Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

Which row identifies the product at each electrode when dilute sulfuric acid is electrolysed with inert electrodes?

  • Aproduct at anode: $10\text{ cm}^3$ of a colourless gas; product at cathode: $10\text{ cm}^3$ of a brown gas
  • Bproduct at anode: $10\text{ cm}^3$ of a colourless gas; product at cathode: $20\text{ cm}^3$ of a colourless gas
  • Cproduct at anode: $20\text{ cm}^3$ of a colourless gas; product at cathode: $10\text{ cm}^3$ of a colourless gas
  • Dproduct at anode: $20\text{ cm}^3$ of a brown gas; product at cathode: $10\text{ cm}^3$ of a colourless gas

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