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Reactivity series

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Question 3

The reaction between aluminium powder and iron(III) oxide is highly exothermic and is represented by the following chemical equation:

2Al+Fe2O3→Al2O3+2Fe 2\text{Al} + \text{Fe}_2\text{O}_3 \rightarrow \text{Al}_2\text{O}_3 + 2\text{Fe} 2Al+Fe2​O3​→Al2​O3​+2Fe
a.

What does this reaction show about the reactivity of iron compared to the reactivity of aluminium?

[1]
b.

Why is this reaction described as a displacement reaction?

[1]
c.

State two reasons why the term oxidation applies to aluminium in this reaction.

[2]
d.

Although this reaction is highly exothermic, it only begins after initial heat energy is supplied. State how this heat energy is typically supplied in a laboratory demonstration.

[1]

Reactivity series Questions

  1. IGCSE
  2. /Chemistry
  3. /Reactivity series