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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2007

  • question_answer
        Cerium\[(Z=58)\]is an important member of the lanthanides. 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 the +4 oxidation state

    C)  The +4 oxidation state of cerium is not known in solutions

    D)  Cerium (IV) acts as an oxidising agent

    Correct Answer: C

    Solution :

                    +3 and +4 states are shown by Ce in aqueous solution. Thus statement  is incorrect.


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