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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > April  >
In the Classroom
Overhead Projector Demonstrations
A New Twist on the Iodine Clock Reaction: Determining the Order of a Reaction
Xavier Creary and Karen M. Morris
Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, IN 46556
Cover
April 1999
Vol. 76 No. 4
p. 530
Abstract
The Landolt iodine clock reaction is a reliable and well-used chemistry demonstration owing to a variety of features: ease of solution preparation, striking color change indicating reaction completion, convenience in changing reaction "clock time", and effective dramatic presentation. The iodine clock reaction can also be used to illustrate the kinetic order of a reaction, and an overhead projector demonstration was developed three years ago for general chemistry classes at the University of Notre Dame showing this concept. This demonstration has been used successfully with consistent results since that time.
More Information
*  Citation
 Creary, Xavier; Morris, Karen M. J. Chem. Educ. 1999 76 530.
*  Keywords
 Demonstrations; Introductory / High School Chemistry; Aqueous Solution Chemistry; Kinetics
*  History
 Created:
Last Updated:		 June 14, 1999
June 23, 2005
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