Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

Brine is a concentrated aqueous solution of sodium chloride. Brine is electrolysed in a diaphragm cell. What is the purpose of the diaphragm?

  • Ato prevent $\text{Cl}_2$ reacting with $\text{H}_2$
  • Bto prevent $\text{HCl}$ reacting with $\text{Na}$
  • Cto prevent $\text{NaOH}$ reacting with $\text{Cl}_2$
  • Dto prevent $\text{NaOH}$ reacting with $\text{HCl}$

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