Which one of the following characteristics of the transition metals is associated with their catalytic activity?
A.
Colour of hydrated ions
B.
Variable oxidation states
C.
High enthalpy of atomisation
D.
Paramagnetic behaviour
Answer :
Variable oxidation states
Solution :
The catalytic activity of transitional metals is due to their variable oxidation states.
Releted MCQ Question on Inorganic Chemistry >> D and F Block Elements
Releted Question 1
When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is