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  • Chem Sci Trans., 2015, 4(2),  pp 443-457  

    DOI:10.7598/cst2015.959

    Research Article

    Kinetic Study of Co-oxidation of Isopropyl Alcohol with EDTA by Pyridinium Fluorochromate

  • KHUBI LAL REGAR and B. L. HIRAN*
  • Chemical Kinetics and Polymer Research Laboratory, Department of Chemistry, University College of Science, Mohanlal Sukhadia University, Udaipur 313001, Rajasthan, India
  • Abstract

    Kinetic study of co-oxidation of isopropyl alcohol (IPA) with ethylenediaminetetraacetic acid (EDTA) by pyridiniumfluorochromate (PFC) has been investigated in the presence of perchloric acid-water medium at 303 K. The reaction was carried out in induced pseudo first order conditions. The rate of co-oxidation of IPA and EDTA was ten times greater than the combined rate of addition of both compounds separately. EDTA catalyzed the oxidation of IPA. Free radical test proved two electron transfer oxidation and product was Cr(III). Thermodynamic parameters and individual order have been determined. Energy of activation of co-oxidation is 42.52 kcal. mol-1, while individually is 67.55 kcal. mol-1 for IPA & 69.71 kcal. mol-1 for EDTA. Suitable mechanism has been suggested.

    Keywords

    Kinetic study, Co-oxidation, Isopropyl alcohol, IPA, Ethylenediaminetetraaceticacids, EDTA, Pyridinium fluorochromate, PFC

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