The oxidation of 3,3′-dimethoxy benzidine with potassium bromate in acidic solutions

The oxidation of 3,3′-dimethoxy benzidine with potassium bromate in acidic solutions

The kinetics and mechanism of the oxidation of 3,3′‐dimethoxybenzidine (oda, o‐dianisidine) by potassium bromate in aqueous acidic medium were studied by monitoring the formation rate of the reaction product, 3,3′‐dimethoxy 4,4′‐diphenoquinone at 447 nm. The reaction is, first order with respect to...

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Veröffentlicht in:International journal of chemical kinetics 1991-02, Vol.23 (2), p.113-125
Hauptverfasser: Jonnalagadda, S. B., Munkombwe, N. M., Hensman, P., Mushinga, T.
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Chemistry
Exact sciences and technology
Kinetics and mechanisms
Organic chemistry
Reactivity and mechanisms
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container_end_page 125
container_issue 2
container_start_page 113
container_title International journal of chemical kinetics
container_volume 23
creator Jonnalagadda, S. B.
Munkombwe, N. M.
Hensman, P.
Mushinga, T.
description The kinetics and mechanism of the oxidation of 3,3′‐dimethoxybenzidine (oda, o‐dianisidine) by potassium bromate in aqueous acidic medium were studied by monitoring the formation rate of the reaction product, 3,3′‐dimethoxy 4,4′‐diphenoquinone at 447 nm. The reaction is, first order with respect to both the substrate and oxidant, and second order with respect to H+. The oda: bromate stoichiometric ratio is 1:1. Plausible mechanism and rate laws are proposed accounting the experimental findings. Computer simulations were done using the proposed mechanism.
doi_str_mv 10.1002/kin.550230203
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subjects Chemistry
Exact sciences and technology
Kinetics and mechanisms
Organic chemistry
Reactivity and mechanisms
title The oxidation of 3,3′-dimethoxy benzidine with potassium bromate in acidic solutions
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