Abstract
Abstract The thermogravimetry and differential thermal analysis of VClO in an argon stream were carried out. The products obtained by heating VClO in an argon stream at various temperatures were examined by chemical analysis and X-ray analysis. Also, the reaction between VClO and oxygen was examined in the same manner. When VClO is heated in an argon stream, it decomposes above about 400 °C to form V2O3 and VCl3, 3VClO(s)→V2O3(s)+VCl3(s). Subsequently, the resulting VCl3 disproportionates to form VCl2 and VCl4, 2VCl3(s)→VCl2(s)+VCl4(g). VClO reacts with oxygen above about 120 °C to form V2O5 and VCl3O, 6VClO(s)+3O2(g)→2V2O5(s)+2VCl3O(g); this reaction is accompanied by the 4VClO(s)+3O2(g)→2V2O5(s)+2Cl2(g) reaction.
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