DP Chemistry (last assessment 2024)
Question 22M.1.hl.TZ1.27
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.