NMR Spectroscopy
Why is it important to use a deuterated solvent?

NMR uses least of this solvent
Expensive solvents work best with NMR
They dissolve polymer the fastest
So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition

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NMR Spectroscopy
Coupling causes the peaks in 1H NMR spectra to be split into

two peaks
multiple peaks equal to the number of hydrogen on surrounding atoms, plus one
multiple peaks equal to the number of surrounding carbon atoms
multiple peaks equal to the number of hydrogens on surrounding atoms

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NMR Spectroscopy
All hydrogen atoms

resonate at about the same frequency as carbon
are attached to carbon
have the same resonance frequency
resonate at different frequencies depending on their environment.

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