DP Chemistry (last assessment 2024)

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Question 19M.1.hl.TZ1.12

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1.hl.TZ1.12
Level hl Paper 1 Time zone TZ1
Command term Question number 12 Adapted from N/A
12.
[Maximum mark: 1]
19M.1.hl.TZ1.12

Which species has delocalized electrons?

A. OH−

B. H2CO

C. CO2

D. CO32−

[1]

Markscheme

D

Examiners report

This question on delocalized electrons was also well answered.

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