IR Mass NMR Exercises
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IR, Mass and 1 H-NMR spectroscopy exercises From the 3 spectra given for each compound Identify: - the type of bonds from IR spectrum - the molecular mass of the compound and/or molecular fragments from the mass spectrum - the number of different hydrogen environments and the relative numbers of H atoms in each environment from the 1 H-NMR spectrum Spectra Analysis 1 Bonds Mr of fragments No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
description
Analysis of spectra
Transcript of IR Mass NMR Exercises
IR, Mass and 1H-NMR spectroscopy exercisesFrom the 3 spectra given for each compound Identify:
- the type of bonds from IR spectrum- the molecular mass of the compound and/or molecular fragments from the mass spectrum- the number of different hydrogen environments and the relative numbers of H atoms in each environment from
the 1H-NMR spectrumSpectra Analysis
1 Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
2 Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
3 Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
4 Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
5 Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
6 Bons
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
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In CDCl3
Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
8 Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
9 Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
10 Bonds
Mr of fragments
No. of peaks/ Area under each peak/ Chemical shift /Splitting pattern
Key:1. 1-bromopropane2. Propanone/acetone
3. Propanoic acid4. Methyl ethanoate
5. 2-propanol6. Ethanal
7. 1-propanamine8. Propanamide
9. Pentane10. 2-chloropropane
