DP Chemistry (last assessment 2024)

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Question 20N.1.hl.TZ0.30

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1.hl.TZ0.30
Level hl Paper 1 Time zone TZ0
Command term Deduce, Determine Question number 30 Adapted from N/A
30.
[Maximum mark: 1]
20N.1.hl.TZ0.30

Which conditions deposit the greatest mass of copper when solutions containing copper ions are electrolysed for 10 minutes?

[1]

Markscheme

D

Examiners report

Nearly all candidates understood that larger current would produce more mass in electrolysis, however quite a few also thought that more copper would be deposited if the ion had a +2 rather than +1 charge.

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