Conductance in isodielectric mixtures. III.i-butyronitrile with chlorobenzene,o-dichlorobenzene,p-dichlorobenzene, 1,2-dichloroethane, andn-pentanol

1975 ◽  
Vol 4 (2) ◽  
pp. 175-189 ◽  
Author(s):  
Alessandro D'Aprano ◽  
Raymond M. Fuoss
1963 ◽  
Vol 67 (8) ◽  
pp. 1704-1706 ◽  
Author(s):  
Alessandro D'Aprano ◽  
Raymond M. Fuoss

1979 ◽  
Vol 57 (18) ◽  
pp. 2476-2481 ◽  
Author(s):  
Kumardev Bose ◽  
Kiron K. Kundu

Free energies of transfer (ΔGt0) of the reference electrolyte Ph4AsBPh4 (Ph = phenyl) from ethylene glycol to its approximately isodielectric mixtures with acetonitrile have been determined at 25 °C from the measurement of the solubilities of KPi, Ph4AsPi, and KBPh (Pi = picrate) in these solvents. Using the assumption [Formula: see text] values for the individual ions K+, Pi−, Ph4As+, and Ph4 s− have been estimated. These, in conjunction with previously determined values of ΔGt0 for MCl (M = Li, Na, K, Rb, Cs, and H), KBr and KI have provided ΔGt0 values for Cl−, Br−, I−, and M+ ions. Ionic ΔGt0's have been interpreted in terms of specific ion–solvent interactions. The contrasting behaviour of ethylene glycol and acetonitrile in ion-solvation is shown to be characteristic of the protic and dipolar aprotic solvent types respectively.


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