Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

Electrolysis of molten sodium sulfide, $\text{Na}_2\text{S}$, is done with inert electrodes. Which row shows the product formed at each electrode?

  • Acathode: sodium; anode: sulfur
  • Bcathode: sulfur; anode: sodium
  • Ccathode: hydrogen; anode: sulfur
  • Dcathode: sodium; anode: hydrogen

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