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Determination and comparison of the stability constants of some bivalent ion complexes of 5,7‐dichloro‐, 5,7‐dibromo‐, and 5,7‐dinitro‐8‐Hydroxyquinoline and their N‐oxides
Author(s) -
Gupta R. D.,
Manku G. S.,
Bhat A. N.,
Jain B. D.
Publication year - 1971
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.19713790312
Subject(s) - 8 hydroxyquinoline , chemistry , bivalent (engine) , titration , stability constants of complexes , metal , perchlorate , inorganic chemistry , sodium perchlorate , ion , metal ions in aqueous solution , ligand (biochemistry) , nuclear chemistry , organic chemistry , electrochemistry , biochemistry , receptor , electrode
The stability constants of complexes of Mn ++ , Fe ++ , Co ++ , Ni ++ , Cu ++ , Zn ++ , Cd ++ and UO ++ 2with 5,7‐dichloro‐, 5,7‐dibromo‐ and 5,7‐dinitro‐8‐hydroxyquinoline and their corresponding N‐oxides have been determined in 75 + 25 v/v dioxan + water medium at 35°C in presence of 0.20 M sodium perchlorate by pH‐titration technique as given by I RVING and Rossotti. A possible explanation for the observed orders of the stability constants of the metal complex with the different ligands, and of the complexes of a particular ligand with different metal ions is also proposed.