Cerium $$\left( {Z = 58} \right)$$ is an important member of the lanthanoids. Which of the following statements about cerium is incorrect?
A.
The common oxidation states of cerium are +3 and +4.
B.
The +3 oxidation state of cerium is more stable than +4 oxidation state.
C.
The +4 oxidation state of cerium is not known in solutions.
D.
Cerium (IV) acts as an oxidising agent.
Answer :
The +4 oxidation state of cerium is not known in solutions.
Solution :
+4 oxidation state of cerium is also known in solutions.
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