JEE Main 2004Annual, Paper 1ChemistryEasyd- and f-Block Elements158× since 2002Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect?AOption A. The common oxidation states of cerium are +3 and +4BOption B. Cerium (IV) acts as an oxidizing agentCOption C. The +4 oxidation state of cerium is not known in solutionsDOption D. The +3 oxidation state of cerium is more stable than the +4 oxidation stateCheckSkip · show solution