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Mechanism of oxidation of aromatic amines by peroxomonosulphate – a kinetic study

✍ Scribed by Maddy Satyanarayan Reddy; K. C. Rajanna; Ahmed Naseeruddin

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
369 KB
Volume
27
Category
Article
ISSN
0538-8066

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✦ Synopsis

Abstract

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 σ deviated from linearity. Deviations were explained due to para resonance interaction energies. © 1995 John Wiley & Sons, Inc.

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