Copper electrodes in copper sulfate
Copper electrodes in copper sulfate
When copper electrodes are placed in copper sulfate solution and a current flows, copper is transferred from the anode to the cathode. The copper anode is connected to the positive terminal and the cathode is connected to the negative terminal.
Step-by-step lessons on Edexcel GCSE Chemistry 4.2.4 Electrolysis of copper sulfate and purifying copper. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.