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Question on: JAMB Chemistry - 1994

MnO4(aq) + 8H + 5Fe2+ \(\to\) Mn2+(aq) + 5Fe3+(aq) + H2O. The oxidation number of maganese 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: B

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