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Kinetics of acid catalyzed and Ag(I) catalyzed decomposition of peroxodisulfate in aqueous medium

✍ Scribed by U. Chandra Singh; K. Venkatarao

Publisher: John Wiley and Sons
Year: 1981
Tongue: English
Weight: 397 KB
Volume: 13
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550130605

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✦ Synopsis

The mechanism of acid catalyzed decomposition of peroxodisulfate, (SzOi-) in aqueous perchlorate medium involves the hydrolysis of the species HzSzOe and HSzOB and the homolysis of the species HzS208, HSz08 and S20:at the 0-0 bond. The overall rate law when

The constants k' and k " contain the hydrolysis and homolysis rate constants of HSZOT and H2S208, respectively. With added Ag( I), the acid catalyzed and Ag(1) catalyzed reactions take place independently. Ag(1) catalyzed decomposition appears to involve the species AgSzOi (aq).

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