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Electrochemical Studies of Cadmium(II) Complexes with Itaconic Acid in Non-Aqueous Media at Dropping Mercury Electrode
Asian Journal of Chemistry,
Vol. 22 No. 1 (2010): Vol 22 Issue 1, 2010
Abstract
Studies of Cd(II) complexes with itaconic acid have been carried out by polarographic method in non-aqueous (40 % DMSO, 40 % DMF and 40 % ethanol) medium under varying temperatures, at 298 and 308 K in presence of potassium chloride as a supporting electrolyte. The reduction of Cd(II) was found to be reversible in non-aqueous medium for itaconic acid ligand and have shown the formation of 1:1, 1:2 and 1:3 complexes. DeFord and Hume's method as modified by Irving has been applied for the determination of composition and stability constant of the complexes species. The changes in thermodynamic parameters ΔH°, ΔG° and ΔS° accompanying complexation have been evaluated. The mathematical Mihailov's method has also been applied for the compa-rison of stability constants values.
Keywords
Cadmium(II)
Itaconic acid
Stability constants.
KARADIA, C., SHARMA, S., & GUPTA*, O. (2009). Electrochemical Studies of Cadmium(II) Complexes with Itaconic Acid in Non-Aqueous Media at Dropping Mercury Electrode. Asian Journal of Chemistry, 22(1), 31–36. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/16615
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