Name the metal of the `1^(st)` row transition series that
Exhibits maximum number of oxidation states.

Name the metal of the 1^(st) row transition series that (i) has maximum number of unpaired electrons in its ground state. (ii) has zero spin only magnetic moment in its + 2 oxidation state. (iii) exhibits maximum number of oxidation states.

Name the metal of the 1^(st) row transition series that has maximum no. of unpaired electrons in its ground state.

With reference to the first row transition series: i) Name the metal which possesses maximum number of oxidation states. ii) Among Zn^(+2) and Cu^(+2) which is colourless? iii) Between Ti^(2+) and V^(2+) which ion contains more number of unpaired electrons?

(i) Name the element of 3d-transition series which shows maximum number of oxidation states. Why does it show so? (ii) Which transition metal of 3d-series has positive E^0(M^(2+)//M) value and why? (iii) Out of Cr^(3+) and Mn^(3+) which is a stronger oxidizing agent and hy? (iv) Name a member of the lanthanoid series which is well known to exhibit + 2 oxidation state. (v) Complete the following equaton: MnO_(4)^(-) + 8H^(+) + 5e^(-) to

With reference to the first row transition metals. Name a metal which shows maximum number of oxidation states.

Name the metal of the 1^(st) row transition series that has zero spin only magnetic moment in its +2 oxidation state.

Which element of 3d series exhibits maximum oxidation state?

3d-series elements exhibit vaiable oxidation states. Why ?