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Carroll College

Green chemistry

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Unconventional Reaction Media: A Solvent-Based Discovery Lab For First-Year Undergraduates, Conrad Addison Apr 2011

Unconventional Reaction Media: A Solvent-Based Discovery Lab For First-Year Undergraduates, Conrad Addison

Chemistry and Physics Undergraduate Theses

A general chemistry laboratory that illustrates the effectiveness and benign nature of unconventional reaction media is outlined in a three step procedure: 1) a solventless condensation reaction between two solids, 2) an oxidative coupling reaction in the presence of a liquid carbon dioxide solvent, and 3) the synthesis of an organic-transition metal complex in aqueous solvent. This laboratory exercise is designed illustrate the advantages and utility of alternative solvents through a straightforward procedure with visually qualitative results while further exploring the function of solvents in the synthetic process. The laboratory experiments address waste prevention and the use of innocuous solvents ...