DP Chemistry (last assessment 2024)

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Question 22M.1.sl.TZ2.17

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1.sl.TZ2.17
Level sl Paper 1 Time zone TZ2
Command term Interpret Question number 17 Adapted from N/A
17.
[Maximum mark: 1]
22M.1.sl.TZ2.17

A reaction has an activation energy of 40 kJ mol−1 and an enthalpy change of −60 kJ mol−1.

Which potential energy diagram illustrates this reaction?

[1]

Markscheme

C

Examiners report

Very well answered. 82% of the candidates selected the potential energy diagram with the correct activation energy and enthalpy change to represent the reaction.

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