Reactivity of transition elements decreases almost regularly from $$Sc$$ to $$Cu$$ because of
A.
lanthanoid contraction
B.
regular increase in ionisation enthalpy
C.
regular decrease in ionisation enthalpy
D.
increase in number of oxidation states
Answer :
regular increase in ionisation enthalpy
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