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E-Journal of Chemistry
Volume 6, Issue 4, Pages 1121-1124

Potentiometric Studies on Transition Metal Complexes of Substituted Derivative of Coumarin-Part 1

K. B. Vyas,1 G. R. Jani,2 and M. V. Hathi1

1Department of Chemistry, Government Science College, Gandhinagar, Gujarat, India
2Department of Chemistry, M. N. College, Visanagar, Gujarat, India

Received 22 February 2009; Accepted 4 April 2009

Copyright © 2009 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.


The formation constants of binary complexes of d10 metal ions Cu(II), Ni(II), Co(II) and Mn(II) with 3-[{3-(3’-chloro phenyl}-prop-2-enoyl]-4-hydroxy-6-methyl-2H-chromen-2-one have been studied by using Irving-Rossoti method at constant temperature 30±1 °C and ionic strength μ=0.1 M dM-3 was held constant using sodium nitrate as an electrolyte. The factors influencing formation and stabilities of binary complexes have been discussed.