CAIE IGCSE Chemistry 4.1.1 Electrolysis As the Decomposition of Questions
Explain electrolysis as electrical decomposition of molten or aqueous ionic compounds.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- define electrolysis as decomposition using electricity
- identify electrolytes and ionic compounds suitable for electrolysis
- recognise conversion of electrical energy to chemical change
- distinguish electrolyte particles and conduction mechanisms
- identify products or applications of electrolysis
CAIE IGCSE Chemistry 4.1.1 Electrolysis As the Decomposition of Questions question 1
[Maximum number: 2]
This question is about the elements sodium and fluorine and the compound sodium fluoride.
Dilute aqueous sodium fluoride undergoes electrolysis.
Hydrogen is produced at the cathode.
State what is meant by the term electrolysis.
M1 breakdown by (the passage of) electricity(1)
M2 of an ionic compound in molten or aqueous (state) (1)
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