Ariffin, Azhar and Khan, Mohammad Niyaz and Sim, Y.L. and Ahmad, W.H.W. (2008) Determination of pKa of ammonium and phenolic groups: Evidence of intramolecular hydrogen bonding in aqueous solution. Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry, 47 (2). pp. 240-245. ISSN 0376-4710,
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Abstract
The ionization constants of 2-hydroxyanilinium, 2-methoxyanilinium, 4-nitroanilinium ions, N-(2′-hydroxyphenyl)-phthalamic acid and N-(2′-methoxyphenyl) phthalamic acid, determined spectrophotometrically, have been rationalized in terms of internal hydrogen bonding and steric hindrance between o-substituent and reaction site.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Additional Information: | Department of Chemistry, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA |
| Uncontrolled Keywords: | ionization, 2-hydroxyanilinium, 2-methoxyanilinium, 4-nitroanilinium ions, N-(2′-hydroxyphenyl)-phthalamic acid, N-(2′-methoxyphenyl) phthalamic acid, spectrophotometrically, internal hydrogen bonding, steric hindrance, o-substituent, reaction site. |
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Department of Chemistry |
| Depositing User: | Miss Malisa Diana |
| Date Deposited: | 03 Jul 2013 03:46 |
| Last Modified: | 27 Aug 2019 04:53 |
| URI: | http://eprints.um.edu.my/id/eprint/8065 |
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