DP Chemistry (last assessment 2024)
Question 19N.1.sl.TZ0.23
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.1.sl.TZ0.23 |
| Level | sl | Paper | 1 | Time zone | TZ0 |
| Command term | Deduce, List | Question number | 23 | Adapted from | N/A |
23.
[Maximum mark: 1]
19N.1.sl.TZ0.23
The following occurs when metal X is added to Y sulfate solution and Z sulfate solution. (X, Y and Z represent metal elements but not their symbols.)
X (s) + YSO4 (aq) → XSO4 (aq) + Y (s)
X (s) + ZSO4 (aq): no reaction
What is the order of increasing reactivity?
A. X < Y < Z
B. Y < X < Z
C. Z < Y < X
D. Z < X < Y
[1]
Markscheme
B