Volumetric, Viscometric and Excess Properties of Binary Mixtures of 1-Iodobutane with Benzene, Toluene, o-Xylene, m-Xylene, p-Xylene, and Mesitylene at Temperatures from 303.15 to 313.15 K

Abstract

Densities and viscosities have been determined for binary mixtures of 1-iodobutane with benzene, toluene, o-xylene, m-xylene, p-xylene, and mesitylene at 303.15, 308.15, and 313.15 K for the entire composition range at atmospheric pressure. The excess molar volumes, , deviations in viscosity, Δ , and excess Gibbs' free energy of activation flow, Δ * have been calculated from the experimental values. The experimental data were fitted to Redlich-Kister polynomial equation. The variations of these parameters with composition of the mixtures and temperature have been discussed in terms of molecular interactions occurring in these mixtures. Further, the viscosities of these binary mixtures were calculated theoretically from their corresponding pure component data by using empirical relations like

Thermodynamic Study on Density and Viscosity of Binary Mixtures of Ethyl acetoacetate with (C4-C9) Aliphatic Ketones at (303.15 and 308.15) K

“…The positive V E values are suggestive of dispersion type of forces which is as a result of weak interactions between unlike molecules. Similar trend of V E values was observed by Zahid et al [22] on their study of 1-propanol, 2-methyl-2-propanol and 1-hexanol with hexane at different temperatures, Mahajan and Mirgane [23] on binary mixtures of n-octane, n-decane, n-dodecane and ntetradecane with octan-2-ol and Sharma et al [24] on 1iodobutane with benzene, toluene, o-xylene, m-xylene, pxylene and mesitylene binary mixture. The excess negative VE values also suggest that dipoledipole interactions and other specific interactions between unlike molecules are operative in the solvent systems, [Reddy et al [25], Shelar et al [4].…”

"Excess and deviations properties for the binary solvent mixtures of tetrahydrofurfuryl alcohol with some aromatic hydrocarbons at 298.15K "

“…A formation of a weak dipoleinduced dipole interaction between the component molecules is also expected. In addition, donor acceptor interaction between -electrons of benzene ring and oxygen of O-H group of THFA results in negative values of Ƞ E [11].…”

“…[9,10]. The excess properties for these organic solvents are useful in investigating the molecular motion and packing, and interaction in their mixtures [11].…”

Viscometric Studies of Binary Mixtures of Ethyl Acetoacetate with (C4-C9) Aliphatic Ketones at 298.15 K

“…Excess viscosities (η E ) values are negative over the entire solvents composition range for the systems EAA + butan-2-one, EAA + hexan-2-one, EAA + heptan-2-one, EAA + octan-2-one and EAA + nonan-2-one. The negative excess viscosities (η E ) values are generally observed for the systems where dispersion of weak dipole-dipole forces of interaction between the component molecules are primarily responsible [14,15].…”