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13C NMR and 1H NMR Equivalency of Carbons and Protons

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Please see the attached file for the complete problems.

1. For the compound below tell how many signals you would expect the molecule to have in its normal, broadband decoupled 13C NMR spectra.

2. Identify the indicated sets of protons as unrelated, homotopic, enantiotopic, or diastereotopic.

3. For the compounds below tell how many types of nonequivalent protons there are.

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Solution Summary

The solution shows examples of equivalency and discusses the difference between diastereotopic, homotopic and enantiotopic protons.

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For the compound below tell how many signals you would expect the molecule to have in its normal, broadband decoupled 13C NMR spectra

The compound has 2 planes of symmetry. The different carbons are labeled with different letters. Three different carbons = three peaks in the C-13 ...

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