Question

Cerium `(Z= 58)` is an important nember of the lanthanoids . Which of the following statements about cerium is incorrect ?
A. Cerium (IV) acts as an oxidising agent
B. The +3 oxidation state of Cerium is more known than the +4 oxidation state
C. The +4 oxidation state of Cerium is not known in solutions
D. The common oxidation states of Cerium are +3 and +4

Answer 1

Correct Answer - C
`Ce^(4+)` is a good oxidising agent.