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

Show Answer

Answer:

Correct Answer: A

Solution:

  • 4 oxidation state of cerium is also known in solution.


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