DP Chemistry (last assessment 2024)

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Question 20N.2.sl.TZ0.2a

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Date November 2020 Marks available [Maximum mark: 2] Reference code 20N.2.sl.TZ0.2a
Level sl Paper 2 Time zone TZ0
Command term Predict Question number a Adapted from N/A
a.
[Maximum mark: 2]
20N.2.sl.TZ0.2a

Compound A is in equilibrium with compound B.

(a)

Predict the electron domain and molecular geometries around the oxygen atom of molecule A using VSEPR.

[2]

Markscheme

Electron domain geometry: tetrahedral ✔

Molecular geometry: bent/V-shaped ✔

Examiners report

Half of the candidates answered correctly. The rest of the candidates often answered the question in terms of the carbon atom indicating that they did not read the question carefully.

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