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A-LevelChemistryChemical energetics9701/12 · Oct/Nov 2019 · Q71 Mark

Which equation correctly represents the standard enthalpy change of atomisation of the given element?

A½ I₂(g) → I(g)
BNa(s) → Na(g)
CCl₂(g) → 2Cl(g)
DNa(g) → Na⁺(g) + e⁻

✓ Correct answer

B: Na(s) → Na(g)

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About this question

Topic
Chemical energetics, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Oct/Nov 2019 Paper 1 Variant 2, question 7.

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