Influence of disproportionation reaction on kinetics of dissolution of copper (2) oxides and YBa2Cu3O7-x in acidic media

On the basis of thermodynamic and kinetic analysis of the process of CuO and YBa2Cu3O7-x dissolution in hydrochloric acid it is found that oxide phase of CuO can disproportionate according to reaction 2CuOsolid ↔[CuO+solid] + [CuO-solid]. In the recent investigating of the nature of YBa2Cu3O7 superconductivity it is shown that the presence of CuO-solid and CuO+solid ions, emerging at the expense of CuO phase diproportionation in high-Tc superconductors, play essential role in electron (hole) transfer. Special role of the ions (peroxitons) in forming volumetric chains of transfer of two charges (Couper's couple) is pointed out, which permits explaining the nature of superconductivity in high-T-C superconductors