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UB CHE 202 NMR value
Proton NMR values chapter 13
Question | Answer |
---|---|
alkane (methyl, -CH3) | 0.9 |
alkane (methylene, -CH2-) | 1.3 |
alkane (methine, -CH--) | 1.4 |
methyl ketone (O=C-CH3) | 2.1 |
acetylenic (C=-C-H) | 2.5 |
halogen or oxygen R-CH2-X | 3-4 |
vinyl (C=C-H) | 5-6 |
allylic (C=C-CH3) | 1.7 |
aromatic (Ph-H) | 7.2 |
benzylic (Ph-CH3) | 2.3 |
aldehyde (O=C-H) | 9-10 |
acid (C=OOH) | 10-12 |
alcohol (R-OH) | variable, 2-5 |
Phenol (Ar-OH) | variable, 4-7 |
Amine (R-NH2) | variable, 1.5-4 |