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Vol. 37 No. 2 (2025): Vol 37 Issue 2, 2025

Copyright (c) 2025 Jayadevappa HP, Sonakshi H S, Arpitha M K, vidyashree K M

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Study of Catalytic Potency of Green Synthesized AgO Nanoparticles in the Degradation of Oxcarbazepine by Chloramine-T in Acidic Aqueous Medium

https://doi.org/10.14233/ajchem.2025.32510
H.S. Sonakshi
Department of Chemistry, Yuvaraja’s College, University of Mysore, Mysuru-570006, India
https://orcid.org/0009-0007-1500-0758
M.K. Arpitha
Department of Chemistry, Yuvaraja’s College, University of Mysore, Mysuru-570006, India
https://orcid.org/0009-0007-4983-1701
K.M. Vidyashree
Department of Chemistry, Yuvaraja’s College, University of Mysore, Mysuru-570006, India
H.P. Jayadevappa
Department of Chemistry, Yuvaraja’s College, University of Mysore, Mysuru-570006, India
https://orcid.org/0000-0003-4925-7782

Corresponding Author(s) : H.P. Jayadevappa

hpjayadevappa@gmail.com

Asian Journal of Chemistry, Vol. 37 No. 2 (2025): Vol 37 Issue 2, 2025

Abstract

The current paper deals with the green synthesis of AgO nanoparticle by sol-gel method and their characterization. Kinetic, mechanistic and thermodynamic studies of AgO nanoparticles catalyzed and uncatalyzed oxidation of oxcarbazepine (OXC) by chloramine-T (CAT) in acidic aqueous medium at 298 K . The stoichiometric parameters of reaction were determined, enabling the identification of the oxidation products for both uncatalyzed and nanoparticle AgO catalyzed reactions. The determined reaction rate exhibited first order dependence on [oxidant] for uncatalyzed reaction whereas non-integer order dependance on nanoparticle catalyzed reaction. The course of reaction shows non-integer order dependance was found on both [OXC] and [H+]. Further rates of reactions were almost unaffected by the products of reaction. A minor inhibitory impact of the dielectric constant was observed for both AgO nanoparticle-catalyzed and uncatalyzed reactions. The reaction rate remained invariant with changes in ionic strength, suggesting the participation of non-ionic species in the rate-determining step. Free radical intermediates were not detected during the course of the reaction. A series of kinetic runs were performed at various temperatures (298-313 K) to evaluate thermodynamic parameters. The experimental data were used to develop a mechanism consistent model, from which the rate laws were derived.

Keywords

Kinetics Chloramine-T Oxcarbazepine Degradation Rate law AgO nanoparticle Stoichiometry
Sonakshi, H., Arpitha, M., Vidyashree, K., & Jayadevappa, H. (2025). Study of Catalytic Potency of Green Synthesized AgO Nanoparticles in the Degradation of Oxcarbazepine by Chloramine-T in Acidic Aqueous Medium . Asian Journal of Chemistry, 37(2), 313–322. https://doi.org/10.14233/ajchem.2025.32510
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