Assign reasons for each of the following
(i) Trasitiono elements exhibit variable oxidation sates.
(ii) Transition metal ions are usually coloured.

(a) Describe the general trends in the following properties of the first series of the transition elements: (i) Stability of +2 oxidation state (ii) Formation of oxometal ions (b) Assign reason for each of the following: (i) Transition elements exhibit variable oxidation states. (ii)Transition metal ions are usually coloured

Assign reason for each of the following : Transition elements exhibit paramagnetic behaviour .

Which transition element does not exhibit variable oxidation state?

Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are

The electron which take part in order to exhibit variable oxidation states by transition metals are

Give reasons for the following: (i) Transition metals exhibit a wide range of oxidation states. (ii) Cobalt (II) is very stable in aqueous solutions but gets easily oxidised in the presence of strong ligands. (iii) Actinoids exhibit a greater range of oxidation states than lanthanoids.

Assign reasons for the following : (i) Transition metals and many fo their compounds act as good catalyst. (ii) Transition metals generally from coloured compounds.

The electrons which take part in order to exhibit variable oxidation states by transition metals are:

How would you account for the following? (l) Transition metals exhibit variable oxidation states. (ii) Zr (Z = 40) and Hf (Z = 72) have almost identical radii.

How would you account for the following? (i) Transition metals exhibits variable oxidation state. (ii) Zr(Z=40) and Hf(Z=72) have almost identical radii. (iii) Transition metals and their compounds act as catalyst. OR Complete the following chemical equation: (i) Cr_(2)O_(7)^(2-)+6Fe^(2+)+14H^(+)rarr (ii) CrO_(4)^(2-)+2H^(+)rarr (iii) 2MnO_(4)^(2-)+5C_(2)O_(4)^(2-)+16H^(+)rarr