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4 cards from this section. Quick, good the night before a test.
What is the purpose of NMR spectroscopy?
Think about what information we can gather from the signals.
What does the chemical shift tell us in NMR?
Recall how different atoms affect the frequency.
What is the main purpose of NMR spectroscopy?
Consider the main application of spectroscopic techniques.
True or False: Deshielding occurs when there is increased electron density around a nucleus.
Think about what happens to resonance frequencies with electron density.
You obtain an NMR spectrum with peaks at 1.2 ppm (triplet) and 7.2 ppm (doublet). Predict the possible molecular structure of the compound, considering common functional groups.
Consider common structures that fit these chemical shift patterns.
An NMR spectrum shows a singlet at 9.8 ppm and a quartet at 1.5 ppm. Deduce the structure and provide reasons for your conclusions.
Use the chemical shifts to identify functional groups.
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