Solvent Effect on Solvolysis Rate in Alkaline Hydrolysis of Ethyl Acetate in water-methanol and water-ethanol mixed solvent system
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 9
Abstract
The kinetic of alkaline hydrolysis of Ethyl Acetate was investigated at different percentage of Aquaous-organic Solvent mixture with Methanol (30 to70% v/v) and Ethanol (30 to 70% v/v) over the temperature range of 20o C to 40 o C. The Specific Rate constant was found to be decrease in both the solvent with increasing proportion of solvent (MEOH and ETOH) at all the temperature range. The Iso-composition Activation energy (EC) were also evaluated which increase with solvent composition in (water-media) and decrease with solvent composition in (water-ET-OH system). The number of water molecule associated with the activated complex are found to be decrease (1.59 to 1.42) in in water-MEOH system and increase (1.061 to 1.34) in water-MEOH media. The Thermodynam Activation Parameter such as Enthalpy of Activation (H*), Entropy of Activation (S*) and Gibb's free energy of Activation (G*) were calculated.
Authors and Affiliations
A. K. Singh
Keywords
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