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Entertaining chemistry - Two colorful reactions

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John F. Elsworth

Chemistry Department, University of Cape Town, Rondebosch 7700, South Africa

Jeannine Eddleton

Department of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0212

J. Chem. Educ., 2000, 77 (4), p 484

DOI: 10.1021/ed077p484

Publication Date (Web): April 1, 2000

Abstract

Solutions of acid and iodine, with and without starch, are mixed with alkaline solutions containing thiosulfate and appropriate salts to produce desirable color effects.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Demonstrations

Keywords (Feature):

Tested Demonstrations

Keywords (Subject):

Acids / Bases

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Two "Gas-in-a-Bag" Reactions To Show the Predictive Power of the Relative Acid–Base Strength Chart
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Journal of Chemical Education2006 83 (8), 1167
- Two "Gas-in-a-Bag" Reactions To Show the Predictive Power of the Relative Acid–Base Strength Chart
  Brett Criswell , Holly M. Bevsek , Carole Bennett
  Journal of Chemical Education2006 83 (8), 1167
  High-school chemistry curricula have often been maligned for being too long on theoryand too short on applied chemistry. Certainly, very little consideration is given in most curricula to the rich arena of descriptive chemistry, particularly helping ...
  Abstract | Hi-Res PDF | PDF w/ Links
Chemical demonstrations with consumer chemicals: The black and white reaction
Stephen W. Wright , Wyatt D. Cotton
Journal of Chemical Education2002 79 (1), 44
- Chemical demonstrations with consumer chemicals: The black and white reaction
  Stephen W. Wright , Wyatt D. Cotton
  Journal of Chemical Education2002 79 (1), 44
  A color-change reaction is described in which two colorless solutions are combined to afford a black mixture. Two more colorless solutions are combined to afford a white mixture. The black and white mixtures are then combined to afford a clear, colorless ...
  Abstract | Hi-Res PDF | PDF w/ Links