Give the general characteristics of d-block elements.

Explanation

The general characteristics of d-block elements are as below:
i) They are all metals, having high melting and boiling points.
ii) They form coloured ions.
iii) They exhibit variable oxidation states..
iv) Most of transition elements such as Mn, Ni, Fe, Co, Cr, Pt, etc. are used as catalysts.
v) Their compounds are generally paramagnetic in nature.