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    Hi, I was just wondering whether anyone could explain this to me please:

    You know (or are told) that the manganate(VII) ions turn into manganese(II) ions. Write that down.
    MnO4^- ---> Mn^2+
    I really don't understand how you know it loses the four oxygens and now has a 2+ charge, any help would be much appreciated
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    (Original post by so it goes)
    Hi, I was just wondering whether anyone could explain this to me please:



    I really don't understand how you know it loses the four oxygens and now has a 2+ charge, any help would be much appreciated
    This is just something that you have to learn (or be told). Oxidising (and reducing) agents tend to form specific species when they react.

    You can't predict which will be formed without much more complex information (Latimer-Frost diagrams).

    Common oxidising agents such as manganate(VII) in acid need to be learned.
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    Okay, thank you very much
 
 
 
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