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Kinetic study of Oxidation of some Monosaccharides by Chloramine-T induced by Visible light source

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Author Affiliations

  • 1Advance College of Science & Commerce, Ujjain, MP, INDIA
  • 2School of Studies in Chemistry & Biochemistry, Ujjain, MP, INDIA

Res.J.chem.sci., Volume 4, Issue (7), Pages 61-65, July,18 (2014)

Abstract

The kinetics of photochemical oxidation of glucose and fructose by chloramine-T in acidic medium has been studied. The reaction mixture including known quantity of substrate (glucose/fructose), acid and chloramine-T was taken in the vessel and irradiated in the visible light source. The course of the reaction was followed at definite interval by titrating the reaction mixture against standard hypo solution using starch as an indicator. The reaction has a first order dependence on chloramine-T. With excess concentration of other reactants, the reaction rate follows first order kinetics with respect to substrate. The reaction is catalysed by H+ ions as well. A small salt effect and increase in reaction rate with increasing the intensity of light source is also observed. Addition of p-toluene sulphonamide retards the reaction rate. On the basis of product analysis, a pertinent mechanism is proposed.

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