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Alkyl C–H
0–1.5 ppm
Allylic (next to C=C)
1.5–2.5 ppm
Next to carbonyl (C=O)
2–3 ppm
C–H next to O/N/Cl
3–4 ppm
Alkene (C=C–H)
4.5–6 ppm
Aromatic
6–8 ppm
Aldehyde
9–10 ppm
Carboxylic acid
10–12 ppm
OH/NH
~1–5 ppm (broad)