WebJul 20, 2024 · Since chloride ions are removed and hydroxide ions produced by the electrolysis, the electrolyte gradually changes from a solution of sodium chloride to a solution of sodium hydroxide. 2 H 2 O + 2 e − H 2 + 2 OH − Chlorine is produced at the anode: 2Cl − → Cl 2 + 2 e − Thus the overall reaction is WebApr 12, 2024 · Make Hydrogen Gas – Method 2. While electrolysis is a good method to get hydrogen, there are two improvements that greatly improve yield. The first is to use pencil “lead” (pure graphite) as electrodes. The second tip is to add a pinch of salt to the water to serve as an electrolyte.
Chlorine - Production and use Britannica
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Hydrogen Production: Electrolysis Department of Energy
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