Abstract

Abstract The ultrasonic velocity in binary mixtures of MIBK with eight aliphatic alcohols viz. 1-propanol, 1-butanol, 1-pentanol, 1-hexanol, 1-heptanol, 1-octanol and 1-decanol is measured at frequency 2MHz and temperature 303.16 K for entire range of concentration using an ultrasonic interferometer. The measured data are used to compute isentropic compressibility, molar compressibility, inter molecular free length, available volume and acoustic impedance. The excess properties are also evaluated. The trends of variation of these parameters indicate that the nature of interaction is dependent upon chain-length of alcohols. The findings are compared with the results obtained from dielectric studies undertaken earlier.

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