In which species is the named transition metal in its highest possible oxidation state?
manganese in MnO2\text{MnO}_2MnO2
vanadium in [VO2]+[\text{VO}_2]^+[VO2]+
chromium in Cr2O3\text{Cr}_2\text{O}_3Cr2O3
copper in Cu2O\text{Cu}_2\text{O}Cu2O
63 exam-style questions on AQA A Level Chemistry Transition metals (A-level only), covering General properties of transition metals (A-level only), Substitution reactions (A-level only), Shapes of complex ions (A-level only), Formation of coloured ions (A-level only), Variable oxidation states (A-level only), and Catalysts (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.