International Journal of Chemical Kinetics p. 303 - 308 (2006)
Update date:2022-08-17
Topics:
Mohareb, Michael M.
Ghosh, Kallol K.
Palepu, Rama M.
The kinetics of the reaction of methyl 4-nitrobenzenesulfonate + Br - ions has been studied in ethanol amine based (alkyldimethylethanolammonium bromide and alkyldiethylethanolammonium bromide) surfactant solutions. The observed first-order rate constants increase monotonically with surfactant concentration, with hydrophobic chain length and with head group bulk in a manner similar to other quaternary ammonium surfactants. The results were analyzed using the pseudophase model of micellar rate effects in conjunction with a Langmuir form to describe micellar binding of bromide ion. An attempt to estimate activation parameters of the reaction from temperature variance of micellar pseudophase rate constants has also been made.
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