Which of the following oxidation state is common for all lanthanoids?
A.
+ 2
B.
+ 3
C.
+ 4
D.
+ 5
Answer :
+ 3
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