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A Kinetics Study of Solvent Effect on Thermodynamics Activation Parameter on alkali catalyzed Solvolysis of Methyl Salicylate in water-DMF Media

A kinetic study on Thermodynamic parameter of solvolysis reaction of methyl salicylate in water-DMF solvent system using different concentration of DMF (v/v) was made at four different temperature i.e. 20 C, 25 C, 30 o C, 40 o C. It was observed that with increasing concentration (mole %) of the organic cosolvent in the reaction media, the H* and S* values of the reaction goes on descending while G* value goes on enhancing. Hence, it was inferred that the reaction was entropy control. The evaluated values of Iso-kinetic temperature are come to 202.62, which is less than 300, indicate weak interaction between solvent and solute present in the reaction media.