DP Chemistry (last assessment 2024)

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Question 20N.1.hl.TZ0.31

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1.hl.TZ0.31
Level hl Paper 1 Time zone TZ0
Command term State Question number 31 Adapted from N/A
31.
[Maximum mark: 1]
20N.1.hl.TZ0.31

Which statement is correct when a zinc spoon is electroplated with silver?

A.  The cathode (negative electrode) is made of silver.

B.  The anode (positive electrode) is the zinc spoon.

C.  The anode (positive electrode) is made of silver.

D.  The electrolyte is zinc sulfate solution.

[1]

Markscheme

C

Examiners report

Very pleasing to see that nearly 80% could identify the material best suited as anode in an electrolytic cell. Many candidates, however, thought that the material being electroplated should be the anode.

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