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25) Which of the following C4H OC1 compounds best fits the proton NMR spectrum shown below?...
Which of the following C4HzOCl compounds best fits the proton NMR spectrum shown below? (The numbers above the peaks are integration values.) C4H-OCI 1.50 1.00 1.0 A) CH3CCHCH B) CICH2CCH2CH Cl D) CH3CCIH CIH2CI O D
Which of the compounds best matches the proton NMR spectrum depicted below?
answer them all thanks Which of the following compounds fits the proton NMR shown below? ЗН 1.0 ppm A) CH,CH,CH_COCH B) CHỊCH COCHẠCH ) CH3COCH_CH.CH D) CH,CCH_CHOCH MacBook Air esc Identify the CAHgCl isomer given the following proton NMR data: doublet 8 1.04 (6H) multiplet 81.95 (1H) doublet o3.35 (21) A) (CH3),CCI B) CHCHCH-CH-CI C) CH3CHCHCH, D) (CH3),CHCH_CI Ос ОА Ma hybridized CH absorption in its mollion tion in c 72 and n o R etina 1725 m. Assume each...
D. nuclear E. magnetic 28. Which of the compounds below best fits the spectrum shown? H3C A. CH3 HaC CH3 CH B. C. CH3 CH D, H3C CH E, H3C CH
In the space provided below, predict the NMR spectrum for each of the following compounds. Give the approximate chemical shift (8), the splitting pattern (doublet, triplet, etc.), and the relative signal integration for the 'H NMR signals. be observed in the 13C spectrum. Give the number of carbon signals that would Cl Cl
4. The proton NMR and IR spectra of Compound B are shown on the next page. Using the molecular formula C,H,O: (a) Calculate the index of unsaturation. (b) Assign at least three absorption bands in the IR spectrum to functional groups. (C) By considering this value in your analysis of the spectra, give the correct structure for unknown B. Integration values are given above the peaks. (d) Label all peaks in the NMR spectrum, i.e., Ha, Hb, etc., and place...
3) Provide the structure of the molecule. Proton NMR spectrum is shown below. MF: CH100 PPN 4) Provide the structure of the molecule. Proton NMR spectrum is shown below. MF: C10H120 Integration 2 2 2 3 3 11 10 9 8 7 6 5 Ppm 4 3 2 1 0
NMR. Consider the following compounds (A-E). Which of the compounds (A-E) corresponds to the proton and carbon-13 NMR spectra below? Circle the compound and write an explanation. PROBLEM 7. NMR. Consider the following compounds (A-E). Which of the compounds (A. corresponds to the proton and carbon-13 NMR spectra below? Circle the compound and write explanation to the box at the bottom of the page. Note: Just guessing without correct explanation does not count. in dhe i all 2H 2x3H 1H...
5. The 'H NMR spectrum of 2-bromo-1-ethoxy-4-nitrobenzene is shown below, and the peak list has been assembled in the table. In the structure of the product, each proton has been labeled with a letter. NO2 6 (ppm) H NMR spectrum of 2-bromo-1-ethoxy-4-nitrobenzene Proton(s) in Peak FrequencyPeak Multiplicity Peak Integration Number of Protons s, d, etc t, J- 7.0 Hz q, J 7.0 Hz dd, J - 8.4, 0.4 Hz dd, J - 8.4, 1.7 Hz dd, J-1.7, 0.4 Hz Molecule...
What 1H NMR spectral data is expected for the compound shown? Calculate the Hydrogen deficiency and draw the correct C_4 H_9 Br isomer, (IR shows strong bands at 3000-2850 and sharp bands in the region 1300-1150cm^-1) that best fits the proton NMR spectrum shown below, Assign^1 H NMR peaks to show which protons give rise to which signal in each spectrum?