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JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank General Characteristics

  • question_answer
    Which one of the following characteristics of the transition metals is associated with their catalytic activity [CBSE PMT 2003]

    A) Variable oxidation states

    B) High enthalpy of atomization

    C) Paramagnetic behaviour

    D) Colour of hydrated ions

    Correct Answer: A

    Solution :

      Variable oxidation states give free valencies.


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