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IB Chemistry HL 3.2.11 NMR Splitting Patterns Question Bank

Practise HL 3.2.11 nmr splitting patterns by reading structural and spectroscopic evidence, then selecting the explanation supported by the data.

Syllabus
First assessment 2025
Course
Chemistry HL
Level
HL

Exam points

  • identify the diagnostic structural or spectral feature
  • match peaks, splitting or stereochemical relationships to the correct structure
  • combine independent evidence before making the final deduction

3.2.11 (HL)—NMR splitting patterns question 1

[Maximum number: 1]

Urea, (H2 N)2CO\left(\mathrm{H}_{2} \mathrm{~N}\right)_{2} \mathrm{CO}, is excreted by mammals and can be used as a fertilizer.

Predict the splitting pattern of the 1H{ }^{1} \mathrm{H} NMR spectrum of urea.

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