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Rearrangement of the Binuclear K4Mo2Cl8 Cluster Structure in the Process of Its Oxidation in HCl Solution

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Abstract

Batch-type spectroscopic and continuous potentiometric titration of K4Mo2Cl8 with potassium dichromate in 1 M hydrochloric acid was carried out. Intermediate forms of molybdenum compounds in the oxidation process were determined. It was shown that the oxidation is accompanied by a rearrangement of the complex structure with the formation of trinuclear oxo- and hydroxohalide anions of molybdenum into trinuclear oxo- and hydroxohalide molybdenum anions. The standard reduction potential of the pair \(\rm{E}^o_{298}(Mo^{VI}/Mo^{IV}_3=1.003+0.032\;V\) was determined.

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Authors and Affiliations

  1. St. Petersburg State University, Universitskii pr. 26, St. Petersburg, 198504, Russia

    M. A. Krapivin, N. S. Ivanov, Yu. V. Kondratiev, O. N. Pestova & V. D. Khripun

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  1. M. A. Krapivin
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  2. N. S. Ivanov
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  3. Yu. V. Kondratiev
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  4. O. N. Pestova
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  5. V. D. Khripun
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Correspondence to V. D. Khripun.

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Krapivin, M.A., Ivanov, N.S., Kondratiev, Y.V. et al. Rearrangement of the Binuclear K4Mo2Cl8 Cluster Structure in the Process of Its Oxidation in HCl Solution. Russ J Gen Chem 89, 856–858 (2019). https://doi.org/10.1134/S1070363219040364

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  • DOI: https://doi.org/10.1134/S1070363219040364

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