A-Level ChemistryYear 2023Q4
page 03 4. A reaction was carried out as shown in the energy diagram. reaction path potential energy (kJ mol-1) 250 200 150 100 50 0 Which of the following has a value of 150 kJ mol-1? A Activation energy of the reverse reaction B Enthalpy change of the reverse reaction C Activation energy of the forward reaction D Enthalpy change of the forward reaction [Turn over
Paper Source:NH_Chemistry_Paper1-Multiple-choice_2023.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)