O-LevelChemistryRates of Reaction5070/12 · Oct/Nov 2018 · Q231 Mark

Which set of conditions is used in the contact process?

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Atemperature: 100 °C, pressure: 1 atm, catalyst: V2O5

Btemperature: 300 °C, pressure: 1000 atm, catalyst: Fe

Ctemperature: 450 °C, pressure: 1 atm, catalyst: Fe

Dtemperature: 450 °C, pressure: 1 atm, catalyst: V2O5

✓ Correct answer

D: temperature: 450 °C, pressure: 1 atm, catalyst: V2O5

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Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 2, question 23.

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