Classification Of Elements And Periodicity In Properties Ques 127
Question: The $ d $ -block elements consists mostly of [MP PMT 1994]
Options:
A) Monovalent metals
B) All non-metals
C) Elements which generally form stoichiometric metal oxide
D) Many metals with catalytic properties
Show Answer
Answer:
Correct Answer: D
Solution:
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.
