Chemistry - Complete d-block Question with Solution | TestHub

In the highest oxidation states, the transition metals show basic character and form cationic complexes.

In the highest oxidation states of the first five transition element [Sc to Mn], all the 4s and 3d electrons are used for bonding.

Once the${\mathrm{d}}^5$configuration is exceeded, the tendency to involve all the 3d electrons in bonding decreases.

In addition to the normal oxidation states, the zero-oxidation state is also shown by these elements in complex.