DP Chemistry (last assessment 2024)
Question 21M.1.hl.TZ1.27
Date | May 2021 | Marks available | [Maximum mark: 1] | Reference code | 21M.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]
21M.1.hl.TZ1.27
Which combination will produce an alkaline buffer in water?
A. 0.10 mol NH3 and 0.05 mol H2SO4
B. 0.50 mol NH3 and 0.10 mol H2SO4
C. 0.10 mol CH3COOH and 0.05 mol NaOH
D. 0.10 mol CH3COOH and 0.50 mol NaOH
[1]
Markscheme
B