87. What is the oxidation state of vanadium compounds exhibit? Make a formula vanadium oxides corresponding to these degrees of oxidation. How to change the acid-base properties of vanadium oxides in the transition from a lower to a higher degree of oxidation. Write the equations reactions: a) V2O3 with H2SO4; b) V2O5 with NaOH.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)