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Posted by on Monday, April 4, 2011 at 4:11am.

why the acidic medium is used for determination of the amount if iorn in a sample of soil using standard KMnO4

  • Chemistry - , Monday, April 4, 2011 at 12:39pm

    MnO4^- is reduced to Mn^+2(aq) in acid medium.
    MnO4^- is reduced to MnO42(s) in basic medium.
    We want the first, not the second reduction.

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