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O-LevelChemistryRates of Reaction5070/11 · May/June 2011 · Q151 Mark

The energy profile diagram for the reaction between hydrogen and chlorine is shown. What information about this reaction does the diagram show?

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Aendothermic, negative
Bendothermic, positive
Cexothermic, negative
Dexothermic, positive

✓ Correct answer

C: exothermic, negative

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About this question

Topic
Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2011 Paper 1 Variant 1, question 15.

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