THE ALDEHYDE BISULFITES. III. THE EFFECT OF CHANGING HYDROGEN-ION CONCENTRATION UPON THE SPECIFIC REACTION RATE OF THE ADDITION OF SODIUM BISULFITE TO BENZALDEHYDE. IV. DISCUSSION OF THE EQUILIBRIUM, RATES, AND TEMPERATURE COEFFICIENTS AS AFFECTED BY HYDROGEN-ION CONCENTRATION

1932 ◽  
Vol 54 (9) ◽  
pp. 3559-3569 ◽  
Author(s):  
T. D. Stewart ◽  
L. H. Donnally
Keyword(s):  
Reaction Rate ◽  
Sodium Bisulfite ◽  
Hydrogen Ion ◽  
Ion Concentration ◽  
Specific Reaction Rate ◽  
Hydrogen Ion Concentration ◽  
Specific Reaction ◽  
Temperature Coefficients

Kinetics and Mechanism of Oxidation of Tin(II) by Hexachloroiridate(IV) in Aqueous Perchlorate Solutions

1992 ◽  
Vol 57 (2) ◽  
pp. 326-331 ◽  
Author(s):  
Refat M. Hassan
Keyword(s):  
Reaction Mechanism ◽  
Reaction Rate ◽  
Activation Parameters ◽  
Hydrogen Ion ◽  
Ion Concentration ◽  
Hydrogen Ion Concentration ◽  
First Order ◽  
Mechanism Of Oxidation ◽  
Kinetics Of ◽  
Overall Kinetics

The kinetics of hexachloroiridate(IV) oxidation of tin(II) in aqueous perchlorate media at a constant ionic strength of 2.0 mol dm-3 have been studied spectrophotometrically. The reaction was found to follow second-order overall kinetics and first order with respect to each of the reactants. The results showed hydrogen ion dependence where the reaction rate increased with increasing hydrogen ion concentration. The activation parameters were evaluated and a tentative reaction mechanism has been discussed.

THE MECHANISM OF THE ALCOHOLYSIS OF ALIPHATIC NITRITES: II. ACID-CATALYZED ALCOHOLYSIS OF 1-METHYLHEPTYL NITRITE

1961 ◽  
Vol 39 (4) ◽  
pp. 947-953 ◽  
Author(s):  
A. D. Allen ◽  
G. R. Schonbaum
Keyword(s):  
Reaction Rate ◽  
Chloride Ion ◽  
Hydrogen Ion ◽  
Ion Concentration ◽  
Lithium Salts ◽  
Hydrogen Ion Concentration ◽  
First Order ◽  
Low Concentrations ◽  
Acid Catalyzed ◽  
Asymmetric Carbon

The acid-catalyzed alcoholysis of 1-methylheptyl nitrite has been studied kinetically. The reaction rate is first order with respect to both the nitrite and the hydrogen ion concentration, and the reaction does not involve the asymmetric carbon center. Addition of lithium salts (chloride and perchlorate) indicates catalysis by chloride ion. Addition of water in low concentrations inhibits the reaction strongly. These results and the mechanism of the reactions are discussed in terms of the properties of the alcohols and the dissociation of the acid catalysts in the alcohols used.

Sign in / Sign up

Export Citation Format

Share Document