Abstract
Spectrophotometric Study of Stability Constants of Cr(III), Ni(II) and Cu(II) Complexes with a Schiff’s Base in Different Solvents
Israel Leka Lere, Mamo Gebrezgiabher Beyene, Mulugeta Chekol and R.K.Upadhyay*
DOI : http://dx.doi.org/10.13005/ojc/290336
Abstract:
Complexation of Cr(III), Ni(II) and Cu(II) with para-dimethylaminoanil of ortho-hydroxyphenylglyoxal Schiff’s base in methanol, ethanol and acetone solvents has been studied spectrophotometrically at room temperature (298K). The stoichiometry and stability of the complexes were determined using mole-ratio method. Stability data shows solvent-wise stability order as methanol > ethanol > acetone.
Keywords:Free energy;Ortho-hydroxyacetophenone;para-dimethylaminoaniline;stability constant
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