Kinetics and Mechanism of Maltose Oxidation by N-Bromosaccharin with and without Non-Ionic Surfactant [Brij-35]

Author(s)	Ms. Aishwarya Yadav, Dr. Rekha Lagarkha
Country	India
Abstract	The oxidation of maltose by N-bromosaccharin (NBSA) was examined in acidic aqueous medium at 313-343 K, both in the presence and absence of Brij-35 micelle. At initial concentration of NBSA, the reaction follows first-order kinetics, with or without non-ionic micelle. The reaction displays fractional-order dependence on maltose and slows with increasing [H+] concentration. The presence of Brij-35 significantly modifies the reaction rate, highlighting the role of micellar media. Kinetic studies suggest intermediate complex formation between the oxidant and Maltose. The reactions are acid-catalyzed, following both acid-dependent and independent pathways. Quantitative analysis was performed using the Menger–Portnoy and Piszkiewicz models, and parameters such as observed rate constants (kobs), binding constants (KM & KS), and cooperativity index (n) were determined. Activation parameters were evaluated with and without Brij-35. Effects of medium polarity, addition of saccharin, and Hg (II) acetate were also examined, with micellar catalyzing the oxidation. A reaction mechanism consistent with the kinetics, stoichiometry, and product analysis is proposed.
Keywords	Micelle, Maltose, Oxidation, N-bromosaccharin, Brij-35, stoichiometry
Field	Chemistry
Published In	Volume 8, Issue 1, January-February 2026
Published On	2026-01-29
DOI	https://doi.org/10.36948/ijfmr.2026.v08i01.67426

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