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 Lab 8: Instrumental Analysis

 You are given seven unknowns, all of which are white or brown powders. Use the provided IR and 1H NMR spectra to assign Unknowns 1-7 to the given compounds. Label all spectra and briefly explain how you made your determinations.

Lab 8: Instrumental Analysis You are given seven unknowns, all of which are white or brown powders. Use the provided IR and 1

unknown 1: Transmittance 4000 3500 3000 1500 1000 2500 2000 Wavenumber (cm-1)CHEM3064 Fall 2016 Qualitative Analysis 1H NMR of Unknown # 1 Doublet Doublet 2H 2H Singlet 2H Singlet 1H 10 6 PPM

unknown 2: w Transmittance ot 3500 4000 3000 T 2500 2000 Wavenumber(cm-1) 1500 1000Singlet 1H Doublet Triplet 2H2H Doublet Triplet 2H 2H Singlet 1H 3 PPM

unknown 3: 60 Transmittance TOOC 400035003000250020001500 1000 AlahaCHEM_3064_Sample_3_PROTON_01 CHEM_3064_Sample_3 -6000 -5500 -5000 4500 4000 3500 3000 2500 -2000 -1500 -1000 в А 500 --500 7.

unknown 4: 1.80 Transmittance 46nsmitang 1,20 1 4000 3500 3000 1500 1000 2500 2000 Wavenumber (cm-1)CHEM3064 Fall2016 Qualitative Analysis 1H NMR of Unknown #4 Triplet 21 Doublet 2H Triplet 1H Singlet 1H 12 10 PPM

unknown 5: Transmittance TTTTTT 4000 3500 3000 1500 1000 2500 2000 Wavenumber (cm-1)CHEM3064 Fal|2016 Qualitative Analysis ?H NMR of Unknown # 5 Doublet 1H Doublet 1H Multiplet 2H Singlet 11 Singlet 1H 12 12 1

unknown 6: 51 06.08 abre sues, osobe 3000 3500 2500 2060 1560 1060 1000 Wavenumber (cm-1)CHEM3064 Fall2016 Qualitative Analysis 1H NMR of Unknown # 6 Singlet 9H Doublet 2H Doublet 2H Singlet 1H PPM

unknown 7: ,15 80 mmm MWh 60 Transmittance 20140 4000 3500 3500 360 3000 2500 2500 2000 Wavenumber(cm-1) 2000 1560 10b0 1000CHEM3064 Fall 2016 Qualitative Analysis 1H NMR of Unknown # 7 Singlet 3 H Singlet 11 Multiplet Зн Singlet 1H 18 16 14 12 10 P


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