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E-Journal of Chemistry
Volume 8, Issue 2, Pages 859-862
http://dx.doi.org/10.1155/2011/986907

Stability Constants of Mixed Ligand Complexes of Transition Metal(II) ions with N-(2-hydroxybenzylidene)-2,3-dimethylaniline as Primary Ligand and N-(2-hydroxy-1-naphthylidene)-4-nitroaniline as Secondary Ligand

A. K. Mapari1 and K. V. Mangaonkar2

1Ramnarain Ruia College, Matunga (E)Mumbai-400019, Maharashtra, India
2Mithibai College, Vile-Parle (W)Mumbai-400056, Maharashtra, India

Received 5 August 2010; Revised 25 October 2010; Accepted 29 October 2010

Copyright © 2011 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Binary and ternary complexes of the type M-Y and M-X-Y [M=Co(II), Ni(II), Cu(II) and Zn(II); X=N-(2-hydroxybenzylidene)-2,3-dimethylaniline and Y = N-(2-hydroxy-1-naphthylidene)-4-nitroaniline] have been examined pH-metrically at 27±0.5 °C and at constant ionic strength, μ=0.1 M (KCl) in 75:25(v/v) 1,4-dioxne-water medium. The stability constants for binary (M-Y) and ternary (M-X-Y) systems were calculated.