DP Chemistry (last assessment 2024)

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Question 23M.1.SL.TZ1.28

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1.SL.TZ1.28
Level SL Paper 1 Time zone TZ1
Command term Question number 28 Adapted from N/A
28.
[Maximum mark: 1]
23M.1.SL.TZ1.28

What is the percentage error if the enthalpy of combustion of a substance is determined experimentally to be −2100 kJ mol−1, but the literature value is −3500 kJ mol−1?


A.  80 %

B.  60 %

C.  40 %

D.  20 %

[1]

Markscheme

C

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