JEE Main & Advanced Sample Paper JEE Main Sample Paper-25

  • question_answer
    In which of the following compound manganese shows maximum radius?

    A)  \[Mn{{O}_{2}}\]          

    B)  \[KMn{{O}_{2}}\]

    C)  MnO                           

    D)  \[M{{n}_{2}}{{O}_{7}}\]  

    Correct Answer: C

    Solution :

    Mn is in +2 oxidation state in MnO while in other compounds it is in higher oxidation state, number of electrons per proton decreases the size decreases.


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