Kinetics and Mechanism of Oxidation of Sodium Sulfanilate by Dihydroxydiperiodat Onickelate(IV) in Aqueous Medium


  •  Haixia Shen    
  •  Jinhuan Shan    
  •  Jiying Zhang    
  •  Xiaoqian Wang    

Abstract

The kinetics of oxidation of sodium sulfanilate by dihydroxydiperiodatonickelate?IV?(DPN) was studied
spectrophotometrically in alkaline medium. The reaction rate showed first order dependence in oxidant and
fractional order in reductant. The corresponding reaction mechanism involving a pre-equilibrium of adduct
formation between the complex and reductant was proposed. The rate equations derived from mechanism can
explain all experimental observations. The activation parameters along with rate constants of the rate-determining
step were calculated.


This work is licensed under a Creative Commons Attribution 4.0 License.
  • ISSN(Print): 1916-9698
  • ISSN(Online): 1916-9701
  • Started: 2009
  • Frequency: semiannual

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