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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > March  >
Information • Textbooks • Media • Resources
On the "Abnormal" Decomposition Potentials of Aqueous Solutions of Halogen Acids
Yi Liang and Jie Chen
Department of Fine Chemical Engineering, Wuhan Institute of Chemical Technology, Wuhan, Hubei 430074, PEOPLE'S REPUBLIC OF CHINA

Songsheng Qu
Department of Chemistry, Wuhan University, Wuhan, Hubei 430072, PEOPLE'S REPUBLIC OF CHINA

Cover
March 1999
Vol. 76 No. 3
p. 444
Abstract
A new explanation of the "abnormal" decomposition potentials (ed) of aqueous solutions of halogen acids (hydrochloric, hydrobromic, and hydriodic acids) is proposed in this paper. It is suggested that the disproportionation reactions of these halogen acids in aqueous solutions are responsible for their abnormal decomposition potentials and that textbooks should use sulfuric acid as an example to explain the concept of ed.

A paper by C. G. Zoski and A. J. Bard in our April 2000 issue addresses the above.

More Information
*  Citation
 Liang, Yi; Chen, Jie; Qu, Songsheng. J. Chem. Educ. 1999 76 444.
*  Keywords
 Physical Chemistry; Electrochemistry; Textbooks; Teaching/Learning Theory/Practice
*  History
 Created:
Last Updated:		 June 15, 1999
June 22, 2005
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