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Bulletin of Pure and Applied Sciences-Chemistry (Started in 1982)
eISSN: 2320-320X
pISSN: 0970-4620
Impact Factor: 6.991 (2018)
DOI: 10.5958/2320-320X
Editor-in-Chief:  Dr. Pruthviraj. R.D.
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Article Details

Bulletin of Pure and Applied Sciences-Chemistry (Started in 1982)
Year : 2014, Volume & Issue : Volume-33C, Issue-1and2 (January-December)
Page No. : 55-65, Article Type : Original Aticle
Article DOI : 10.5958/2320-320X.2014.00007.7 (Received on 04 Marrch 2014: Accepted on 30 October 2014)

Kinetics of rhodium(III)-catalysed oxidation of some aromatic ketones by diperiodatocuprate(III) in aqueous alkaline medium

∗M. Ravi Chandar, K.Nagi Reddy† and £T.Ravi Prasad
Author’s Affiliation : † Associate Professor, CBIT, Gandipet, Hyderabad.(A.P.) £ Rtd Professor, Kakatiya University, Warangal (A.P.) * Associate Professor,Department of Physics & Chemistry Mahatma Gandhi Institute of Technology (MGIT) Gandipet - Hyderabad – 500 075

Corresponding Author : M. Ravi Chandar, Associate Professor,Department of Physics & Chemistry Mahatma Gandhi Institute of Technology (MGIT) Gandipet - Hyderabad – 500 075,
E-Mail:-[email protected]


Abstract

Rhodium(III)Chloride catalyzed oxidation of some aromatic ketones by Diperiodatocuprate(III) (DPC) in aqueous alkaline medium has been studied spectrophotometrically at 414nm. The order in [DPC] is zero and one each in [Rh(III)] and [ketone]. No salt effect and [OH-] effect have been found on the rate of oxidation. The stoichiometric studies reveal that one mole of substrate consumes two moles of DPC giving the corresponding carboxylic acid as the reaction product. A direct reaction between Rh(III) and substrate to give product has been proposed.
 

Keywords

Rh(III) Chloride, Aromatic Ketones, Diperiodatocuprate(III), Carboxylic acids, Hydride ion abstraction
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