DP Chemistry (last assessment 2024)

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Question 20N.1.hl.TZ0.26

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1.hl.TZ0.26
Level hl Paper 1 Time zone TZ0
Command term Apply Question number 26 Adapted from N/A
26.
[Maximum mark: 1]
20N.1.hl.TZ0.26

Which species is a Lewis acid but not a Brønsted–Lowry acid?

A.  Cu2+

B.  NH4+

C.  Cu

D.  CH3COOH

[1]

Markscheme

A

Examiners report

Vast majority of candidates understood the difference between Lewis and Brønsted Lowry acids.

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