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Issue 15, 1973
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Reactions of liquid sodium with transition-metal oxides. Part VI. Oxides of vanadium

Abstract

Vanadium pentoxide is reduced by liquid sodium to the oxide V2O3 and sodium oxide at low temperatures (150 °C). On increasing the temperature (up to 600 °C) the ternary oxides Na4VO4 and NaVO2 are produced. Vanadium dioxide reacts at 150 °C to form the oxide NaVO2 which is stable to liquid sodium up to 600 °C. Vanadium(III) oxide, V2O3, reacts with liquid sodium to give a mixture of the ternary oxide, NaVO2, and the monoxide, VO; the latter oxide is stable to pure liquid sodium up to 600 °C but may be oxidised by solutions of oxygen in liquid sodium to NaVO2 which may be further oxidised by oxygen in sodium to Na4VO4.

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Article information


J. Chem. Soc., Dalton Trans., 1973, 1520-1522
Article type
Paper

Reactions of liquid sodium with transition-metal oxides. Part VI. Oxides of vanadium

M. G. Barker and A. J. Hooper, J. Chem. Soc., Dalton Trans., 1973, 1520
DOI: 10.1039/DT9730001520

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