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Paper Details

Viscometric Intermolecular Interaction studies in binary liquid mixture of carbon tetrachloride with benzene and its substituted products.

K. Yadav, Anita Kumari* and Santosh Kumar

Journal Title:Journal of Chemical, Biological and physical sciences
Abstract


Viscosities (? ) of binary liquid mixtures of carbon tetrachloride with benzene and its substituted products viz. toluene, m?xylene, ethyl benzene and chlorobenzene have been measured at two different temperatures 293.15 k and 303.15k. Excess volume of mixing (VE) and deviation of viscosities ( ?? ) of mixtures from ideal mole fraction law and parameter (d) as a measure of strength of intermolecular interaction between components of binary mixtures have been calculated from data of viscosities. Excess volumes have been found to be negative and positive in sign for binary mixtures of carbon tetrachloride with toluene and chlorobenzene and carbon tetrachloride with benzene, ethyl benzene and m?xylene respectively at entire mole fraction range and at both temperatures i.e. 293.15 k and 303.15 k. On the other hand, ?? were found to be negative for binary mixtures of carbon tetrachloride with toluene, m?xylene and chlorobenzene, except the binary mixture of carbon tetrachloride with benzene at entire mole fraction range and temperature metntioned. Positive value of excess volumes for three mixtures (carbon tetrachloride with benzene, m?xylene and ethyl benzene) show weak intermolecular interactions between components. However, the negative value of ?? for binary mixtures of carbon tetrachloride with toluene, m?xylene and chlorobenzene show weak interaction between components. The different average value of parameter d (dav) for different binary systems show different extent of molecular interactions present there in. The experimental values of VE have been analyzed in the light of Flory`s theory.

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