Edexcel IGCSE Chemistry · Spec 1.58C-1.60C
Electrolysis Experiments and Half-Equations (Paper 2)
Covers recall the products for four named electrolytes, Write balanced electrode half-equations and Describe a safe, reproducible aqueous electrolysis practical.
Chemistry revision video
Electrolysis Experiments and Half-Equations (Paper 2)
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Spec 1.58C-1.60C
What you need to know
- Recall the products for four named electrolytes
- Write balanced electrode half-equations
- Describe a safe, reproducible aqueous electrolysis practical
Active recall
Quick check
Answer each question before opening the answer.
What forms at the cathode in copper sulfate solution?
Copper, with inert electrodes
Write the hydrogen cathode half-equation
2H+ + 2e- -> H2
Why are chlorine experiments ventilated?
Chlorine is toxic and must not be inhaled
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