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QUESTION- Label these spectra attached. Use them to discuss differences in reactant and product spectra that determine/support positive product formation.
please no general responses, be specific to peaks in the spectra attached.
EXPERIMENT: Synthesis of Benzil - Multi-Step Synthesis Part B
References
Lehman, J.W. Operational
Course, 3 rd Ed., Prentice-Hall, Inc: New Jersey, 1999, p. 449.
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- Which set of H's in the phenacetin analog shown below correspond to HA/HA' in the 1H NMR spectrum shown below? Phenacetin1HNMR Chem235.12.fid 7.9 7.8 7.7 7.6 HA/HA' HB/HB' N A/A' 7.5 11 Group 1 one H3C 10 B 7.2 7.1 7.0 F1 (ppm) C/C' ZI 6.8 6.7 6.6 6.5 6 f1 (ppm) 5 [Choose ] [Choose ] CH3 Group 2 900 -800 700 -600 -500 400 -300 -200 100 -0 > -3800 3600 3400 3200 -3000 2800 2600 2400 -2200 -2000 1800 -1600 1400 - 1200 -1000 -800 600 -400 -200 -200Help me pleaseWhat compound does this NMR show evidence for? Integration values are given in red below the peaks. 23 4 22 PPM O a. o b. olaa od. ое.
- Draw the structure of the compound identified by the simulated 'H NMR and ¹3C NMR spectra. The molecular formula of the compound is C₁0H₁2O. (Blue numbers next to the lines in the 'H NMR spectra indicate the integration values.) ¹H NMR 1H 2H 2H 2H 2H 3H IT 111 10 8 6 8 (ppm) 13C NMR III. 220 200 180 160 140 60 40 20 100 8 (ppm) Deduce the structure from the spectra. Select Draw More CHO 2 Ć Rings 120 80 Erase Q 2 Q4 ¹H-NMR Spectra 1 3) M.F. = C₂H₂OBr 21 21 3 2) 2 PPM2. (Chapter 13 - Q58b) The compound whose H NMR spectrum is shown has the molecular formula C7H7B1. Follow the following questions to predict the unknown structure. Chem. shift Rel. area 2.31 1.50 701 1.00 7.35 1.00 TMS 10 7 6 O ppm 4 3 2 Chemical shift (8) e20s Cenge leaming 2(a) Degree of the unsaturation of this compound is= 2(b) The two distinct peaks in the aromatic region of the H NMR indicate that compound is .disubstituted = 2(c) The splitting pattern of the peak at 2.31 ő is = 2(d) The group that corresponds to the splitting pattern in 1(c) is = 2(e) This compound has the plane of symmetry Yes or No = 2(f) The name of the unknown compound = Intensity
- Analyze the H-NMR and C-NMR data below 10 9 8 7 H-NMR 6 200 180 160 140 120 C-NMR ppm 100 80 ppm 3 2 60 40 20 0 Assign. AQU C Shift (ppm) 7.804 7.607 2.577 Ppm Int. 196.90 199 135.86 274 131.89 1000 129.83 995 128.28 284 26.50 3634. Propose a structure for an organic compound with structural formula CioH13NO2 based on the given IR and H NMR spectra. Explain your answer by interpreting the spectra 7.4 7.2 7.0 6,8 4.0 3.8 1.4 1.2 TMS Impurity 8. 7 5 4 3 2 &H (ppm) 100 90 80 70 60. 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 650 Wavenumber (cm-) Transmittance (%)A better way to measure the percent composition of N-methylacetamide at 283 K would involve Select one: O a. Performing 64 NMR scans after 17 minutes of cooling and averaging the results O b. Irradiating the NMR tube with microwaves for 15 seconds in order to rapidly change the temperature to 383 K O c. More rapid cooling to 283 K, and collection of NMR spectra as single scans at several time points after the temperature had reached 283K O d. Spraying the content of NMR tube at 333 K quickly into liquid nitrogen to give a solid matrix in which the conformational inter-conversions are frozen O e. Bubbling chlorine gas through the NMR tube during cooling in order to minimize temperature gradients at the walls of the NMR tube
- What is the standard solvent in both 1H and 13C NMR? A. (CH3)4Si B. D2O C. CDCl3 D. C6H6 E. none of the aboveHere is a NMR for an unkown compound. Describe how does the NMR prove that the compound is benzanilide.How can IR spectroscopy be used to distinguish between the following compounds?a. a ketone and an aldehydeb. a cyclic ketone and an open-chain ketonec. benzene and cyclohexened. cis-2-hexene and trans-2-hexenee. cyclohexene and cyclohexanef. a primary amine and a tertiary amine