Synthesis and Characterization Studies of Complexes of Co(III), Ni(II), Cu(II), Zn(II),Cd(II) and Hg(II) with new azo ligand 2-[2--(6-Methyl benzothiazolyl)azo]-4-Hydroxy phenol.

Abstract

In this work the new azo ligand prepared was 2-[2--(6-Methyl benzothiazolyl)azo]-4-Hydroxy phenol (MeBTAHP) by coupling reaction between 6-Methy-2-benzo thiazolyl diazolyl diazonium chloride with 4-hydroxy phenol in alkaline alcoholic sulotion.New six complexes of Co(III),Ni(II),Cu(II),Zn(II),Cd(II) and Hg(II) were synthesis and characterized by Uv-vis spectra , in Frred spectra ,electronic spectra,magnetic susceptibility and molar conductance measurements. Measurements were conducted appint a constant stability the complexes and spectral methods were stability in the following order Co(III)< Cd(II) <Cu(II)<Ni(II) <Hg(II) < Zn(II).Through mesurments above general formula were identified for complexes [M(LH)2]Cl.H2O,the analytical data show that the metal to ligand ratio in all complexes are (1:2) in complexes Co(III),Ni(II) and Cu(II) and (1:1) in complexes Cd(II),Zn(II) and Hg(II) .