two-week laboratory experiment for students in advanced inorganic chemistry is described. Students prepare and characterize a cobalt(III) complex coordinated by a thioether ligand during the first week of the experiment and then study the kinetics of Co–S bond cleavage in basic solution during the second week. The synthetic portion of the laboratory is a good introduction to the preparation of inert transition-metal complexes and the modification of coordinated ligands. The kinetic portion of the laboratory introduces students to the SN1CB base hydrolysis mechanism and to the analysis of kinetic data.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Inorganic Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Cobalt
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History

  • Received: August 03, 2009

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