O-LevelChemistryRates of Reaction5070/11 · Oct/Nov 2022 · Q321 Mark

A reversible reaction involves a solid reacting with hydrogen. Which of the metals, aluminium and iron, would catalyse the reaction and what is their effect on the position of equilibrium?

Aboth aluminium and iron moves to the right

Bboth aluminium and iron no change

Ciron only moves to the right

Diron only no change

✓ Correct answer

D: iron only no change

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Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2022 Paper 1 Variant 1, question 32.

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