DP Chemistry (last assessment 2024)

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Question 19M.3.hl.TZ1.19b(ii)

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.hl.TZ1.19b(ii)
Level hl Paper 3 Time zone TZ1
Command term Identify Question number b(ii) Adapted from N/A
b(ii).
[Maximum mark: 1]
19M.3.hl.TZ1.19b(ii)

Aspirin can be obtained from salicylic acid.

Additional information can be obtained from the 1H NMR spectrum of aspirin.

(b(ii))

Identify the splitting pattern of signals X and Y.

 

X:

Y:

[1]

Markscheme

X: singlet AND Y: singlet  [✔]

Examiners report

There was also great difficulty in identifying the splitting pattern of the signals. It was rare to see both signals identified as singlets.

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