NMR Spectroscopy
All hydrogen atoms

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

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

Expensive solvents work best with NMR
They dissolve polymer the fastest
NMR uses least of this solvent
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

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

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