Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

During the industrial electrolysis of brine to produce chlorine, the diaphragm is a porous screen that lets electrolytes pass through while keeping other chemicals apart. Which substance has to be kept separate from the chlorine by the diaphragm?

  • Ahydrogen
  • Bsodium chloride
  • Csodium hydroxide
  • Dwater

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