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s) Using the following spectra, draw a possible structure for C5H11 NO2. 6H, d 1H,d 2H,...
Using the following spectra, draw a possible structure for C5H11 NO2. 6H, d 1H,d 2H, S 1H, s 1H,m 12 10 8 6 2 0 PPM 180 160 140 120 80 60 40 20 100 PPM 0
5. (8 Pts) Using the following spectra, draw a possible structure for C5H19NO2- DOU= Expected Structure 6H, d 1H,d 2H, s 1H, S 1H,m 12 10 8 6 4 2 0 PPM 180 160 140 120 80 60 40 20 100 PPM
Compound D C6H12O2 6H 2H 3H 1H. ull PPM 180 160 140 120 100 80 60 40 20 PPM
2. Consider the protons labeled H., H., H., of the compound shown below. Each of these protons are chemically different and are split by at least one other type of proton. coupling constants are shown below. HA HOHC C= "Hc JAB = 15.1 Hz JBC = 6.4 Hz Draw the splitting tree for each proton, H., Ho, and H. 3. Propose a structure for the following compounds piven the spectra and molecula formula. Briefly describe how each spectrum supports your...
Molecule C: Molecule D: Can someone PLEASE EXPLAIN the answers?????? 2. Below are the 'H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra. Molecule A: 'H NMR 3H 3H no coupling, so no adjacent carbons with hydrogen atoms 2H 5 3 2 0 PPM 13C NMR aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0 Molecule...
The 1H-NMR and 13C-NMR spectra of an unknown compound (formula C8H10) are shown below. Draw the structure of the unknown compound. The total integration of the peaks at around 7 ppm is 4. The integration of the peak at around 2 ppm is 6. 7 6 5 4 3 ppm TTTTTTTTTTTTTTTT 200 180 160 140 120 100 80 60 40 20 0 pom CH3 Create OscerSketch Answer 8 Incorrect: Answer has an incorrect structure.
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...
16. Propose a structure for a molecule of formula CaHsCl which gave the following 1H NMR spectrum. PPM 17. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 148, an IR peak at 1680 cm'and gives the following H and 13C NMR spectra 3H зн 2H 2H 2H 3 5 2 7 6 4 PPM 160 140 180 60 220 200 20 0 120 100 80 40 PPM -
MASS SPECTRUM 100 80- m/z 150 60 40 0.2 20. 00 1000 4500 2500 2000 150) 000 3500 3000 0.0+ 0.0 Wavenurbers (cm-1) on 160 40 120 13C NMR 2 peaks overlapping 100 20 40 120 60 80 PPM 140 6H H NMR 2H 2H 2H 1H 1H 2 7 5 8 PPM 1. Using the spectra on the next page, solve for the structure of an unknown organic compound. Fòi full credit (and consideration for partial credit) show your...
Please help with this B: C3H30 d, 6H Hz 371.56 365.38 359.25 353.13 347.06 193.00 110.44 102.06 ppm 4.149 4.080 4.012 3.943 3.876 2.155 1.234 1.140 s, 1H m, 1H TTTTTTTTTTTTTTTTTTTTT 11 10 9 8 7 6 5 4 3 2 1 HSP-03-214 ppm ppm Int. 64.04 732 25.29 1000 160 140 120 80 60 40 20 0 200 180 COS-60-521 100 ppm B: C3H2O Structure and Assignment