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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 56, Number 1
JKCSEZ 56(1)
February 20, 2012 

 
Title
Kinetics and Mechanism of Ruthenium(III) Catalyzed Oxidation of Butanone and Uncatalyzed Oxidation of Cychlohexanone by Cerium(IV) in Acid Sulphate Medium
Author
Priyamvada Sharma, Shalini Hemkar, C.L Khandelwal, P D Sharma
Keywords
Kinetics, Ruthenium(III), Oxidation, Ketones, Cerium(IV)
Abstract
The kinetics of ruthenium(III) chloride catalyzed oxidation of butanone and uncatalyzed oxidation of cyclohexanone by cerium(IV) in sulphuric acid medium have been studied. The kinetic rate law(I) in case of butanone conforms to the proposed mechanism. (1) However, oxidation of cyclohexanone in absence of catalyst accounts for the rate eqn. (2). (2) Kinetics and activation parameters have been evaluated conventionally. Kinetically preferred mode of reaction is via ketonic and not the enolic forms.
Page
28 - 33
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