BRAINCAKEExam Style Question - 5
Question: For the reaction 2Fe3+(aq) + 2I-(aq) → 2Fe2+(aq) + I2(aq), identify the species oxidised, the species reduced, the oxidising agent and the reducing agent.
Iron changes from +3 in Fe3+ to +2 in Fe2+. Its oxidation state decreases, so Fe3+ is reduced. The half-equation is Fe3+ + e- → Fe2+.
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Key terms in this lesson
- Periodicity
- The repeating trend in the properties of elements across each period of the periodic table.
More in Oxidation and Reduction
- Superoxide
- Redox Equations
- Redox Reactions in Aqueous Solutions
- Thermite Reaction
- Half Equations from Ionic Equations
- Exam Style Question - 1
- Exam Style Question - 2
- Exam Style Question - 3
All 15 lessons in Oxidation and Reduction · All AQA AS-level Chemistry topics