Electrochemical Study of Direct and Indirect Oxidation of 1,5- Diphenylcarbazide in Water Mixed Solvent Systems by Differential Pulse Voltammetry
 
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Electrochemical Lab Department of Chemistry, Ramnarain Ruia College Matunga, Mumbai, 400 019, India
CORRESPONDING AUTHOR
Ajay G. Kaparwan   

Electrochemical Lab Department of Chemistry, Ramnarain Ruia College Matunga, Mumbai, 400 019, India
Publish date: 2017-10-15
 
Eurasian J Anal Chem 2011;6(2):59–69
KEYWORDS
ABSTRACT
Direct and indirect oxidation of 1,5-diphenylcarbazide have been studied at hanging mercury drop electrode with differential pulse voltammetric technique. Direct oxidation of 1,5- diphenylcarbazide with KMnO4 resulted in formation of 1,5-diphenylcarbazone in the system at the reduction potential of –0.3 Volts. Oxidation study with K2Cr2O7 resulted in formation of 1,5-diphenylcarbazone at the reduction potential of -0.3 Volts along with formation of 1,5-diphenylcarbadiazone at the reduction potential of -0.6Volts in the system. Thus indicates that KMnO4 can be utilized for controlled step oxidation of 1,5- diphenylcarbazide, whereas, K2Cr2O7 can be utilized for maximum oxidation of 1,5-diphenylcarbazide. Indirect oxidation of 1,5-diphenylcarbazide was studied by dissolving 1,5-diphenylcarbazide in water mixed solvent systems for aerial oxidation due to formation of 1,5-diphenylcarbazone occurred and detected at the reduction potential of –0.3Volts.
 
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