Answer Happy

Compare and contrast (using appropriate diagrams) the transition
metal chemistry of vanadium with chromium and iron with reference
to (i) common oxidation states, (ii) reactivity and (iii) types of
compound that are commonly encountered and (iv) their
oxo-species.
Compare and contrast (using appropriate diagrams) the transition
metal chemistry of scandium with manganese and zinc with reference
to (i) common oxidation states, (ii) reactivity and (iii) types of
compound that are commonly encountered.