In the reaction 2Fe^3+ + 2I^- → 2Fe^2+ + I2, which species is the reducing agent

Practice Questions

Q1
In the reaction 2Fe^3+ + 2I^- → 2Fe^2+ + I2, which species is the reducing agent?
  1. Fe^3+
  2. I^-
  3. Fe^2+
  4. I2

Questions & Step-by-Step Solutions

In the reaction 2Fe^3+ + 2I^- → 2Fe^2+ + I2, which species is the reducing agent?
  • Step 1: Identify the reactants in the reaction: 2Fe^3+ and 2I^-.
  • Step 2: Understand what a reducing agent does: it donates electrons to another species.
  • Step 3: Look at the oxidation states: Fe^3+ is reduced to Fe^2+, meaning it gains electrons.
  • Step 4: Notice that I^- is changing to I2, which means it is losing electrons.
  • Step 5: Since I^- donates electrons to Fe^3+, it is the one that reduces Fe^3+.
  • Step 6: Conclude that I^- is the reducing agent because it donates electrons.
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