Organic 2 Exam 2 MSUM (Spectroscopy/NMR)

For H-NMR -> A chemical shift of 9's (9.0-10.0) indicates

• Aromatic

• Alkene

• Aldehyde

• Allylic

For H-NMR -> A chemical shift of 7's (6.5-8.4) indicates

• Aldehyde

• Aromatic

• Alkene

• Allylic

For H-NMR -> A chemical shift of 5's (4.8-6.8) indicates

• Aldehyde

• Aromatic

• Alkene

• Alcohol

• Allylic

for H-NMR 1 H no splitting indicates

• hydroxyl

• ester

• ether

• isopropyl

For H-NMR -> 5 H in 7's indicates

• mono-substituted benzene

• unsubstituted benzene

• di-substituted benzene

• para-substituted benzene

for H-NMR what does a 3H singlet in 3's (3-4.5) indicate?

• oxygenated methyl

• allylic methyl

• CH3-CH2

• CH3-CH

for H-NMR what does a 3H singlet in 2's (1.8-3) indicate

• oxygenated methyl

• allylic methyl

• CH3-CH2

• CH3-CH

for H-NMR what does a 3H triplet in 1's (0.7-2) indicate

• oxygenated methyl

• allylic methyl

• CH3-CH2

• CH3-CH

for H-NMR what does a 3H doublet in 1's (0.7-2) indicate

• oxygenated methyl

• allylic methyl

• CH3-CH2

• CH3-CH

for H-NMR what does a 2H quartet in 3's (3-4.5) indicate

• oxygenated ethyl

• allylic ethyl

• oxygenated methyl

• allylic methyl