DP Chemistry (last assessment 2024)
Question 19M.1.hl.TZ1.18
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.hl.TZ1.18 |
Level | hl | Paper | 1 | Time zone | TZ1 |
Command term | Question number | 18 | Adapted from | N/A |
18.
[Maximum mark: 1]
19M.1.hl.TZ1.18
Which properties can be monitored to determine the rate of the reaction?
Fe (s) + CuSO4 (aq) → Cu (s) + FeSO4 (aq)
I. change in volume
II. change in temperature
III. change in colour
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
[1]
Markscheme
C
Examiners report
One G2 form queried if visible spectroscopy is on the core syllabus and therefore should candidates be aware of monitoring a reaction via colour change. However, 6.1 clearly states that following change in colour is one method of following reactions.