DP Chemistry (last assessment 2024)

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Question 20N.1.sl.TZ0.17

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1.sl.TZ0.17
Level sl Paper 1 Time zone TZ0
Command term Identify Question number 17 Adapted from N/A
17.
[Maximum mark: 1]
20N.1.sl.TZ0.17

Which arrow shows the activation energy of the uncatalysed forward reaction for this equilibrium?

2SO2 g+O2 g⇌2SO3 g     ∆H=-196 kJ mol-1

[1]

Markscheme

C

Examiners report

Identifying the activation energy of an uncatalyzed reaction from an energy profile diagram was the best answered question in the exam.

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