Chemistry 0620 · IGCSE · Redox

Redox — practice question

Which of the following changes are oxidation? 1. $2\text{I}^- \rightarrow \text{I}_2 + 2\text{e}^-$ 2. $\text{Cr(VI)} \rightarrow \text{Cr(III)}$ 3. $\text{Fe(II)} \rightarrow \text{Fe(III)}$

  • A1 and 2
  • B1 and 3
  • C1 only
  • D2 only

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