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
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 but...
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| Format: | Article |
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Science Reviews 2000
2018
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| author | Ahmad, Wan Hamdah Wan Fagge, Ibrahim Isah Sim, Yoke Leng Khan, Mohammad Niyaz |
| author_facet | Ahmad, Wan Hamdah Wan Fagge, Ibrahim Isah Sim, Yoke Leng Khan, Mohammad Niyaz |
| author_sort | Ahmad, Wan Hamdah Wan |
| collection | UM |
| description | 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. |
| first_indexed | 2024-03-06T05:51:08Z |
| format | Article |
| id | um.eprints-20411 |
| institution | Universiti Malaya |
| last_indexed | 2024-03-06T05:51:08Z |
| publishDate | 2018 |
| publisher | Science Reviews 2000 |
| record_format | dspace |
| spelling | um.eprints-204112019-02-21T02:42:57Z http://eprints.um.edu.my/20411/ 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 Ahmad, Wan Hamdah Wan Fagge, Ibrahim Isah Sim, Yoke Leng Khan, Mohammad Niyaz Q Science (General) QD Chemistry 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. Science Reviews 2000 2018 Article PeerReviewed 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 <https://doi.org/10.3184/146867818X15161889114510>. https://doi.org/10.3184/146867818X15161889114510 doi:10.3184/146867818X15161889114510 |
| spellingShingle | Q Science (General) QD Chemistry Ahmad, Wan Hamdah Wan Fagge, Ibrahim Isah Sim, Yoke Leng Khan, Mohammad Niyaz 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 |
| title | 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 |
| title_full | 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 |
| title_fullStr | 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 |
| title_full_unstemmed | 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 |
| title_short | 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 |
| title_sort | 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 |
| topic | Q Science (General) QD Chemistry |
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