Each year, millions of tonnes of both chlorine and sodium hydroxide are produced by electrolysing brine in a ‘diaphragm cell’. What is the function of the diaphragm in such a cell?
- Ato prevent chlorine gas escaping into the factory
- Bto prevent the build up of pressure in the electrolysis cell
- Cto provide a large surface area of electrode
- Dto stop the products of electrolysis from reacting together