The ¹H NMR spectrum of 2-propane-1-ol is shown here. Indicate the protons in the molecule that are responsible for each of the signals in the spectrum.

A single peak indicates the presence of no neighbor H atom. If the peak splits into two it shows only one neighbor H is present and if the peak split into three then two neighbor H are present and if four peaks then three neighbor H and so on.

Table given below shows the chemical shift values for various groups:

Chemical shifts

The various peaks are indicating following protons based on the table:

• The peak at is due to proton that is bounded to oxygen here named as proton.
• The peak at is split into doublet by the proton and is present on carbon next to oxygen. This is due to present next to OH these proton named protons.
• The coupling constant is higher for trans protons and and proton are split due to proton. Peak at is due to proton and at is due to proton.
• The peak at is of proton which is split by , and protons.
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Structure of 2-propenol