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IJPAP Vol.47(04) [April 2009] >


Title: Ultrasonic study of n-alkanols in toluene with nitrobenzene
Authors: Thirumaran, S
Jayakumar, J Earnest
Keywords: Adiabatic compressibility
Free length
Free volume
Internal pressure
Hydrogen-bonding
Dipole-dipole interactions
Issue Date: Apr-2009
Publisher: CSIR
Abstract: The ultrasonic velocity, density and viscosity of the mixtures of the n–alkanols, namely, 1–propanol, 1–butanol, and 1–pentanol in toluene with nitrobenzene at 303 K have been measured. From the measured data of ultrasonic velocity, density and viscosity, some of the acoustical parameters such as adiabatic compressibility ( β), free length (Lf), free volume (Vf) and internal pressure ( πi) have been measured. The excess values of the above parameters are also evaluated. The results have been analysed and interpreted in terms of molecular interactions such as dipole-dipole interaction through hydrogen bonding between nitrobenzene and 1-alkanols, and donor-acceptor complexity observed between toluene and nitro-benzene molecules.
Page(s): 265-272
ISSN: 0019-5596
Source:IJPAP Vol.47(04) [April 2009]

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