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E-Journal of Chemistry
Volume 8, Issue 1, Pages 123-126

Stability Constants of Mixed Ligand Complexes of Transition Metal(II) Ions with N-(2-Hydroxy-1-naphthylidene)-2,6-diisopropylaniline as Primary Ligand and N-(2-Hydroxybenzylidene)-2,3-dimethylaniline 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 18 May 2010; Accepted 23 July 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.


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-hydroxy-1-naphthylidene)-2,6-diisopropylaniline and Y = N-(2-hydroxybenzylidene)-2,3-dimethylaniline] have been examined pH-metrically at 27±0.5 °C and µ = 0.1 M in 75: 25% (v/v) 1,4-dioxne-water medium. The logarithms of the values of stability constants for binary (M-Y) and for ternary (M-X-Y) systems were calculated.