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E-Journal of Chemistry
Volume 7, Issue 4, Pages 1170-1173
http://dx.doi.org/10.1155/2010/451523

Application of Singh-Jha Equation in the Evaluation of b* Parameter of Laidler-Landskroener Equation in the Hydrolysis of Vinyl Acetate

Sangita Sharma, Bijal Vyas, Falguni Thakkar, Ketan Patel, and J. J. Vora

Department of Chemistry, Hemchandracharya North Gujarat University, Patan-384265, Gujarat, India

Received 18 December 2009; Accepted 10 February 2010

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Singh-Jha method is applied to calculate b* of Laidler-Landskroener equation, the distance of closed approach of solvent molecules to the activated complexes in alkaline hydrolysis of vinyl acetate. This method is applied to alkaline hydrolysis of vinyl acetate in water enriched ethanol between 30 °C and 35 °C. The rate of hydrolysis decreases with the increase of content of organic solvent at both temperatures. The size of transition state was found to be large as compared to the initial state. The b* was found to be 3.7693Å which is in agreement with the values obtained earlier.