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Balance the following oxidation-reduction occurring in acidic solution. MnO 4 (

ID: 841377 • Letter: B

Question

Balance the following oxidation-reduction occurring in acidic solution.
MnO4(aq) + Co2+(aq) Mn2+(aq) + Co3+(aq)

MnO4(aq) + 8H+(aq) + 5Co2+(aq) Mn2+(aq) + 4H2O(aq) + 5Co3+(aq)

MnO4(aq) + 8H+(aq) + Co2+(aq) Mn2+(aq) + 4H2O(aq) + Co3+(aq)

MnO4(aq) + 4H2(g) + 5Co2+(aq) Mn2+(aq) + 4H2O(aq) + 5Co3+(aq)

MnO4(aq) + 8H+(aq) + 2Co2+(aq) Mn2+(aq) + 4H2O(aq) + 2Co3+(aq)

MnO4(aq) + Co2+(aq) Mn2+(aq) + 2O2(g) + Co3+(aq)

a)

MnO4(aq) + 8H+(aq) + 5Co2+(aq) Mn2+(aq) + 4H2O(aq) + 5Co3+(aq)

b)

MnO4(aq) + 8H+(aq) + Co2+(aq) Mn2+(aq) + 4H2O(aq) + Co3+(aq)

c)

MnO4(aq) + 4H2(g) + 5Co2+(aq) Mn2+(aq) + 4H2O(aq) + 5Co3+(aq)

d)

MnO4(aq) + 8H+(aq) + 2Co2+(aq) Mn2+(aq) + 4H2O(aq) + 2Co3+(aq)

e)

MnO4(aq) + Co2+(aq) Mn2+(aq) + 2O2(g) + Co3+(aq)

Explanation / Answer

A) MnO4

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