Assigns reasons for the following:
(i) Transition metals exhibit enthalpy of atomisation.
(ii) Transition metals form interstitial compounds.

Explain why:
(i) Transition elements are metals?
(ii) Lanthanides are uniformly trivalent?

Write the preparation of :
(i) Potassium dichromate from chromite.
(ii) KMnO₄ from pyrolusite.

What is lanthanide contraction? How does it occur? What are its consequences?

How do you explain the paramagnetism and colour exhibited by compounds of transition metals?

Write the electronic configuration of ₂₅Mn²⁺.

Vanadium ion has a magnetic moment of 1.73 BM. What is the symbol of the ion? (Atomic number of V = 23)

What is the highest oxidation state shown by transition metals?

Why are the compounds of transition elements usually coloured, both in the solid state and in aqueous solution?

Why do transition elements form complexes?