D-And F-Block Elements Ques 399
Question: Cerium $ (Z=58) $ is an important member of the lanthanoids. Which of the following statements about cerium is incorrect
[AIEEE 2004]
Options:
A) The +4 oxidation state of cerium is not known in solutions
B) The +3 oxidation state of cerium is more stable than the +4 oxidation state
C) The common oxidation states of cerium are +3 and +4
D) Cerium (IV) acts as an oxidizing agent
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Answer:
Correct Answer: A
Solution:
- 4 oxidation state of cerium is also known in solution.