Kinetics of aquation of chloropentamminecobalt(III) perchlorate in ethylene glycol-water media |
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| Authors: | Abdullah S Babaqi Mohamed T Mohamed Salah S Massoud Mohamed F Amira |
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| Institution: | (1) Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt;(2) Chemistry Department, Faculty of Science, Sana'a University, Sana'a, Yemen A. R. |
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| Abstract: | Summary The aquation of chloropentamminecobalt(III) ion has been studied in ethylene glycol-water mixtures up to 80% by weight at five temperatures from 35 to 55°C. Specific solvent effects on the reaction rate and mechanism have been investigated and discussed. The validity of our previously proposed equations, correlating the specific reaction rate with the dielectric constant of the medium has been examined. The thermodynamic parameters of activation have been calculated and presented as evidence for the solvation effects and in support of the proposed reaction mechanism. |
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