4 Consider The Spectra Below From An Unknown Molecule And Answer The Questions That Follow 2h Integral Ratios Indicate 1 (38.83 KiB) Viewed 23 times
4 Consider The Spectra Below From An Unknown Molecule And Answer The Questions That Follow 2h Integral Ratios Indicate 2 (50.54 KiB) Viewed 23 times
4) Consider the spectra below from an unknown molecule and answer the questions that follow. 2H Integral ratios indicated for each signal 1H 1Η 1Η - d cba 8 7 5 3 2 PPM 100 w *********** 1777 3000 4000 3000 1000 600 2000 1500 wave ICM 100 во 60 Intensity 40 11 20 120 122 0 m2
FI 100- - 30 ma CO Relative tensity 20- M 116 1 20 30 40 50 GO 70 m/ 30 100 110 (b) Give a structure that best matches the set of IR, MS and 'H NMR data above. (4 points) (c) Match each distinct proton in the structure to the 'H NMR signals. Draw the molecule below and clearly label signals a-d. (4 points) (d) Draw the structure of the ion that is responsible for the base peak in the mass spectrum. (2 points)
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