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Title: Kinetics and mechanism of copper(ll) catalyzed autoxidation of aqueous sulphur dioxide in acetate buffers
Authors: Jain, Usha
Sharma, Madhu
Rani, Ashu
Gupta, Krishna S
Issue Date: Dec-1995
Publisher: NISCAIR-CSIR, India
Abstract: Kinetics of copper(II)-catalyzed autoxidation of sulphur(IV), in the form of bisulphite, in acetatebuffered solutions obey the rate law
Robs = k5 [S(IV)] + k6[Cu(ll)][S(lV)]2[H+]-1.
The buffer exerts a slight rate decreasing effect, showing the higher acetato complexes to be less reactive. Substitution of the second sulphite into the coordination sphere of copper(II) appears to be the rate-limiting.
Page(s): 971-975
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.34A(12) [December 1995]

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