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  • Chem Sci Trans., 2015, 4(1),  pp 176-180  

    DOI:10.7598/cst2015.924

    Research Article

    Studies of Binary Complexes of Metal Ions with 2, 2-Bipyridyl by Potentiometry

  • SHAIKH ABDUL RAHIM*1, SAYYED HUSSAIN2, and MAZAHAR FAROOQUI3
  • 1Department of Chemistry, MIlliya College of Arts, Sci. & Management Sci., Beed, (M.S.), India
    2P.G. Department of Chemistry, Sir Syed College, Aurangabad, India
    3Dr. Rafiq Zakaria College for Women, Aurangabad, India
  • Abstract

    In biological systems transition metal ions exists in the form of different metal ligand complexes therefore investigations on the stability of metal complexes in relation with various structural features are important. Such type of study will help for understanding the driving forces leading to the formation of such complexes in the biological systems. Here we have reported systematic potentiometric studies on the formation of metal ligand complexes of transition metal ions with 2, 2- bipyridyl ligand in aqueous solution at 27 oC temperature in the presence of electrolyte 1N NaNO4. The protonation constant and metal ligand stability constants were determined using Irving Rossotti titration technique. Data obtained from titrations were analysed by SCOGS computer programs. The protonation constant values obtained by half integral method and point wise method are in agreement.

    Keywords

    Binary complex, Rossotti titration technique, 2, 2-Bipyridyl ligand

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