DP Chemistry (last assessment 2024)

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Question 22M.1.hl.TZ1.27

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1.hl.TZ1.27
Level hl Paper 1 Time zone TZ1
Command term Identify Question number 27 Adapted from N/A
27.
[Maximum mark: 1]
22M.1.hl.TZ1.27

In which set are the salts arranged in order of increasing pH?

A.  HCOONH4 < KBr < NH4Br < HCOOK

B.  KBr < NH4Br < HCOOK < HCOONH4

C.  NH4Br < HCOONH4 < KBr < HCOOK

D.  HCOOK < KBr < HCOONH4 < NH4Br

[1]

Markscheme

C

Examiners report

Not very well done in identifying the set of ionic compounds that were arranged in correct order of increasing pH, with no clear misconception based on the other choices.

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