Kinetics of the manganese(III)-oxalate reaction in acidic sulphate media |
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| Authors: | L'ubica Adamčíková Adriana Krížová Ivan Valent |
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| Affiliation: | 1. Department of Physical Chemistry, Faculty of Science, Comenius University, 842 15, Bratislava, Czechoslovakia
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| Abstract: | The kinetics of the reaction of manganese(III) with oxalic acid (OA) has been studied in H2SO4 solutions. Under the experimental conditions of 6 × 10–3 <>0 < 0.4=" mol=">–3 and [H2SO4]0  0.2 mol dm–3 the observed pseudo-first order rate constant kobs follows the expression
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![$$k_{obs} = k_1 + k_2 K_2 left[ {C_2 O_4^{2 - } } right]/left{ {1 + K_2 left[ {C_2 O_4^{2 - } } right]} right}$$](/content/MR72851P557U2166/11243_2004_Article_BF00139959_TeX2GIFE1.gif)