Worksheet: Structural Isomers in NMR Spectroscopy

In this worksheet, we will practice using NMR spectra to identify and distinguish between compounds with the same molecular formula.

Q1:

Adjacent protons can act as magnets and affect the amount of radiation required for proton resonance in NMR. This interaction causes .

  • Aincreased shielding, forcing the chemical shift to be lower
  • Brapid relaxation and unreliable integration results
  • Cdecreased shielding, forcing the chemical shift to be higher
  • Dspin-spin coupling, resulting in peak splitting

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