O-LevelChemistryRates of Reaction5070/12 · Oct/Nov 2020 · Q251 Mark

Ammonia is manufactured by the Haber process. N2(g) + 3H2(g) ⇌ 2NH3(g) The forward reaction is exothermic. Which statement about the Haber process is correct?

Alow pressure is used to shift the position of the equilibrium to the right.

Bhigh temperature is used to shift the position of the equilibrium to the right.

CAn iron catalyst is used to shift the position of the equilibrium to the right.

DThe nitrogen used is obtained from the air.

✓ Correct answer

D: The nitrogen used is obtained from the air.

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Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 2, question 25.

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