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    http://www.youtube.com/watch?v=LFNgr3BI9zk

    So KI(aq) added to solution containing Fe3+(aq).

    I understand that I- will be oxidised to I2, so that ORANGE SOLUTION forms.

    But then when he shakes it, why does a (dark brown precipitate?) form????

    What's happening to make that (dark brown precipitate)???
 
 
 
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