Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

What can be seen at each electrode when molten lead(II) bromide is electrolysed with platinum electrodes?

  • Anegative electrode: bubbles of a colourless gas; positive electrode: bubbles of a brown gas
  • Bnegative electrode: bubbles of a colourless gas; positive electrode: bubbles of a colourless gas
  • Cnegative electrode: shiny grey liquid; positive electrode: bubbles of a brown gas
  • Dnegative electrode: shiny grey liquid; positive electrode: bubbles of a colourless gas

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