Which of these changes are reductions? 1. $\text{Cl}_2 + 2e^- \rightarrow 2\text{Cl}^-$ 2. $\text{Mn(VII)} \rightarrow \text{Mn(II)}$ 3. sulfate(IV) $\rightarrow$ sulfate(VI)
- A1 and 2
- B1 and 3
- C1 only
- D2 only
Chemistry 0620 · IGCSE · Redox
Chemistry 0620 · IGCSE · Redox
Which of these changes are reductions? 1. $\text{Cl}_2 + 2e^- \rightarrow 2\text{Cl}^-$ 2. $\text{Mn(VII)} \rightarrow \text{Mn(II)}$ 3. sulfate(IV) $\rightarrow$ sulfate(VI)