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Compound 1, was found to consist of C,H,N, and Cl with an elemental analysis of 61.1% C, 2.9% H, and 10.2% N. IR Spectra displayed absorbances at 2215, 1605. Deduce the structure of this compound. (there is only one Cl)
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- Name the following compounds A and B. How could you distinguish these two molecules by using 1H NMR and IR techniques? Propose an analytical technique to determine the iron content of these compounds. Calculate the mass percentages of C and H of compound B (C: 12.01 g/mol; H: 1.008 g/mol; Fe: 55.845 g/mol).There are two isometric compounds given below. Discuss how they might be distinguished using IR, 1H NMR and 13C NMR spectroscopy for each compound.Identify the structures of isomers H and I (molecular formula C8H11N).a.) Compound H: IR absorptions at 3365, 3284, 3026, 2932, 1603, and1497 cm−1 b.) Compound I: IR absorptions at 3367, 3286, 3027, 2962, 1604, and1492 cm−1
- Compounds A and B absorb in the UV region. Compound A exhibits an absorption maximum at 267 nm (a=157) and a trailing shoulder at 312 nm (a=12.6). Compound B has an absorption maximum at 312 nm (a=186) and does not absorb at 267 nm. A solution containing the two compounds exhibits absorbances (using a 1-cm cell) of 0.726 and 0.544 at 267 and 312 nm, respectively. What is the concentration of B in mg/L? 2.16 x 10-3 mg/L 4.62 x 10-3 mg/L 5.02 x 10-2 mg/L 2.61 x 10-3 mg/L -3 4.26 x 10¬ mg/L 3.46 x 10-8 mg/L08) The NMR spectra of the two isomeric compounds with formula C3H5ClO2 are shown in letters a and b. Low-field protons appearing in the NMR spectrum around 12.1 and 11.5 ppm, respectively, are shown highlighted. Draw the structures of the isomers.Shown are the H NMR spectra for 2 isomeric compounds three and four of the formula C5H10O. The IR spectrum of both have an absorption in the region of 1700 to 1730 cm-1. Provide the structure for each compound, and which hydrogen atoms give rise to the peaks in each spectrum. The peak at 7.27 ppm can be ignored, and the red numbers are integration values.
- Compound p,c6h14O does not react w/sodium metal,doesn't discharge the color of Br2 in ccl4, the H-NMR spectrum shows 2 signal,a 12H doublet at 1.1, and a 2h sextet at 3.6. Propose a structure for this compound,p.The 1H and 13C NMR spectra of compound A, C8H9Br are shown below. Answer the following questions. 1(a) Degree of the unsaturation of this compound is = , 1(b) The derived unsaturation number indicates that compound has ............= 1(c) Two peaks in between 6.5 - 8.0 δ indicate that compound is= 1(d) According to the splitting pattern of the peak at 1.20 δ and 2.58 δ indicates that compound has a .................. group= 1(e) According to the 1H NMR spectrum the number of nonequivalent aromatic proton sets in the compound = 1(f) According to the 13C NMR, the number of nonequivalent carbons in the compound is = 1(g) According to your answer in Q 1(f) the compound has a plane of symmetry Yes or NO = 1(h) The IUAC name for this unknown compound isNOT TOO SURE ABOUT MY ANSWERS, PLEASE CORRECT ME IF I'M WRONGTreatment of compound D with LiAlH4 followed by H2O forms compound E. D shows a molecular ion in its mass spectrum at m/z = 71 and IR absorptions at 3600–3200 and 2263 cm−1. E shows a molecular ion in its mass spectrum at m/z = 75 and IR absorptions at 3636 and 3600–3200 cm−1. Propose structures for D and E from these data and the given 1H NMR spectra.
- Please provide the structure of a compound with the molecular formula C8H8O2 using the IR, 1H-NMR. Assign all the appropriate peaks in the IR and NMR spectra and with a short narrative describing what structural information each piece of data provided.Compound B has molecular formula C9H10. The IR spectrum is shown below. The 1H-NMR spectrum shows a multiplet at 7.2 ppm integrating to 4H, a triplet at 2.9 ppm integrating to 4H, and a triplet at 2.1 ppm integrating to 2 H. Suggest a structure for B and explain your reasoningTreatment of compound E (molecular formula C4H8O2) with excessCH3CH2MgBr yields compound F (molecular formula C6H14O) afterprotonation with H2O. E shows a strong absorption in its IR spectrum at1743 cm−1. F shows a strong IR absorption at 3600−3200 cm−1. The 1HNMR spectral data of E and F are given. What are the structures of E andF?Compound E signals at 1.2 (triplet, 3 H), 2.0 (singlet, 3 H), and 4.1 (quartet, 2 H) ppm Compound F signals at 0.9 (triplet, 6 H), 1.1 (singlet, 3 H), 1.5 (quartet, 4H), and 1.55 (singlet, 1 H) ppm