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NEET Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Self Evaluation Test - The d-and f-Block Elements

  • question_answer
    Which one of the following elements shows maximum number of different oxidation states in its compounds? 

    A) Eu                   

    B) La   

    C) Gd                               

    D) Am

    Correct Answer: D

    Solution :

    [d] We know that lanthanides La, Gd shows +3, oxidation state, while Eu shows! oxidation state of+2 and + 3. Am shows +3, +4, +5 and +6 oxidation states. Therefore Americium (Am) has maximum number of oxidation states.


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