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Base-Catalyzed Oxidation of Carboxymethyl-cellulose Polymer by Permanganate: 1. Kinetics and Mechanism of Formation of a Manganate(VI) Transient Species Complex

✍ Scribed by Ali M. Shaker

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 115 KB
Volume: 233
Category: Article
ISSN: 0021-9797
DOI: 10.1006/jcis.2000.7246

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✦ Synopsis

The kinetics and mechanism of the disproportionation of MnO - 4 via [CMC-MnVIO 2- 4 ] intermediate complex formation during the oxidation of carboxymethyl-cellulose (CMC) polysaccharide have been investigated spectrophotometrically at pH ≥ 12 and various temperatures (15-35 • C). The rate law was suggested as rate = k obs [MnO - 4 ]. Kinetic and spectrophotometric measurements revealed the base-catalyzed formation of manganate(VI) transient species. A mechanism was postulated consistent with the experimental data.

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Kinetics and mechanism of formation of manganate(VI) and hypomanganate(V) coordination polymer intermediates during the base-catalyzed oxidation of carboxymethyl cellulose polymer by permanganate, Part 1

✍ Ali M. Shaker 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 169 KB 👁 1 views

## Abstract Kinetics and mechanism of the disproportionation of MnO~4~^−^ via [CMC—Mn^VI^O~4~^2−^] intermediate complex formation during the oxidation of carboxymethyl cellulose (CMC) polysaccharide have been investigated spectrophotometrically at pH ≥12 and various temperatures (15–35^°^C). The ra