Journal of Physical Chemistry p. 2443 - 2449 (1982)
Update date:2022-07-30
Topics:
Field, R. J.
Raghavan, N. V.
Brummer, J. G.
The single-electron reductions of BrO2. by Fe(CN)64-, phenoxide ion, Mn(II), and phenol have been investigated.The BrO2. was produced by pulse radiolysis of aqueous solutions of BrO3- which also contained one of these reductants.All experiments were carried out at pH 6-12.The reductions by Fe(CN)64- and phenoxide ion were rapid and clean and led to the products Fe(CN)63- and phenoxy radical.The rate constants for these reductions were found to be, respectively, (1.9+/-0.1)E9 and (2.6+/-0.2)E9 M-1 s-1.The reductions of BrO2. by Mn(II) and phenol were found to be much slower as well as more complex than the reductions by Fe(CN)64- and phenoxide ion.The products were, as expected, Mn(III) and phenoxy radical.However, there was a component of BrO2. reduction by Mn(II) whose rate did not depend upon
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