DP Chemistry (last assessment 2024)

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Question 19M.1.sl.TZ1.21

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1.sl.TZ1.21
Level sl Paper 1 Time zone TZ1
Command term Question number 21 Adapted from N/A
21.
[Maximum mark: 1]
19M.1.sl.TZ1.21

Where does oxidation occur in a voltaic cell?

A. positive electrode and anode

B. negative electrode and anode

C. positive electrode and cathode

D. negative electrode and cathode

[1]

Markscheme

B

Examiners report

One G2 form thought the question was awkwardly worded, implying oxidation is occurring in two places rather than one. This question also had a relatively high discriminatory index.

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