Fe2O3 + 2Al → Al2O3 + 2Fe. The reaction is an example of a

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Double displacement reaction

Displacement reaction

Combination reaction

Decomposition reaction

answer is D.

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Detailed Solution

Fe2O3 + 2Al → Al2O3 + 2Fe. The reaction is an example of a displacement reaction.
A displacement reaction occurs when an atom or group of atoms in a molecule are replaced by another atom. The general equation for displacement reaction is,
A + B-C → A-C + B
When A is more reactive than B, the aforementioned equation holds true.
A and B must either be:
Halogens with the cation symbol C.
various metals, where C denotes an anion.
Fe2O3 + 2Al → Al2O3 + 2Fe
It is an illustration of a displacement reaction. Because aluminium is more reactive than iron, iron is displaced by aluminium, which causes the oxide of aluminium to form. Compared to Fe, aluminium is a more reactive metal.

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