Write the reduction half reaction and the oxidation half reactionBalance the following redox equation using the half reaction method. Show each step: Write the reduction half reaction and the...

Write the reduction half reaction and the oxidation half reaction

Balance the following redox equation using the half reaction method. Show each step:

  1. Write the reduction half reaction and the oxidation half reaction.
  2. Balance each half reaction.
  3. Use coefficients to balance the number of electrons.
  4. Write the complete, final redox equation.
MnO4– (aq) + Fe 2+ (aq) → Fe3+ (aq) + Mn2+ (aq) in acidic solution

Asked on by tdj4325

1 Answer

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jeew-m | College Teacher | (Level 1) Educator Emeritus

Posted on

`MnO_4^(-) rarr Mn^(2+)`

`Fe^(2+) rarr Fe^(3+)`

 

`MnO_4^(-)+8H^+ rarr Mn^(2+)+4H_2O`

`Fe^(2+) rarr Fe^(3+)`

 

`MnO_4^(-)+8H^++5e rarr Mn^(2+)+4H_2O`

`Fe^(2+) rarr Fe^(3+)+e`

 

`MnO^(-):Fe^(2+) = 1:5`

 

`MnO_4^(-)+8H^++5Fe^(2+) rarr Mn^(2+)+5Fe^(3+)+4H_2O `

 

 

 

 

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