Edexcel International GCSE Chemistry
Edexcel International GCSE Chemistry Electrolysis Exam Questions
Free Edexcel International GCSE Chemistry exam questions on Electrolysis, with mark schemes. Covers electrolysis of molten and aqueous compounds, electrode products and half-equations.
Electrolysis exam questions
These packs of real past exam questions cover the whole of Section 1: Principles of Chemistry, including Electrolysis. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel IGCSE Chemistry 4CH1 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel International GCSE Chemistry Electrolysis
This sub-topic covers electrolysis.
What you need to know
- Process Ions move to electrodes in a molten or dissolved electrolyte.
- Products Rules for aqueous solutions.
- Half-equations Oxidation at the anode, reduction at the cathode.
Common mistakes in Electrolysis
- Mixing anode and cathode.
- Unbalanced half-equations.
Try two Electrolysis exam-style questions
1. Name the product at the cathode for aqueous NaCl. (1 mark)
Show the mark scheme answer
Hydrogen.
2. Write the half-equation at the anode for molten PbBr₂. (1 mark)
Show the mark scheme answer
2Br⁻ → Br₂ + 2e⁻.
Electrolysis FAQs
What does Electrolysis cover?
Electrolysis of molten and aqueous compounds.
Which practical links here?
Electrolysis of aqueous solutions.
Revise this topic with flashcards: Edexcel IGCSE Chemistry 4CH1 Flashcards, with mark scheme answers for Anki and Quizlet.
