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A-LevelChemistryChemical energetics9701/12 · Feb/Mar 2020 · Q331 Mark

A reaction between carbon and oxygen is shown. C(s) + ½O2(g) → CO(g) How can the standard enthalpy change of this reaction be described correctly? 1 standard enthalpy change of formation 2 standard enthalpy change of combustion 3 standard enthalpy change of atomisation

A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct

✓ Correct answer

D: 1 only is correct

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About this question

Topic
Chemical energetics, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Feb/Mar 2020 Paper 1 Variant 2, question 33.

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