Abstract
The chapter discusses the research that involves in the study of micellar effects on inorganic electron transfer and ligand substitution reactions—most of the processes studied involve hydrophilic charged species. As a consequence, some difficulties arise: (1) frequent solubility problems were found, sometimes precluding experiments needed for the rationalization of the experimental kinetic data; (2) no kinetic micellar effects were observed in nonionic micellar solutions, (3) the equations describing the dependence of the observed rate constant values on the nature and the concentration of surfactant and additives are complicated. The dehydrochlorination reactions of various halogenated pesticides in basic media seemed good candidates. The equation presented in the chapter describes that the dependence of the observed rate constant values on the surfactant and the hydroxide ion concentrations in micellar solutions are manageable. In addition, because in nonionic micellar solutions the pesticides are located in the micellar pseudophase—where the processes take place—kinetic micellar effects are expected in these polydisperse media.
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