Redox and redox equilibria

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How do I write a balanced redox reaction between NH₃OH⁺ ions and Fe³⁺ ions?
060608

Corrie writes ....
 
Let's write the two half-equations first:
 
1. Reduction: Fe³⁺ + e^- -> Fe²⁺
 
2. Oxidation: 2NH₃OH⁺ -> N₂O + H₂O + 6H⁺ + 4e^-
 
Before adding the two half-equations together, the electrons lost and gained must balance. Therefore the first half-equation needs to be multiplied by 4. Then add the two half-equations together and the electrons should cancel out, leaving you with the balanced equation.

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updated: 08 June 2008