Dimerization of electrogenerated Mo(V) in sulphuric acid solutions |
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| Affiliation: | 1. School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, GA 30332-0400, United States;2. Department of Chemistry, New Mexico Highlands University, Las Vegas, NM 87701, United States;3. Department of Chemistry and Center for Applied Energy Research (CAER), University of Kentucky, Lexington, KY 40506, United States;1. Department of Chemistry, Maharshi Dayanand University, Rohtak 124001, India;2. Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal 131 039, India;3. Department of Chemical Engineering, Deenbandhu Chhotu Ram University of Science and Technology, Murthal 131 039, India;4. Government College, Nagina, Nuh, Haryana 122108, India;5. Govt. SLP (PG) College, Morar, Gwalior, MP 474006, India;6. Department of Chemistry, University of Delhi, Delhi 110007, India |
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| Abstract: | The electrochemical behaviour of molybdenum(VI) in sulphuric acid solutions was investigated by cyclic voltammetry. In the reduction of Mo(VI) to Mo(III) a dimerization reaction of Mo(V) is involved; the rate constant for the reaction was estimated to be 2.79×102 M−1 s−1 and the activation energy was ca. 35 kJ mol−1 in 0.1 M H2O4. Oxidation of the monomer and dimer Mo(V) species take place at −0.31 and +0.18 V (vs. SCE), respectively. |
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