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Kinetic and mechanistic study of oxidation of diethylamine by N-sodio-N-bromobenzene sulphonamide (Bromamine-B) in acid solution: Catalyzed by Ru(III)

✍ Scribed by S. Ananda; Ravi J. D. Saldanha; K. M. L. Rai; B. M. Venkatesha

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 159 KB
Volume: 31
Category: Article
ISSN: 0538-8066
DOI: 10.1002/(sici)1097-4601(1999)31:10<744::aid-jck8>3.0.co;2-n

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✦ Synopsis

Kinetics of oxidation of diethylamine (DEA) by Bromamine-B (BAB) has been investigated at in acid solution with Ru(III) as catalyst. The oxidation behavior obeys 303 K the rate law, rate ϭ k [BAB] [DEA] [Ru(III)] [H ϩ ] Ϫx where 'x' is less than unity indicating retardation of rate by [H ϩ ].

Added halide ions, the reaction product benzenesulphonamide, variation of ionic strength and dielectric constant of the medium do not have any significant effect on the rate. The protonation constant of monobromamine-B evaluated for the reaction is 32.3 at Activation parameters have been evaluated from Arrhenius plot. A mechanism 303 K. consistent with experimental results has been proposed.

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