Which of the 3d-seres of the transition metals exhibits the largest number of oxidation states ?

Which of the 3d-seres of the transition metals exhibits the leagest number of oxidation states ?

Which of the 3d series of the transition metals exhibits the largest number of oxidation states and why?

(a) Define transition elements. Give the general electronic configuration of the transition elements. (b) (i) Name a transition element which does not exhibit variable oxidation state. (ii) Which of the 3d series of transition metals exhibit the largest number of oxidation states? (iii) Give reason why HCl is not used to acidify KMnO_4 solution in volumetric determination of Fe^(2+)

Transition metal usually exhibit highest oxidation states in their