Stability Constants of Some Biologically Important Pyrazoles and Their Ni2+Complexes in Different Dielectric Constant of Medium | Zendy

S. D. Deosarkar | Zendy; Avinash L. Puyad | Zendy; Sonal Amit Chavan | Zendy

Open Access

Stability Constants of Some Biologically Important Pyrazoles and Their Ni2+Complexes in Different Dielectric Constant of Medium

Author(s) -

S. D. Deosarkar,

Avinash L. Puyad,

Sonal Amit Chavan

Publication year - 2011

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2012/950625

Subject(s) - potentiometric titration , stability constants of complexes , dielectric , chemistry , ionic strength , ligand (biochemistry) , ionic bonding , titration , constant (computer programming) , metal , ion , inorganic chemistry , analytical chemistry (journal) , computational chemistry , chromatography , organic chemistry , materials science , aqueous solution , biochemistry , receptor , optoelectronics , computer science , programming language

The proton-ligand stability constants of some biologically important new pyrazoles and formation constants of their complexes with Ni(II) were determined at 0.1 mol dm-3 ionic strength and at 303.15 K in different dielectric constant of dioxane-water mixture by potentiometric method. The Calvin-Bjerrum's pH-titration technique as used by Irving and Rossotti was used for determination of stability constants. The results enabled to study the electrostatic forces of attraction between metal ion and ligand with changes in dielectric constant of the medium

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