If the d-d transition of a compound requires orange radiation, then the colour of the compound would be

In the first transition series, the elements which do not exhibit variable oxidation state is /are

Which of the following is not a characteristic property of transition elements?

The ability of transition elements to form coordination compounds is attributed to

The complex that violates the Sidwicks’s rule of EAN is

A metal is left exposed to the atmosphere for some time. It becomes coated with green basic carbonate. The metal must be

The lanthanide contraction is responsible for the fact that

If a multidentate ligand is cyclic in nature and there are no unfavourbale steric factors, then the stability of complex is greatly enhanced. This factual statement refers to