• Ultrasonic study of molecular interaction in binary liquid mixtures at 30°C

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    • Keywords


      Ultrasonic speed; intermolecular interactions; binary mixtures; theoretical evaluation

    • Abstract


      Densities ρ and ultrasonic speeds u of the binary mixtures of tetrahydrofuran (THF) with 1-butanol and tert-butanol, at 30°C, over the entire composition range were measured. From these data isentropic compressibility, Ks, intermolecular free length Lf, relative association RA, acoustic impedance Z, molar sound speed Rm, deviations in isentropic compressibility ΔKs, and excess volume VE were calculated. The variation of these parameters with composition of the mixture helps us in understanding the nature and extent of interaction between unlike molecules in the mixtures. Further, theoretical values of ultrasonic speed were evaluated using theories and empirical relations. The relative merits of these theories and relations were discussed.

    • Author Affiliations


      A Ali1 AK Nain1

      1. Department of Chemistry, Jamia Millia Islamia, New Delhi - 110 025, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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