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Topic plan · IGCSE Chemistry 0620 · Topic 4

Electrochemistry

Using electricity to drive reactions that will not happen on their own. Electrolysis of melts and solutions, electroplating, and the hydrogen fuel cell.

Open the topic lab Question bank Notes PDF
Unit at a glance

4 lessons, 180 minutes of teaching

Lessons
4, each planned for 45 minutes
Worksheets
4 with answer keys
Quiz questions
36 multiple-choice, assignable in the app
Lab
Electrochemistry lab
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
4.1Electrolysis of molten compounds
Pass a current through a molten ionic compound and it breaks down into its elements: the metal at one electrode, the non-metal at the other.		Jot Thoughts6 Q, 15 marks9 MCQtab 5
4.1Electrolysis of aqueous solutions
Dissolve an ionic compound in water and the solution contains extra ions from the water: hydrogen ions and hydroxide ions.		Connect-Extend-Challenge6 Q, 17 marks9 MCQtab 5
4.1Electroplating and refining copper
Swap the inert anode for a lump of metal and electrolysis stops making gases.		Anticipation / Reaction Guide6 Q, 17 marks9 MCQtab 2
4.2Hydrogen-oxygen fuel cells
Electrolysis uses electricity to split water.		Cooperative Concept Mapping6 Q, 14 marks9 MCQnone

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

Also for this topic

Topic resources

Topic labElectrochemistry lab Question bank36 questions across the topic Revision notesOne page per lesson Notes PDFPrintable topic notes Student syllabus pageElectrochemistry Practical trainerTitration trainer Practical trainerQualitative analysis Practical trainerRates and energetics Practical trainerPaper 5 workout: temperature change of a reaction Practical trainerPaper 5 workout: titration with two acids Practical trainerPaper 5 workout: rate of reaction by gas collection