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Article

The Trans Effect: A Guided-Inquiry Experiment for Upper-Division Inorganic Chemistry

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Janet L. Shaw , Christopher R. Dockery , Scott E. Lewis , Lindsay Harris and Richard Bettis

Department of Chemistry and Biochemistry, Kennesaw State University, Kennesaw, GA 30144

J. Chem. Educ., 2009, 86 (12), p 1416

DOI: 10.1021/ed086p1416

Publication Date (Web): December 1, 2009

Abstract

This article describes a guided-inquiry laboratory for upper-division inorganic chemistry. The experiment is designed to teach students about the trans effect through synthesis of the cis and trans geometric isomers of diamminedichloroplatinum(II). Students discover which factors lead to trans-substitution versus cis-substitution in square-planar transition-metal complexes. Student pairs are assigned a synthetic protocol, and product geometry is determined experimentally using a colorimetric thiourea test. Focus questions guide students to generate a trans-directing ligand series and to construct the trans effect concept. This experiment gives students technical experience in microscale inorganic synthesis and stereochemical analysis while teaching them about coordination chemistry and the importance of metals in medicine.

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Received: August 03, 2009

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Article

The Trans Effect: A Guided-Inquiry Experiment for Upper-Division Inorganic Chemistry

Abstract

Tools

SciFinder Links

History

Recommend & Share

Related Content

Synthesis and Characterization of Transition-Metal Complexes Containing 1,1’-Bis(diphenylphosphino)ferrocene

Synthesis of Superoxide Dismutase (SOD) Enzyme Mimetics. A Bioinorganic Laboratory Experiment

Surveying Students' Attitudes and Perceptions toward Guided-Inquiry and Open-Inquiry Laboratories

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