CAIE IGCSE Chemistry 9.4.4 Relative Reactivities of Metals in Questions
Work through real CAIE IGCSE Chemistry questions to predict displacement outcomes and explain voltage and electron-flow observations.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- predict metal displacement from aqueous salt solutions using the reactivity series
- write ionic equations and identify observations for displacement reactions
- relate electron flow, voltage and electrode choice to metal reactivity
- apply thermite and oxide-reduction reactions to compare metal tendencies to form ions
CAIE IGCSE Chemistry 9.4.4 Relative Reactivities of Metals in Questions question 1
An iron nail is added to aqueous copper(II) sulfate and a different iron nail is added to aqueous magnesium sulfate.
The results are shown.
Which statement is correct?
A
Copper atoms are oxidised more easily than magnesium atoms.
B
Copper atoms are reduced more easily than iron ions.
C
Iron atoms are oxidised more easily than copper atoms.
D
Iron atoms are reduced more easily than copper ions.
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