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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 28

  • 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 :

    [c] : + 3 and + 4 states are shown by Ce in aqueous solution.


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