The Blue Bottle Reaction as a General Chemistry Experiment on Reaction Mechanisms

Steven C. Engerer and A. Gilbert Cook
Valparaiso University, Department of Chemistry, Valparaiso, IN 46383
J. Chem. Educ., 1999, 76 (11), p 1519
DOI: 10.1021/ed076p1519
Publication Date (Web): November 1, 1999

Abstract

A kinetics/reaction mechanism experiment using the classic blue bottle reaction is described. Using the scientific method (observe, question, hypothesize, experiment, repeat) students propose and test possible reaction mechanisms for the methylene blue-catalyzed oxidation of dextrose with its dramatic color change. Students are led to discover the three-step mechanism through a series of questions. An advanced version for honors lab courses is also suggested.

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  • Received: August 03, 2009

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