CAIE IGCSE Chemistry Halogen and Halide Displacement
Practise predicting whether one halogen displaces a halide, writing balanced molecular or ionic equations and identifying the observed colour change.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- predict displacement only when the added halogen is more reactive than the halide's element
- write and balance the molecular or ionic equation with correct diatomic halogen formulae
- use orange-brown bromine or brown iodine formation to explain the final solution colour
8.3.3—Displacement reactions of halogens question 1
[Maximum number: 1]
Fluorine is a Group VII element. Fluorine forms compounds with metals and non-metals.
Explain why chlorine does not react with aqueous sodium fluoride.
chlorine less reactive than fluorine ORA
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