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Chemistry
why are there only two singlets in the 1H NMR of Gly-Gly (i.o.w. where are the proton signals for the
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- Which region (A or B) will Ethanol appear in the NMR spectrum and which region (A or B) will Ethanal (2- carbon aldehyde or acetaldehyde ) appear in the NMR spectrum ? Explain your answerUse the dropdown menus in the sentence below to indicate if Ha and Hb within the structure are homotopic, enantiotopic or diastereotopic. Also indicate if the signals for Ha and Hb would be the same or different signals in the proton NMR. На Hb Ha and Hb are + and their signals would be the signal(s).colorcode/ or number ALL of the homotopic protons of the structure. Then choose which group would have the highest shift value, and which group of H would have the lowest shift values
- How many O A. 5 O B. 7 O C. 8 O D. 13C signals are expected from this compound? 10 O E. 11How does NMR spectroscopy provide information about chemical structure?Connections to biology 5. Tyrosine is an important amino acid in Biochemistry. Assign the peaks in the ¹H-NMR to the hydrogens in the structure of tyrosine by placing a, b, c, and d in the appropriate corresponding boxes. The hydrogen atoms attached to O and N atoms do not need to be labeled on this spectrum. b 14 12 10 d HN C NH₂ histidine PPM OH