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- What fragments might you expect in the mass spectra of the following compounds?Question 1 Correct Answer-Label the spectra and compound OH 3 1HNMR (ppm): 4.77 (1H, br s); 3.50 (1H, quintet); 1.55 (2H, quintet); 1.40 (1H, m); 1.11 (3H, d); 0.99 (3H, t); 0.88 (3H, d) Explanation for Excellent - Draw compounds that match the other spectra. They all have the same molecular formula as above 2 IHNMR (ppm): 4.7 (1H, br s); 3.62 (2H, t); 1.58 (2H, quintet); 1.43 (2H, quintet); 1.37 (2H, quintet); 1.35 (2H, sextet); 0.88 (3H, t) IHNMR (ppm): 3.46 (2H, q); 3.35 (2H, t); 1.50 (2H, quintet); 1.46 (2H, sextet); 1.05 (3H, 1); 0.96 (3H, t) PPM 1HNMR (ppm): 3.65 (2H, m); 1.13 (12H, d)Which molecule would have a large M-18 peak in its mass spectrum? OV O III Oll ON OH || ||| IV Br V -NH₂
- Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen atom the charge. Select Draw Rings More H H₂ HC __|| HC. ΤΟ CI CH CH3 H/ CH3 C6) Which of these spectra contains an alkyne? Explain the reasoning behind your choice and circle the peak(s) that are associated with the alkyne. 100 D 100 4000 4500 1000 2008 2000 HAVENUBR AVENUMBERI 1000 1000 jmm 1900 1000 380 100Molar mass: 120 (2nd page) 86(1st page) Label the major peaks in each spectrum and propose a structure for the compound.
- An uknown organic compound with molecular formula C9H10O2 find DUI, draw the structure of the compound on both HNMR and 13CNMR spectra and assign all peaks, please see attached picture belowCI (3d) Draw the DEPT-90 and DEPT-135 13C spectra for compound X. Label each carbon peak using your notation from (3a).The IR spectra for acetaminophen and phenacetin are shown below. a. Identify which spectrum is for acetaminophen and which is for phenacetin. b. Label the key bond/functional group signals on each spectrum. (e.g. N-H, C=O, O-H, C=C, C(sp3-H, C(sp³)–H) OH fou acetaminophen phenacetin 100.0 90 80 70 60 50 40 30 20 10 0.0 40000 3000 2000 1500 1000 4000 čm-1 LOD 4000 3000 2000 1500 1000 500 3305.35- 6891 1228.63- 117185 107.83-
- What is the structure from the formula C10H12 and the spectra?Identify the following spectra. Please find peaks are assigned on the spectrum (~5-6 peaks). Label the peaks on the spectrum and place the structure of the compound in the box on the lower left-hand corner of the spectrum (from the table below, no numbering scheme).Below are three MS spectra, Spectra 1, 2, and 3. Each of this mass spectrum corresponds to either Compound A (contains one Cl in the molecular formula), Compound B (one I in the molecular formula), and Compound C (one Br in the molecular formula). Identify which spectra corresponds to which compound. Provide explanations for your choices.
