CAIE IGCSE Chemistry 8.3 Group VII properties Question Bank
Practise halogen trends, appearances and displacement decisions by using Group VII data, r.t.p. observations and reactivity order.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- compare halogen colour, state, density and reactivity trends down Group VII
- use the reactivity order to decide which halogen displaces a halide ion
- write displacement equations and colour changes for chlorine, bromine and iodine reactions
Covered syllabus points
8.3 Group VII properties question 1
The symbols of the elements of Period 3 of the Periodic Table are shown.
Answer the following questions about these elements.
Each element may be used once, more than once or not at all.
Write the symbol of an element which:
exists as diatomic molecules
8.3 Group VII properties question 2
Fluorine, chlorine and bromine are in Group VII of the Periodic Table.
Question (a)
(a)
State the name given to Group VII elements.
[ 1 ]
Question (b)
(b)
Complete Table 2.1 to show the colour and state at r.t.p. of some Group VII elements.
Table 2.1
[ 3 ]
Question (c)
(c)
Chlorine displaces bromine from aqueous potassium bromide but does not displace fluorine from aqueous sodium fluoride.
[ 3 ]
Question (i)
(i)
Write the symbol equation for the reaction between chlorine and aqueous potassium bromide.
[ 2 ]
Question (ii)
(ii)
State why chlorine does not displace fluorine from aqueous sodium fluoride.
[ 1 ]
8.3 Group VII properties question 3
Fluorine is a Group VII element. Fluorine forms compounds with metals and non-metals.
Question (a)
(a)
Predict the physical state of fluorine at room temperature and pressure.
[ 1 ]
Question (b)
(b)
Explain why chlorine does not react with aqueous sodium fluoride.
[ 1 ]
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