DP Chemistry (first assessment 2025)

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Question 23M.2.HL.TZ2.11

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Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.2.HL.TZ2.11
Level HL Paper 2 Time zone TZ2
Command term Outline Question number 11 Adapted from N/A
11.
[Maximum mark: 2]
23M.2.HL.TZ2.11

Outline how host–guest chemistry mimics enzymes in the removal of xenobiotics.

[2]

Markscheme

Any two of:

host molecule/supramolecule forms complex/bond with guest/xenobiotic ✓

binding between host and guest specific ✓

bonding «usually» non-covalent «in both cases» ✓

 

Accept “supermolecule” for “supramolecule”.