DP Chemistry (first assessment 2025)

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Question 19M.1A.SL.TZ1.30

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.SL.TZ1.30
Level SL Paper 1A Time zone TZ1
Command term Question number 30 Adapted from N/A
30.
[Maximum mark: 1]
19M.1A.SL.TZ1.30

Which factors affect the amount of product formed at the cathode during electrolysis of molten salts?

    I. current
    II. time
    III. charge on the cation

A. I and II only

B. I and III only

C. II and III only

D. I, II and III

[1]

Markscheme

D

Examiners report

Majority of candidates answered this correctly with the most common mistake being omission of time as a factor affecting electrolysis quantities.

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