DP Chemistry (last assessment 2024)

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Question 19M.1.hl.TZ2.30

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1.hl.TZ2.30
Level hl Paper 1 Time zone TZ2
Command term Question number 30 Adapted from N/A
30.
[Maximum mark: 1]
19M.1.hl.TZ2.30

Consider the following table of standard electrode potentials.

Which is the strongest oxidizing agent?

A. Pb2+

B. Pb

C. Al3+

D. Al

[1]

Markscheme

A

Examiners report

This was a challenging question with a high discrimination index. 57 % of the candidates identified the strongest oxidizing agent given the standard electrode potentials. The most commonly chosen distractor was Al3+ (C).

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