ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Stability Constants of Copper (Ii) Complexes With B-Picoline and Some Hydroxy Acids : A Polarographic Study

Volume 20, Number 1

P. K. S. Chauhan, Amit Verma and R. K. Paliwal*

Department of Chemistry, Narain College, Shikohabad- 205 135 (India)

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ABSTRACT:

The mixed ligand complexes of b-picoline (b-pico), glycollate (gly-1) and lactate (lact-1) with Cu(II) have been studied polarographically at constant ionic strength, μ = 1.5 (NaNO3) and pH 5.95 at 25 ± 0.1°C. The reduction of the complexes at d.m.e. is reversible and diffusion-controlled. Two mixed complexes, [Cu(b-pico)(gly)]+ and [Cu(b-pico (lact)]+ are formed. Their stability constants at 25°C are ; log b11 = 4.596 and log b11 = 4.856.

KEYWORDS:

Polarography; Mixed complexes; Stability constants

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Chauhan P. K. S, Verma A, Paliwal R. K. Stability Constants of Copper (Ii) Complexes With B-Picoline and Some Hydroxy Acids : A Polarographic Study. Orient J Chem 2001;20(1).

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Chauhan P. K. S, Verma A, Paliwal R. K. Stability Constants of Copper (Ii) Complexes With B-Picoline and Some Hydroxy Acids : A Polarographic Study. Orient J Chem 2001;20(1). Available from: http://www.orientjchem.org/?p=18412

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