why the acidic medium is used for determination of the amount if iorn in a sample of soil using standard KMnO4
Chemistry - DrBob222, 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.