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A-LevelChemistryChemical energetics9701/12 · May/June 2013 · Q111 Mark

Which energy change corresponds to the enthalpy change of atomisation of hydrogen at 298 K?

Athe bond energy of a H–H bond

Bhalf the bond energy of a H–H bond

Cminus half the bond energy of a H–H bond

Dminus the bond energy of a H–H bond

✓ Correct answer

B: half the bond energy of a H–H bond

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About this question

Topic: Chemical energetics, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2013 Paper 1 Variant 2, question 11.

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