Effect of Urea on the Kinetics of the Alkaline Hydrolysis of Crystal Violet Catalyzed by Aqueous Micellar Solutions of Cetyltrimethylammonium Bromide

Abstract

Kinetics of alkaline hydrolysis of crystal violet (CV) in micellar solutions of a cationic surfactant, cetyltrymethylammonium bromide (CTAB) both in absence and presence of urea was investigated. The reaction was catalyzed by micelles of CTAB and addition of urea caused a gradual decrease in the rate of the reaction. Kinetic results could be correlated with change in micellization behavior of CTAB by water structure breaking effect of urea. The kinetic profiles have been fitted with the simulated profiles on the basis of pseudo-phase ion-exchange model and best fits with reasonable parameters could be obtained.

Water structure modification by d-(+)-glucose at different concentrations and temperatures-effect of mutarotation

“…To understand the mechanisms of these chemical reactions, the structure and dynamics of water need to be understood. 3,4 There is strong evidence that the three-dimensional network of hydrogen bonds in liquid water is large but transient. [5][6][7][8] This extensive network of hydrogen bonds gives water its highly structured liquid state.…”