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Oxidation of Propane-1,3-diol (Non-Vicinal) by Potassium Permanganate in Aqueous Medium

Dayo Felix Latona

            The oxidation of propane-1,3-diol by potassium permanganate in aqueous solution have been studied at λ_max 525 nm. The rate of the reaction has been found to  increase with increase in [KMnO₄] and [Propane-1,3-diol]. The reaction shows first order dependence both on [KMnO₄] and [Propane-1,3-diol] and independent on the  ionic strength of the solution. The â??H# (kJ mol^-1), â??S# (kJK^-1mol^-1) and â??G# (kJ mol^-1)   were 24.98, -0.22 and 90.50 respectively.  Negative entropy of activation revealed an  ordered transition state for the reaction. Spectroscopic studies showed the product of the  reaction to be 3-hydroxyl-propanal. A plausible mechanism in consonance with  spectroscopic studies and kinetic result was proposed.