The Glyoxal Clock Reaction

Julie B. Ealy , Alexandra Rodriguez Negron , Jessica Stephens , and Rebecca Stauffer
Department of Chemistry, Pennsylvania State University, Lehigh Valley Campus, Fogelsville, PA 18051
Stanley D. Furrow
Department of Chemistry, Pennsylvania State University, Reading, PA 19610
J. Chem. Educ., 2007, 84 (12), p 1965
DOI: 10.1021/ed084p1965
Publication Date (Web): December 1, 2007

Abstract

Research on the glyoxal clock reaction has led to adaptation of the clock reaction to a general chemistry experiment. This particular reaction is just one of many that used formaldehyde in the past. The kinetics of the glyoxal clock makes the reaction suitable as a general chemistry lab using a Calculator Based Laboratory (CBL) or a LabPro. The apparent order of the reacting species has been determined: first order in glyoxal and zero order in bisulfite.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Analytical Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Aldehydes / Ketones
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History

  • Received: August 03, 2009

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