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Title: Ultrasonic studies on molecular interaction of certain carbonyl compounds in n-hexane and chloroform solutions
Authors: Kannappan, V
Raja, S Xavier Jesu
Santhi, R Jaya
Keywords: Ultrasonic velocity;Viscosity;Acoustics;Adiabatic compressibility;Relaxation time;Absorption coefficient;Molecular interactions;Carbonyl group
Issue Date: Sep-2003
Publisher: NISCAIR-CSIR, India
Abstract: The ultrasonic velocities (U), densities (p), and viscosities (η) are measured inn-hexane and chloroform solutions of acetophenone, ethyl methyl ketone and benzaldehyde at 298 K, in the concentration range 0.05-1  M. The variation in ultrasonic velocity values indicate solute-solvent interactions in both the media and stronger interactions are observed in chloroform solutions. Acoustical parameters such as adiabatic compressibility (β), linear free length (Lf), relaxation time (τ), absorption coefficient (α/f2), molecular interaction parameter (χ), and solvation number (Sn) values are also calculated. These values indicate that, the carbonyl compounds are strongly attracted by chloroform molecules probably through inter molecular hydrogen bond.
Page(s): 690-695
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.41(09) [September 2003]

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