DP Chemistry (first assessment 2025)

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Question 19M.1A.SL.TZ1.28

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.SL.TZ1.28
Level SL Paper 1A Time zone TZ1
Command term Question number 28 Adapted from N/A
28.
[Maximum mark: 1]
19M.1A.SL.TZ1.28

Which product will be obtained at the anode (positive electrode) when molten NaCl is electrolysed?

A. Na (l)

B. Cl (g)

C. Cl2 (g)

D. Na (s)

[1]

Markscheme

C

Examiners report

57 % of candidates correctly identified products of electrolysis at the anode with the incorrect answers being split by the remaining 43 %

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