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  Home > JCE Print > Journal of Chemical Education > Issues > 2002  > August  >
In the Laboratory
The Microscale Laboratory
Microscale Chemistry in a Plastic Petri Dish: Preparation and Chemical Properties of Chlorine Gas
Martin M. F. Choi
Department of Chemistry, Hong Kong Baptist University, Hong Kong, SAR, PRC
Cover
August 2002
Vol. 79 No. 8
p. 992
Abstract
This experiment demonstrates some of the chemistry of chlorine on a microscale, about the size of a water droplet. Chlorine gas was prepared from an acidified bleach solution in a plastic petri dish. The chlorine gas generated in situ reacted with other chemical reagents in the dish by diffusion. Some of the oxidizing properties and bleaching power of chlorine gas were shown visually and could be observed within 10 minutes. These experiments provide suitable hands-on experience for students at secondary-school level.
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*  Citation
 Choi, Martin M. F. J. Chem. Educ. 2002 79 992.
*  Keywords
 chlorine gas*; General Chemistry; Inorganic Synthesis; Introductory / High School Chemistry; Microscale; petri dish*
*  History
 Created:
Last Updated:		 July 23, 2002
March 16, 2005
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