Kinetics and Mechanism of Sulphite Oxidation by Permanganate in Acid Medium

Ernst, T.; Cyfert, M.

doi:10.1515/zpch-1987-26822

Zeitschrift Für Physikalische Chemie

1987

DOI: 10.1515/zpch-1987-26822

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Kinetics and Mechanism of Sulphite Oxidation by Permanganate in Acid Medium

T. Ernst¹,

M. Cyfert²

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“…Although permanganate has been used as oxidant for the oxidation of several organic and inorganic substrates [6][7][8][9][10][11][12][13], a literature survey shows that the kinetic study of theophylline oxidation by Mn(VII) is lacking. Hence we have investigated the oxidation of theophylline by acidic permanganate solutions.…”

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Kinetics and Mechanism of the Autocatalyzed Oxidation of Theophylline by Permanganate in Aqueous Perchloric Acid Medium

et al. 2012

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The reaction kinetics for the oxidation of theophylline by permanganate ions have been investigated in perchloric acid medium using spectrophotometric techniques at 25 • C, and at constant ionic strength 1.60 mol·dm −3 , under pseudo first order conditions. An autocatalyzed reaction is observed due to one of the products formed is Mn(II). The orders with respect to theophylline and Mn(VII) were both found to be unity, whereas fractional order is observed with respect to the autocatalyst, Mn(II). The rate of the reaction increases as the concentration of acid increases, but the order with respect to acid concentration is less than unity. The influence of temperature on the rate of reaction was studied. Based on the experimental results a suitable mechanism is proposed. The activation and thermodynamic parameters were determined with respect to slow reaction step.

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Kinetics and Mechanism of the Autocatalyzed Oxidation of Theophylline by Permanganate in Aqueous Perchloric Acid Medium

et al. 2012

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ChemInform Abstract: Kinetics and Mechanism of Sulphite Oxidation by Permanganate in Acid Medium.

Ernst

Cyfert

1987

ChemInform

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Kinetics and mechanism of sulfite oxidation by permanganate in basic medium

Ernst

Cyfert

Wilgocki

1992

Int J of Chemical Kinetics

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Kinetics and Mechanism of Sulphite Oxidation by Permanganate in Acid Medium

Cited by 3 publications

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Kinetics and Mechanism of the Autocatalyzed Oxidation of Theophylline by Permanganate in Aqueous Perchloric Acid Medium

Kinetics and Mechanism of the Autocatalyzed Oxidation of Theophylline by Permanganate in Aqueous Perchloric Acid Medium

ChemInform Abstract: Kinetics and Mechanism of Sulphite Oxidation by Permanganate in Acid Medium.

Kinetics and mechanism of sulfite oxidation by permanganate in basic medium

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