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Activation Parameter and Solvent effect on solvolysis of Ethyl benzoate in Aquo-organic Solvent System Singh A.K.* Department of Chemistry, (CCSIT), Teerthanker Mahaveer University, Moradabad, India *Corresponding Author E-mail:
Online published on 15 May, 2019. Abstract The rate of solvolysis of ethyl benzoate was estimated volumetrically over the temperature range of 20°c to 40°c.in water-methanol mixture at different composition. The depletion and enhancement in value of isocomposition activation energy and iso-dielectric activation shows solvation in transition state and de-solvation in initial state respectively. The effect of solvent on reaction rate was tested in term of activation parameter. Simultaneous decrease in values of δH* and δS* with increase in value of δG* with solvent composition show that the reaction is Enthalpy domination and Entropy controlled. There is weak interaction between solvent and solute because the values of iso-kinetic temperature is less than 300 K/Mole2 Top Keywords Ethyl benzoate, water-methanol Activation parameter, Solvent effect, solvent-solute interaction, Iso-kinetic temperature, specific and non specific salvation. Solvation in initial and transition state. Barclay-Butler rule. Top | |
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