DP Chemistry (last assessment 2024)

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Question 19M.2.hl.TZ1.d

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.2.hl.TZ1.d
Level hl Paper 2 Time zone TZ1
Command term Draw Question number d Adapted from N/A
d.
[Maximum mark: 1]
19M.2.hl.TZ1.d

Benzoic acid, C6H5COOH, is another derivative of benzene.

Draw the structure of the conjugate base of benzoic acid showing all the atoms and all the bonds.

[1]

Markscheme

     [✔]

 

Note: Accept Kekulé structures.
Negative sign must be shown in correct position.

Examiners report

Very poorly answered with only 1 in 5 getting this question correct. Many did not show all the bonds and all the atoms or either forgot or misplaced the negative sign on the conjugate base.

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