Which of the carbon atoms shown displays the signal that is the most downfield in the 13C NMR spectrum? F -C=N | OI III IV OV I = || ||| -C=C- IV V
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- 3-Bromo-1-phenyl-1-propene shows a complex NMR spectrum in which the vinylic proton at C2 is coupled with both the C1 vinylic proton (J = 16 Hz) and the C3 methylene protons (J = 8 Hz). Draw a tree diagram for the C2 proton signal, and account for the fact that a five-line multiplet is observed.того How many signals would in 1H-NMR spectrum de a) Cool Cl a 00262175 the following b) Ht3C CHO CO₂tt CH3May you please help me with this ochem question?
- Which molecule would have a large M-18 peak in its mass spectrum? OV O III Oll ON OH || ||| IV Br V -NH₂06) Answer the following questions for each of the substances: a) How many signals appear in the 13C NMR spectrum? b) Which signal is at the lowest frequency?Which of the compounds shown is consistent with the 13C NMR spectrum given? 1 Oll III ON ον CI Previour 50 9 CI = 30 PPM CI 20 ||| CI IV CI V Navt