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Title: Intermolecular interactions in sulfuric acid-water system
Authors: Loshali, Renu
Kandpal, Narain D
Keywords: Intermolecular interactions;Viscosity;Jones-Dole equation;Parabisulfate anion
Issue Date: Sep-2016
Publisher: NISCAIR-CSIR, India
Abstract: Viscosity (ƞ) and density (ρ) of aqueous concentrated sulfuric acid (1.0–9.0) mol dm−3 have been measured at 297.65 K and the values of A and B- coefficients of Jones-Dole equation have been calculated from the viscosity data. The value of B-coefficient is positive which suggests a strong ion-solvent interaction in aqueous sulfuric acid. It is assumed that in concentrated aqueous sulfuric acid, HSO53- acts as structure maker. Three concentration regions of sulfuric acid having value of B-coefficient (measure of ion-solvent interaction or structure making capacity) in the order 1.0–4.0 mol dm−3 < 4.0–7.0 mol dm−3 < 7.0–9.0 mol dm−3 have been proposed.
Page(s): 1080-1083
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.55A(09) [September 2016]

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