Question
Asked Nov 20, 2019
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1. Balance the following redox reactions. Show your work.
Mn2+ (in acidic solution)
I
a. Mn0
I2
b. SO3 Mn04SO2Mn02 (in basic solution)
Fe02 CI (in acidic solution)
C. Fe(OH)3 + OcI -
d. VO3 Fe2+ -> VO2+ + Fe3+ (in acidic solution)
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1. Balance the following redox reactions. Show your work. Mn2+ (in acidic solution) I a. Mn0 I2 b. SO3 Mn04SO2Mn02 (in basic solution) Fe02 CI (in acidic solution) C. Fe(OH)3 + OcI - d. VO3 Fe2+ -> VO2+ + Fe3+ (in acidic solution)

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Expert Answer

Step 1

Since, the question you have posted requires lengthy steps for the solution, so we are providing the answer of the first question, that is 1. (a) only. If you require the answers for the other parts, please post the questions again separately.

Step 2

1.(a) MnO4- + I- → Mn2+ + I2 (in acidic solution)

The balancing of this reaction equation in the acidic medium can be done by the half reaction method. The various steps involved in the balancing of this chemical equation are as follows:

Step1: write the oxidation and reduction half reactions and indicate the oxidation number on each atom.

-1
0
Oxidation I I2
+7
+2
Reduction MnO4 -» Mn2*
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-1 0 Oxidation I I2 +7 +2 Reduction MnO4 -» Mn2*

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Step 3

Step 2: balance the number of atoms if req...

-2
0
Oxidation 2 I -- I2
+2
+7
Reduction MnO4 Mn2
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-2 0 Oxidation 2 I -- I2 +2 +7 Reduction MnO4 Mn2

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Redox Reactions

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