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    STUDIA CHEMIA - Ediţia nr.1 din 2007  
         
  Articol:   ONE-PLUS RATE EQUATION, AN USEFUL TOOL TO ELUCIDATE THE REACTION MECHANISM.

Autori:  I. BALDEA, DANA-MARIA SABOU, ALEXANDRA RUSTOIU-CSAVDARI.
 
       
         
  Rezumat:  One-plus rate equation rather than power rate equation is an useful tool in interpreting the reaction mechanism. Three systems, the oxidation of toluene and some substituted toluenes by Ce(IV), the oxidation of S-methylcysteine by chromate and the oxidation of thiamine by permanganate have been undertaken as kinetic studies and have been found to obey such type of rate laws. To suggest reaction mechanisms the inference of kinetic along with some extra-kinetic proofs were taken into consideration. The reactions start with the formation of intermediates made up from substrate and reactant as pre-equilibria, followed by electron-transfer processes. Various influence of hydrogen ion was deduced from the kinetic data. The paper also discusses general and literature examples to clear up the concepts in connection with network elucidation.  
         
     
         
         
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