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- 6) The compound with the molecular formula C4H10O was synthesized. It was further analyzed using IR spectroscopy. The spectrum of the compound is illustrated below. Identify the structure of a compound. Justify your answer. Identify as many peaks on its IR spectrum as possible. (5 points) 100 80 60 60 %T 40 20 20 0 4000 R2020-93124TM 3000 2000 1500 1000 400 Wavenumber [cm-1]Q3. The following spectra belongs to either benzoic anhydride, aniline and phenol. Identify and describe the important absorption in the spectral data shown below. 4000 3440 1979 1 217 3310 9 1000 19 1979 1 3460 44 2906 06 3396 58 2630 84 320984 1918 1 30954 72 OL FLOE 1340 06 1325 79 1300 79 1276 20 103900 182605 1174 47 106904 1028 72 10 966 616 64 640 1 86 929 3041 32 1500 4 115499 2013 00 1400 60 1117 79 C0031 a PIR 1000 Wild PUBERGH 1500 1000 100 WheThe DEPT-90 spectrum exhibits 6 in the 0-50 ppm region The DEPT-135 spectrum exhibits x 100 ppm region that is a positive ▾ C6 signal(s) for the CH groups: ▼ 1,2,6 ✓ in the sp2 hybridized region 100-150 C3 and C4 ▼ signal(s) (only the quaternary carbon atoms, signal(s), indicating the presence of a methylene group (CH₂) attached to an oxygen atom, are missing); there is C5 ▼ C1 and C2 ▼ and signal(s) in the 50-
- Calculate the IHD of C7H6XNO and identify the important peaks in the following MS spectral data and draw the structure of the important peaks in the following MS spectral data.Question 9 of 18 Match the peaks in this spectrum with the carbons on the structure below. A) : 178.1 рpm II: 68.8 ppm III: 22.5 ppm IV: 27.9 ppm B) I: 178.1 ppm II: 22.5 ppm I: 68.8 рpm IV: 27.9 ppm 160 C) I: 178.1 ppm O. II: 27.9 ppm III IV II: 22.5 ppm IV: 68.8 ppm D) I: 68.8 ppm II: 27.9 ppm II: 22.5 ppm IV: 178.1 ppmQuestion 10 of 18 Match the peaks in this spectrum with the carbons on the structure below. A) I: 11.5 ppm II: 54.3 ppm II: 23.3 рpm IV: 36.2 ppm B) I: 36.2 ppm II: 11.5 ppm II: 23.3 рpm IV: 54.3 ppm C) I: 36.2 ppm II: 23.3 ppm IL III IV III: 54.3 ppm IV: 11.5 ppm D) 1: 36.2 ppm II: 54.3 ppm I: 23.3 рpm IV: 11.5 ppm
- The following NMR and IR spectra were obtained for a molecule with molecular formula C2H4O2. Draw the structure of the molecule that is consistent with the two spectra. Note. In the NMR spectrum, s stands for singlet. LOD C2H,O2 3H, s 3000 cm-1 1H, s 1720 cm-1 D 4000 3000 2000 1500 1000 HAVENUMBERI l 12 10 8 4 -2Which molecule has the IR spectrum below. A B C D A Transmitance 1 0.8 0.6 0.4 0.2 3000 B INFRARED SPECTRUM 2000 Wavenumber (cm-1) C 1000 D 'НExplain why these are the correct spectra for the molecules. Identify a specific absorption band which identifies each characteristic functional group of the molecule chosen.
- 4000 For the following compound identify what peaks would be found in an IR spectrum. Draw the expected IR spectrum on the graph below. Label each peak with the location and portion of the molecule it represents. 3500 3000 IR spectrum 2500 2000 1500 1000 500 03. Draw a molecule with the molecular formula C6H₁0O that would have the following peak(s) in its IR spectrum. (all major non-fingerprint absorbances are listed) a. 3200-3500 cm¹ (broad) 2900-3000 cm-¹ 2200 cm¹ (weak)Q1: Consider the two spectra shown below. One is for 3-methyl-1-cyclopentanone and the other one is for 3-methyl-1-cyclohexanone. Identify which spectra belongs to one compound explain your reasoning. Identify the important absorption peaks correspond to a functional group. Describe the absorption peaks. am 100 4900 400 3000 d 1500 1300 REG ho DEFE 18 PES SAFE RECERES 100