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Balance the Following Oxidation-Reduction Reaction Occurring in an Acidic Solution

Question 80

Multiple Choice

Balance the following oxidation-reduction reaction occurring in an acidic solution. MnO4-(aq) + Cr2+(aq) → Mn2+(aq) + Cr3+(aq)


A) MnO4-(aq) + 8 H+(aq) + 5 Cr2+(aq) → Mn2+(aq) + 4 H2O(l) + 5 Cr3+(aq)
B) MnO4-(aq) + 8 H+(aq) + Cr2+(aq) → Mn2+(aq) + 4 H2O(l) + Cr3+(aq)
C) MnO4-(aq) + 4 H2(g) + 5 Cr2+(aq) → Mn2+(aq) + 4 H2O(l) + 5 Cr3+(aq)
D) MnO4-(aq) + 8 H+(aq) + 2 Cr2+(aq) → Mn2+(aq) + 4 H2O(l) + 2 Cr3+(aq)
E) MnO4-(aq) + Cr2+(aq) → Mn2+(aq) + 2 O2(g) + Cr3+(aq)

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