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Thermophysical and conductometric study of lithium perchlorate in binary aqueous mixture of polyethylene glycol (PEG-400)

In the present study apparent molar volume, partial molar volume, viscosity and conductance parameters of lithium perchlorate (LiClO4) in 0.01m, 0.03m and 0.05m aqueous polyethylene glycol (PEG-400) have been determined by using density, viscosity and conductance data at five equidistant temperatures 298.15K, 303.15K, 308.15K, 313.15K and 318.15K. Data is analysed in terms of various molecular interactions by using Masson’s and Jones-Dole equations. The structure making/breaking behaviour of LiClO4 is interpreted from 2 the sign of [∂2 ϕv°/∂T2], dB/dT and temperature coefficient of Walden product i.e., d(Λm°η°)/dT values. In the present study LiClO4 has been found as structure-maker in 0.01 m, 0.03m and 0.05m aqueous polyethylene glycol (PEG-400).