Question

The d-block elements consists mostly of

• A. Monovalent metals
• B. All non-metals
• C. Elements which generally form stoichiometric metal oxide
• D. Many metals with catalytic properties

Answer 1

The correct option is D

Many metals with catalytic properties

Many metals with catalytic properties because

(i) They provide surface area for reaction to occur

(ii) They decreases the ionisation energy.

(iii) They have vacant d-orbitals.