Ahmad, Wan Hamdah Wan and Fagge, Ibrahim Isah and Sim, Yoke Leng and Khan, Mohammad Niyaz (2018) Kinetics and mechanism of alkaline hydrolysis of N-(o aminophenyl)phthalimide in the presence and absence of cationic micelles and sodium salts of aliphatic acids. Progress in Reaction Kinetics and Mechanism, 43 (2). pp. 144-156. ISSN 1468-6783, DOI https://doi.org/10.3184/146867818X15161889114510.
Full text not available from this repository.Abstract
Pseudo first-order rate constants, kobs, for the alkaline hydrolysis of N-(o-aminophenyl) phthalimide, obtained at constant [CTABr]T (total concentration of cetyltrimethylammonium bromide) and varying concentrations of inert salt MX (MX = sodium formate, sodium acetate, sodium propanoate, sodium butyrate, sodium valerate and sodium hexanoate) follow the relationship: kobs (K0 + θKX/S [MX])/(1 + KX/S [MX]) where θ and KX/S are empirical constants and S = HO-. The values of KX/S for each aliphatic acid decrease with an increase in [CTABr]T. This relationship gives an empirical constant whose magnitude is the measure of the ability of an ion, X- X/S, to expel another counterion S-, from the cationic micellar surface to the bulk aqueous phase. The values of the empirical constant, K X/S, are used to derive the ion exchange constant, KBr X.
| Item Type: | Article |
|---|---|
| Funders: | Ministry of Higher Education, Malaysia (MOHE) and the UM High Impact Research Grant (HIR): research grant UM-MOHE UM.C/625/1/HIR/MOHE/SC/07 |
| Uncontrolled Keywords: | Counterions; Hydrolysis of N-(o-aminophenyl) phthalimide; Micelles |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Department of Chemistry |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 21 Feb 2019 02:42 |
| Last Modified: | 21 Feb 2019 02:42 |
| URI: | http://eprints.um.edu.my/id/eprint/20411 |
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