Densities were determined for the binary and ternary mixture of the alcohols and triethylamine in CCl4 and cyclo-C6H12 at 298 K. From the experimental results, the excess molar volume (VM(E)) were calculated. VM(E) are positive for binary mixtures of the alcohols in both, CCl4 and cyclo-C6H12. But for ternary mixture (in CCl4), the excess molar volumes are negative in the low concentration range of the alcohols. The difference has been explained in terms of interstitial accomodation of the solvent and possible H-bond interaction of the type OH...Cl between the components of the system. Besides, positive excess molar volumes are higher for 2-haloethanols than those for ethanol. These high values have been attributed to the substitution of hydrogen atom by halogen atoms.
SHAHIDA SHAMIM ,MANSOOR AHMAD ,
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