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Cyclohexene was oxidized using chromium (VI) oxide (CrO3) in pure acetic acid medium. The products of oxidation were analysed using simple qualitative analysis, IR spectroscopy and Gas chromatography-Mass spectrometry (GC/MS). Kinetics studies were carried out to determine the order of reaction, rate constant and the activation energy with respect to the oxidant using pseudo-order approximation method. The influence of Cu2+, Co2+ and Fe2+ as catalysts were also investigated. Qualitative analyses of the products revealed the presence alcohols and ketones while the GC/MS shows the presence of cyclohexanol (2.46%), cyclohexanone (5.05%), 2-cyclohexen-1-one (59.37%), 1,2-cyclohexanediol monoacetate (9.88%), 2-hydroxy-cyclohexanone (1.75%) and bi-2-cyclohexen-1-yl (5.16%). The reaction order was shown to be 2nd order with respect to the CrO3 with activation energy of 45.32 kJ mol-1 while Co2+ and Fe2+ indicated some catalytic activity on the reaction.

Kinetic Studies of Catalytic Oxidation of Cyclohexene Using Chromium VI Oxide in Acetic Acid Medium