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Uncatalysed Oxidation of Dextrose by Cerium(IV) in Aqueous Acidic Medium-A Kinetic and Mechanistic Study

Author Affiliations

  • 1Department of Chemistry, Govt. Nagarjuna P.G. College of Science, Raipur-492010, Chhattisgarh, INDIA

Res.J.chem.sci., Volume 2, Issue (11), Pages 55-60, November,18 (2012)


A Kinetics investigation of uncatalysed oxidation of dextrose by cerium(IV) have been studied in acidic medium in the temperature range 303-328K. The reaction has been found to be first order with respect to dextrose in an uncatalysed reactions. The effect of [HSO4-] has also been observed. The increase in ionic strength of the medium decreases the rate of uncatalysed reaction. A 1:2 stoichiometry is observed in the oxidation reaction.On the basis of the experimental results, a reasonable mechanism has been proposed. Rate equation derived from this mechanism can explain all the experimental results. From the effect of temperature on the reaction rate, the Arrhenius equation and various activation parameters have been computed.


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