Substitution reactions of oxalato complex ions. XI. Kinetics of the anation of aquopentaamminecobalt(III) ion by oxalate in aqueous acidic solution

1975 ◽  
Vol 14 (1) ◽  
pp. 10-14 ◽  
Author(s):  
Rudi. Van Eldik ◽  
Gordon M. Harris
1970 ◽  
Vol 48 (6) ◽  
pp. 910-912 ◽  
Author(s):  
D. L. Gay ◽  
Robert Nalepa

The volumes of activation for the aquation of Co(NH3)5Cl2+ and Cr(NH3)5NCS2+ in aqueous acidic solution (0.1 M HClO4) have been measured and found to be −7.5 ± 1 and −8.6 ± 1 ml/mole, respectively. These values are more consistent with an SN1 than an SN2 pathway for the aquation of both of these complexes.


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