D-And F-Block Elements Ques 375

Question: Which one of the following characteristics of the transition metals is associated with their catalytic activity

[CBSE PMT 2003]

Options:

A) Variable oxidation states

B) High enthalpy of atomization

C) Paramagnetic behaviour

D) Colour of hydrated ions

Show Answer

Answer:

Correct Answer: A

Solution:

Variable oxidation states give free valencies.



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