The Effect of Ionic Strength on Reactions between Ions

The Effect of Ionic Strength on Reactions between Ions 

If we use the limiting law to express the activities and let kl represent the rate constant at infinite dilution, we find [Eq. (XV.7.12)] 

This last equation, derived from Bronsted s and Bjerrum s equations, has been the subject of intensive investigation.- It predicts that, at low 

It has been shown, however, by Scatchard that such ion-ion interaction is to be expected if one uses further terms in the Debye-Hiickel equation. If Mayer s somewhat complex theory of electrolytes is applied to polyvalent ions, quantitative agreement is also possible. What is implicit in all of these effects and what is quite reasonable is that polyvalent ions of 

III [O2N—N—COOEt]- + OH- N2O + CO r + EtOH IV cane sugar + OH — invert sugar (hydrolysis reaction) 

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Another well-known example of a medium effect in solution kinetics is the effect of ionic strength on reactions between ions [38, 39]. This is normally treated using the extended Debye-Huckel theory to estimate the activity coefficients in equation (7.10.1). The activity coefficient for species i is given by... 

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