Give Bonus Points For the 'H NMR …ctrum below. chose your reasons tion: What is the...
IL (20 points) The 'H NMR, "C NMR, Mass Spectra and IR spectra for a mystery compound with the formula CsH20 are shown below. Please draw the structure for the compound in the box below. Note: The numbers on top of the 'H NMR peaks are the number of protons associated with that peak. A chart for 'H NMR, IR and C NMR spectra shift values are on the following pages. FTIR 13C NMR Zoom Out 'H NMR Zoom Out...
3. The IR and the 'H NMR spectra of an unknown with a molecular formula of C10H13NO2 are shown below. The questions that follow will guide you in the determination of its structure. (16 points in total) a-Determine the degree of unsaturation. Show your calculation (2 points) 2/9 - Analyze three significant bands in the IR spectra below that conclude on the existing functions in the molecule. (3 points) ü C- Fill in the table with all 'H NMR characteristics...
4. The H NMR spectrum shown below is for a compound with the formula CgHi9lN a) Determine the lOU for the compound b) Propose a structure for the compound c) Assign all H NMR signals to the hydrogens in your structure 6H 4H 4H 4H 1H
2. Draw the 'H-NMR for the structure below. Label each peak on the NMR (2 points):
4. Draw the 'H-NMR for the structure below. Label each peak on the NMR (2 points):
6. The 'H NMR spectrum of a compound with the molecular formula CsH.CIO, is shown below. Note: To clearly assess the splitting of each signal, refer to the insets that are provided. (10 points) 445 44 60 620 415 (a) Calculate the number of degrees of unsaturation for this molecule (2 points) (b) What is the structure of this compound? To receive full credit, completely annotate the above spectrum by assigning each signal to the corresponding proton(s) in your proposed...
1. For each of the following spectra below, choose the best compound. Give your reasons. om or iOH - H op 0.86 2.07 3.00 OD
3) Critical analysis (5 points): (a) Your TA will give you a 'H NMR spectrum of the 3-nitroaniline product. Using your NMR knowledge and the special NMR section in the lab book (especially pages 48 ON and 49), assign the 4 peaks in the spectrum to each of the protons in the product. you will need to use coupling pattern and chemical shift to complete the assignment. H. (b) Explain your assignment, specifically how you differentiated between Haand H.
6. The 'H NMR spectrum of a compound with molecular formular CaH10O is shown below. Determine the structure of the compound and assign the 'H NMR signals. 4 2
5 points How many 1H NMR signals would you expect from this compound? СІ 1 -0. Type your answer... 2 5 points How many ?H NMR signals would you expect from this compound? OH Type your answer... Question 3 The structure below has three IH NMR signals with chemical shifts list "a", "b", and "c". The H atoms in the structure below are labeled "1)", "2)