DP Chemistry (last assessment 2024)

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Question 19M.1.hl.TZ1.18

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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.

Syllabus sections