oXIDATION matter?

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why can KMnO4 oxidise FeSO4.7H2O but not Fe2(SO4)3.9H2O.
please .it is really imp.

2007-05-21 18:52:14 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

why can KMnO4 oxidise FeSO4.7H2O but not Fe2(SO4)3.9H2O

2007-05-21 19:07:15 · update #1

1 answers

The highest normal oxidation state of Fe is 3+, which is why KMnO4 can't oxidise the second compound. The first one contains Fe2+, which can easily be oxidised.

2007-05-21 19:51:29 · answer #1 · answered by Gervald F 7 · 0⤊ 0⤋