Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

The diagram illustrates the electrolysis of molten zinc chloride, $\text{ZnCl}_2$. Which statement is correct?

  • AOxidation occurs at electrode X and the equation is $2\text{Cl}^- \rightarrow \text{Cl}_2 + 2e^-$.
  • BOxidation occurs at electrode Y and the equation is $\text{Zn}^{2+} + 2e^- \rightarrow \text{Zn}$.
  • CReduction occurs at electrode X and the equation is $\text{Zn}^{2+} + 2e^- \rightarrow \text{Zn}$.
  • DReduction occurs at electrode Y and the equation is $2\text{Cl}^- \rightarrow \text{Cl}_2 + 2e^-$.

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