The correct answer is (d) displacement reaction. In this reaction, aluminum (Al) displaces iron (Fe) from iron(III) oxide (Fe₂O₃) to form aluminum oxide (Al₂O₃) and iron (Fe).
Explanation:
Displacement Reactions:
In displacement reactions, a more reactive element displaces a less reactive element from a compound. In this case, aluminum is more reactive than iron, so it displaces the iron from its oxide.
Other options:
(a) Combination reaction: In a combination reaction, two or more reactants combine to form a single product. This reaction involves a displacement, not a combination.
(b) Double displacement reaction: This type of reaction involves an exchange of ions between two reactants. This reaction is not an exchange of ions but a displacement of one element by another.
(c) Decomposition reaction: In a decomposition reaction, a single compound breaks down into two or more simpler substances. This reaction is a displacement, not a decomposition.