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  DOI Prefix   10.20431


 

International Journal of Advanced Research in Chemical Science
Volume 5, Issue 2, 2018, Page No: 14-19

Synthesis, Spectral and Kinetic Study of Demi-macrocycle of N2O2 with Complex of Co (II) Ion

Sameena Rasheed1,M.U.Khan1,Surendra Singh Parihar1,A.P.Dwivedi2

1.Department of Chemistry, Govt. Girls P.G. College (NAAC) Rewa (M.P.) India.
2.Department of Chemistry, Sanjay Gandhi Smrati Govt. Auto. P.G. College Sidhi M.P -486661.

Citation : Sameena Rasheed,M.U.Khan,Surendra Singh Parihar,A.P.Dwivedi, Synthesis, Spectral and Kinetic Study of Demi-macrocycle of N2O2 with Complex of Co (II) Ion International Journal of Advanced Research in Chemical Science 2018, 5(2) : 14-19

Abstract

Macrocyclic Co (II) complex was synthesized by the condensation reaction, with ligand donor N2O2. The complex was characterized with the aid of elemental analysis, spectral methods, and measurements of conductance and magnetic moment. The electronic spectral data suggested octahedral geometrics with coordination number six for the complex. The kinetic measurements was carried out under pseudo-first order condition in the pH range 4-0 to 5.2 and 5.0 to 6.6 for the Co (II) with the total ligand concentration at least 10 folds excess of the total concentration of Co (II) and its effect was successfully analysed in terms of different activities. The complex formation is found to be a one step first-order in both the metal ion and ligand. Thermodynamic parameters were evaluated and the kinetics of formation of complex was discussed.


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