DP Chemistry (last assessment 2024)
Question 18N.1.hl.TZ0.25
| Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.1.hl.TZ0.25 |
| Level | hl | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 25 | Adapted from | N/A |
25.
[Maximum mark: 1]
18N.1.hl.TZ0.25
What is the order of increasing pH for the following solutions of the same concentration?
A. NaCl < NH4Cl < Na2CO3 < CH3COONa
B. CH3COONa < NH4Cl < NaCl < Na2CO3
C. NH4Cl < NaCl < CH3COONa < Na2CO3
D. Na2CO3 < CH3COONa < NaCl < NH4Cl
[1]
Markscheme
C