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Effect of Chain Length of Alcohol on Thermodynamic and Transport Properties of Their Binary Mixtures with N-Ethylaniline at Different Temperatures

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Abstract

Density (ρ), speed of sound (u) and viscosity (η) have been measured for the binary mixtures of N-ethylaniline with 1-hexanol, 1-heptanol, 1-octanol, and 1-decanol over the entire composition range at 303.15, 308.15, and 313.15 K. By using this data, the excess volume (V E), excess isentropic compressibility \( \left( {\kappa_{S}^{\text{E}} } \right) \), excess viscosity (η E) and excess Gibbs energy of activation of viscous flow (G *E) have been calculated and fitted to the Redlich–Kister polynomial equation. The excess molar volumes, excess isentropic compressibility, excess viscosity and excess Gibbs energy of activation of viscous flow have been analyzed in terms of declustering and breaking of hydrogen bonds in alkanols in the presence of the solute, repulsive forces due to the electric charge of components, size and shape of both component molecules, along with effect of the alkyl chain of the 1-alkanols. The experimental viscosity data of all the binary mixtures were used to test the semi-empirical relations of Grunberg-Nissan, Katti-Chaudhri, and Hind.

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Authors and Affiliations

  1. Department of Chemistry, Acharya Nagarjuna University, Guntur, 522510, AP, India

    Jareena Shaik, D. Ramachandran & C. Rambabu

  2. Department of Chemistry, J.K.C. College, Acharya Nagarjuna University, Guntur, 522006, AP, India

    M. Gowri Sankar

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  1. Jareena Shaik
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  2. M. Gowri Sankar
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  4. C. Rambabu
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Correspondence to C. Rambabu.

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Shaik, J., Gowri Sankar, M., Ramachandran, D. et al. Effect of Chain Length of Alcohol on Thermodynamic and Transport Properties of Their Binary Mixtures with N-Ethylaniline at Different Temperatures. J Solution Chem 43, 2067–2100 (2014). https://doi.org/10.1007/s10953-014-0259-z

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