Worksheet: Proton NMR Integration

In this worksheet, we will practice using integration traces in proton NMR spectra to determine the relative populations of hydrogen environments.

Q1:

Analysis of two peaks in a proton NMR spectrum gives a 3 2 integration. What does this mean?

  • AOne of the peaks is a methyl group and the other is a methylene group.
  • BThere are three hydrogens on one carbon and two on another.
  • CThe peaks belong to a straight chain aliphatic compound.
  • DThe ratio between the two types of hydrogen environments is 3 2 .

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