Question on: JAMB Chemistry - 1994

MnO4(aq) + 8H + (aq) + 5Fe2+ → Mn2+(aq) + 4H2O(I). The oxidation number of manganese in the above reaction changed from?

A
+7 to +2
B
+6 to +2
C
+5 to +2
D
+4 to +2
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Correct Option: A

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