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Title: Kinetics of complex formation reactions of chloromethyl(aquo)cobaloxime complex with cyanide and imidazoles
Authors: Reddy, D Sudarshan
Rao, A Rajeshwar
Satyanarayana, S
Issue Date: Dec-2002
Publisher: NISCAIR-CSIR, India
Abstract: Formation constants have been determined for the reaction of ClCH2Co(DH)2OH2 with CN- and different imidazole based nucleophiles as a function of pH. The kinetics of this reaction has been studied as a function of entering ligand concentration at a fixed pH and as a function of pH at a fixed concentration of the entering ligand. Dissociation reaction has also been studied as a function of pH. Bonding and kinetic data have been interpreted based on the basicity, bulkiness (steric crowd) of the entering ligand and HSAB principle. The soft ligand CN- binds very strongly. To compare the rate constants of the entering ligands, pH independent second order rate constants have been calculated.
Page(s): 2475-2481
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.41A(12) [December 2002]

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