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Oxidative Decarboxylation of Dicarboxylic Acid by Pyridiniumdichromate- Kinetic and Mechanistic Study

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1TitleTitle of DocumentOxidative Decarboxylation of Dicarboxylic Acid by Pyridiniumdichromate- Kinetic and Mechanistic Study
2CreatorAuthor's name, affiliation, country RAKESH KUMAR SHARMA1, DASHRATH SINGH RATHORE1 and B. K. DANGARH2
1 Department of Chemistry, Pacific University, Udaipur, India
2Department of Chemistry, Govt. P. G. College, Neemuch, India
3SubjectDicipline(s) Chemical Science
3SubjectKeywords Oxalic acid, Pyridiniumdichromate, Oxidation, Kinetics
4DescriptionAbstract Oxidation of dicarboxylic acid viz-oxalic acid by pyridiniumdichromate (PDC) in perchloric acid medium has been studied. Active oxidizing species involved is protonated PDC. First order plot is observed for log(a-x) versus time. Effect of concentration of PDC, HClO4, Mn(II), Ce(III) and ionic strength has been investigated. Thermodynamic parameters have been evaluated. Energy of activation is 51.22 kJ mol-1. Entropy of activation is low and negative. The activation energy does not correspond to C-C bond breaking, but the reaction products indicate C-C bond breaking. A cyclic complex formation, which undergoes C-C fission, has been suggested.
5PublishersOrganizing agency, location WWW Publications, India
6Contributor Sponsor(s) -
7DateDate (YYYY-MM-DD) -
8TypeStatus & genre Peer-reviewed Article
8TypeType
9FormateFile Formate PDF
10IdentifierUniform Resource Identifier Click Here
10IdentifierDigital Object Identifier
11SourceJournal/conference title; vol., no. (Year)Chemical Science Transactions, Volume  4 , Number  (2), (2015)
12LanuguageEnglish=en en
13RelationSupp.files
14Coverage -
15CopyrightCopyright and permissions
Chemical Science Transactions | Chem Sci Trans | CST | Online Chemistry Journal | Open Access
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