DP Chemistry (last assessment 2024)

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Question 21N.1.hl.TZ0.31

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Date November 2021 Marks available [Maximum mark: 1] Reference code 21N.1.hl.TZ0.31
Level hl Paper 1 Time zone TZ0
Command term Predict Question number 31 Adapted from N/A
31.
[Maximum mark: 1]
21N.1.hl.TZ0.31

Which aqueous solutions produce oxygen gas during electrolysis?

I.   Dilute CuCl2 (aq) with inert electrodes
II.  Dilute FeSO4 (aq) with inert electrodes
III. Dilute CuCl2 (aq) with copper electrodes

The standard electrode potentials are provided in the table:


A.  I and II only

B.  I and III only

C.  II and III only

D.  I, II and III

[1]

Markscheme

A

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