DP Chemistry (last assessment 2024)

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Question 22M.1.hl.TZ2.9

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1.hl.TZ2.9
Level hl Paper 1 Time zone TZ2
Command term Deduce Question number 9 Adapted from N/A
9.
[Maximum mark: 1]
22M.1.hl.TZ2.9

In which of the following compounds does ionic bonding predominate?

A.  HCl

B.  NaF

C.  NH4Br

D.  NaOH

[1]

Markscheme

B

Examiners report

A well answered question. 70% of the candidates selected NaF as the compound in which ionic bonding predominates. Several teachers expressed concern regarding the unusual wording of this question, but thankfully the candidates understood it in the right way.

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