1. [12 pts) Estimate the area of the region between the x-axis and graph of the...
Q.1 Chloroform (1) and n-heptane (2) forms a 2 phase systems for which the following plot is givern: 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 6.0 5.5 5.0 4.5 4.0 3.5 2.5- 2.0- 1.5 1.0 0.5 0.0 0.0 0.2 0.4 0.6 0.8 1.0 (a) Use Van Laar equation to calculate y?, y2 and P for x1-02. Given P1 at-44.51 kPa; P2 at-65.54kPa (b) Do the activity coefficients show positive or negative deviation from activity...
Please help me interpret the proton NMR of this unknown aldehyde. ZACH RIA A3 2 -1400 -1300 -1200 -1100 1000 -900 -800 -700 -600 -500 400 300 -200 -100 -100 -5.5 4.5 -5.0 -3.5 -4.0 -2.5 -3.0 -1.5 -2.0 -0.5 -1.0 f1 (ppm) 0.5 0.0 1.5 1.0 2,5 2.0 4.0 3.5 3.0 Adtyd SE 910- 660-h ar ZACH RIA A3 2 -1400 -1300 -1200 -1100 1000 -900 -800 -700 -600 -500 400 300 -200 -100 -100 -5.5 4.5 -5.0 -3.5...
A variety of spectra for an organic compound with molecular formula C10H16O are presented below. The experimental accurate mass using (+) APCI source is 153.1280 u. The 1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following slides. Propose a structure for this unknown and answer or address the following questions or requirements: d. If there are still any questionable assignments, propose additional NMR experiments which would solve those questions and briefly explain specifically what correlations you...
A variety of spectra for an organic compound with molecular formula C10H16O are presented below. The experimental accurate mass using (+) APCI source is 153.1280 u. The 1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following slides. Propose a structure for this unknown and answer or address the following questions or requirements: a. Using the most abundant isotopes of C, H and O, what are the errors in ppm and milli-Daltons for the experimental accurate mass?...
Draw the structures of the Compounds 2.0 3.64 Unsat. Index = (2C+2-H-X +N)/2 = 1.5 1.06 6.86 7.00 d = 2.44 ppm, Compound 18a. C, H, N quartet, 2H 1.0 7.02 6.84 2.43 2.45 1.08 1.04 a = 7.01 ppm, c = 3.64 ppm, b = 6.85 ppm, 0.5 doublet, 2H doublet, 2H singlet, 2H e = 1.06 ppm, 2.41 2.47 triplet, 3H 8, ppm 0.0 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 20 1.5...
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of each compound (4 points) (30 points total) 2.0 3.64 Unsat. Index = (2C + 2-H-X +N)/2 = 1.5 1.06 6.86 7.00 d = 2.44 ppm, Compound 18a. C,H, N 1.0 7.02 6.84 quartet, 2H 2.43 2.45 1.08 1.04 a = 7.01 ppm, b = 6.85 ppm, c = 3.64 ppm, 0.5 doublet, 2H doublet,...
Consider the cyclohexanol/cyclohexene mixture spectrum. Calculate the observed cyclohexanol/cylcohexene ratio. Spectrum C cyclohexene & cyclohexanol mixture solvent: CDCl 3.0 2.5 5.5 5.0 4.5 4.0 3.5 2.0 1.5 1.0 0.5 ppm Spectrum C cyclohexene & cyclohexanol mixture solvent: CDCl 3.0 2.5 5.5 5.0 4.5 4.0 3.5 2.0 1.5 1.0 0.5 ppm
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of each compound (4 points) (30 points total) 2.0 3.64 Unsat. Index = (2C+2-H-X +N)/2 = 1.5 1.06 6.86 7.00 d = 2.44 ppm, Compound 18a. C10H,,N quartet, 2H 1.0 7.02 6.84 2.43 2.45 c = 3.64 ppm, 1.08 1.04 a = 7.01 ppm, b = 6.85 ppm, doublet, 2H doublet, 2H singlet, 2H 0.5...
5.0 69 4.5 68 3.5 3.0 $ 2.5 2.0 67 65 64 63 61 1.0 0.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 UNEMPLOYMENT RATE (Percent)
Fill in the CNMR and HMNR table for the corresponding spectrscopy charts. Major Component CDCL3T 240 120 57 Major Component -180 -7.26Chloroform- -170 160 7.40 -5.81 150 140 -130 120 -110 -100 1.00 6.5 6.0 7.0 5.5 5.0 4.5 4.0 3.5 f1 (ppm) 3.0 2.5 2.0 1.5 1.0 0.0 0.5 NMR 1C Shift (8) | H Shift (6) 'H Integration | 'H Splitting Assignment