MECHANISM OF OXIDATION OF AROMATIC-AMINES BY PEROXOMONOSULFATE - A KINETIC-STUDY

被引：5
|
作者：
REDDY, MS
RAJANNA, KC
NASEERUDDIN, A
机构：
[1] Department of Chemistry, Osmania University, Hyderabad
来源：
INTERNATIONAL JOURNAL OF CHEMICAL KINETICS | 1995年 / 27卷 / 12期
关键词：
D O I：
10.1002/kin.550271202
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Oxidation of aromatic amines (substrate) by peroxomonosulphate (PMS) in phthalate buffers at various temperatures revealed first-order dependence on [PMS] as well as [Substrate]. Rate of oxidation was found to increase with an increase in pH as well as dielectric constant (D) of the medium. The most plausible mechanism involving PMS(-) and substrate in rate limiting step was proposed. Hammett's plot of log-rate constant versus sigma deviated from linearity. Deviations were explained due to ara resonance interaction energies. (C) 1995 John Wiley & Sons, Inc.
引用
收藏
页码：1143 / 1150
页数：8
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