Electrochemical Reduction of p-Nitro benzoic acid at Glassy Carbon and Stainless Steel(SS-316)Electrode at Different pH

摘要

Cyclic voltammogram of p-nitro benzoic acid(aqueous-methanol solution)in BR Buffer at different pH 5 and 9 exhibits the one reduction peak.Effect of scan rate on cathodic peak potential indicates that these reactions are irreversible.Constant current electrolysis in acidic and basic media of p-nitro benzoic acid gives p-amino benzoic acid and 4,4'-dicarboxy azobenzene,respectively.TLC,NMR and IR spectrum analyses confirmed the products.