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Title: Mechanism of oxidation of p-nitroaniline by ammonium metavanadate in sulphuric acid medium: A kinetic approach
Authors: Verma, Madhavi
Tekchandani, Chetna
Issue Date: Oct-2004
Publisher: NISCAIR-CSIR, India
IPC Code: lnt Cl.7 C07B 33/00
Abstract: The kinetics of ammonium metavanadate oxidation of p-nitroaniline in sulphuric acid medium has been followed spectrophotometrically. The reaction follows second order kinetics being unity in each of the reactants. The stoichiometry of the reaction has been found to be 1:1. The effect of various parameters viz. [oxidant], [substrate], [H+], ionic strength, dielectric constant and added micelles have been investigated and the thermodynamic parameters have been evaluated. p-Benzoquinone has been identified as the main oxidation product by chromatographic and UV spectrophotometric techniques. A suitable mechanism consistent with the experimental results has also been proposed.
Page(s): 2109-2112
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.43A(10) [October 2004]

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