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J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    The 3d-block element that exhibits maximum number of oxidation states is

    A)  Sc           

    B)  Ti

    C)  Mn          

    D)  Zn

    Correct Answer: C

    Solution :

     Mn exhibits the maximum number of oxidation states. \[Mn(Z=25):[Ar]\,3{{d}^{5}},4{{s}^{2}}\] It can show \[+\,2,+\,3,+\,4,+\,5,+\,6\] and \[+\,7\]oxidation states.


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