Order the 'H NMR signals of the following compounds by chemical shift position (lowest to highest). Which one is the most upfield? The most downfield? (a) H3C—CH3 (b) H2C=CH2 (c) H3C—O—CH3 (d) H3C—C(=O)—CH3 (e) Benzene ring (f) H3C—N(CH3)—CH3
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They will experience a moderate deshielding effect due to the electron-withdrawing nature of the sp2 carbons. b) HC≡CH (acetylene): The hydrogens are attached to sp hybridized carbons with a triple bond. They will experience a strong deshielding effect due to the Show more…
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