DP Chemistry (first assessment 2025)

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Question 22M.1A.HL.TZ1.13

Date	May 2022	Marks available	[Maximum mark: 1]	Reference code	22M.1A.HL.TZ1.13
Level	HL	Paper	1A	Time zone	TZ1
Command term	Determine	Question number	13	Adapted from	N/A

13.

[Maximum mark: 1]

22M.1A.HL.TZ1.13

What are the electron domain and molecular geometries of the XeF₄ molecule?

[1]

Markscheme

C

Examiners report

Higher scoring candidates had greater success in correctly identifying electron domain and molecular geometry of the XeF₄ molecule.

Syllabus sections

Structure 2. Models of bonding and structure » Structure 2.2—The covalent model » Structure 2.2.13—Some atoms can form molecules in which they have an expanded octet of electrons. Visually represent Lewis formulas for species with five and six electron domains around the central atom. Deduce the electron domain geometry and the molecular geometry for these species using the VSEPR model.