A Solution Study of Complex Formation of Some Diamines with Lanthanones | Zendy

J. J. Vora | Zendy; Divyesh R. Patel | Zendy; Asha D. Patel | Zendy; Kanu Patel | Zendy; Sangita Sharma | Zendy; L. S. Bhutadiya | Zendy; S. B. Vasava | Zendy

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A Solution Study of Complex Formation of Some Diamines with Lanthanones

Author(s) -

J. J. Vora,

Divyesh R. Patel,

Asha D. Patel,

Kanu Patel,

Sangita Sharma,

L. S. Bhutadiya,

S. B. Vasava

Publication year - 2008

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2009/205983

Subject(s) - ethylenediamine , chemistry , steric effects , diamine , ionic strength , propane , aqueous solution , stability constants of complexes , ionic bonding , metal , titration , inorganic chemistry , ligand (biochemistry) , metal ions in aqueous solution , ionic radius , ion , polymer chemistry , stereochemistry , organic chemistry , biochemistry , receptor

To study the metal ligand equilibrium in aqueous solution, the well known Irving-Rossotti titration method was used. The temperature selected is 30±0.10C at ionic strength 0.2 M (NaClO4) which was maintained constant through out the work. The binary metal complex (ML2) formation was studied. The metals selected are Sm3+, Gd3+, Dy3+ and Yb3+. The diamine ligands taken are ethylenediamine, 1,2 diamino propane, 1,3 diamino propane, N-N diethyl ethylenediamine and N-N -dimethyl ethylenediamine. Factors that affected the stability of the complexes are size and ionic potential of lanthanone ions, basicity of ligands, ring size and steric effect of ligands

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