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Asian Journal of Research in Chemistry
Year : 2019, Volume : 12, Issue : 2
First page : ( 84) Last page : ( 88)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2019.00019.1

Synthesis and Physico Chemical Studies of Some Cobalt (II) Complexes with Bromide and Biologically Active Ligands

Kar Manoranjan, Guin R. R., Nayak S.C.*

Department of Chemistry, B.N.M.A College, Paliabindha, Bhadrak, Odisha, 756167

*Corresponding Author E-mail: saratnayak31@rediffmail.com

Online published on 15 May, 2019.


Eleven cobalt (11) complexes of type [Co(L)6]Br2 (where L=imidazole, pyridine, peperidine, piperazine, indole, benzimidazole, benzotriazole, triazole, quinoline, iso-qunoline, carbazole) have been synthesized and are well characterized by elemental analysis, IR. UV. Mass Spectra and magnetic measurement. All these complexes are soluble in ethanol and the conductance measurement shows that all these complexes are of 1: 2 type electrolyte. The IR spectra indicate the coordination between the central cobalt atom and nitrogen atom of the ligands. In the mass spectra molecular ion peak of these complexes appear at appropriate place. The thermo gravimetric analysis shows the strong bond between the central cobalt atom and bromine atom of the complexes. In the complexes the ligands are loosely attached to the central cobalt atom as these are removed first on heating. Finally considering all the spectral analysis conductance values, thermo gravimetric analysis, conductance values octahedral structure are proposes for these complexes



Cobalt, bromine atom, conductance, IR spectra, Mass spectra, Complexes, Ligands.


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