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Solvent effect on the kinetics and mechanism of the thermal decomposition oftris-oxalactocobaltate(III) complex

✍ Scribed by Hamed M. Abu El-Nader

Publisher
Springer
Year
1995
Tongue
English
Weight
293 KB
Volume
20
Category
Article
ISSN
0340-4285

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✦ Synopsis

The kinetics of the thermal decomposition of the trisoxalactocobaltate(III) complex has been investigated in the presence of EtOH and (CH2OH)2 spectrophotometrically in the 50 70 _+ 0.1 ~ C range. The rate of the reaction decreases upon the addition of either of the alcohols to the reaction medium, whereas the activation energy increases. The thermodynamic parameters were calculated and are discussed in terms of the solvation effects. The influence of the dielectric constants of the solvent mixtures on the rate has been studied. A free radical mechanism is proposed and discussed.

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