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Three isomeric compounds A, B, and C, all have molecular formula
Compound A: IR peak at
Compound C: IR peaks at
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- A compound of formula C6H10O2 shows only two absorptions in the proton NMR: a singlet at 2.67 ppm and a singlet at2.15 ppm. These absorptions have areas in the ratio 2:3. The IR spectrum shows a strong absorption at 1708 cm-1. Proposea structure for this compound.arrow_forwardWhat is the structure of the compound with the formula C6H12O2, if it has a strong IR signal near 2900 and 1740 cm-1, the 1H-NMR spectrum is: 1.12 ppm (3H triplet) 1.25 ppm (6H doublet) 2.27 ppm (2H quartet) 5.02 ppm (1H septet)arrow_forwardAn unknown compound has a molecular formula of C4H6O2. Its IR spectrum shows absorptions at 3095, 1762, 1254, and 1118 cm -1. It exhibits the following signals in its 1H NMR spectrum (ppm): 2.12 (singlet,3H), 4.55 (doublets of doublets, 1H), 4.85 (doublet of doublets, 1H), 7.25 (doublets of doublets, 1H); and the following signals in its 13C NMR spectrum (ppm): 20.8, 100.4, 141.2, 168.0. Draw the structure of the unknown compoundarrow_forward
- Compounds B and C are isomers with molecular formula C5H9BrO2. The 1H NMR spectrum of compounds B and C are shown below. The IR spectrum corresponding to compound B showed strong absorption bands at 1739, 1225, and 1158 cm-1, while the spectrum corresponding to compound C have strong bands at 1735, 1237, and 1182 cm-1. 1.Based on the information provided, determine the structure of compounds B and C. 2.Assign all peaks in 1H NMR spectrum of compounds B and C.arrow_forwardThree isomeric compounds, A, B, and C, all have molecular formula C8H11N. The 1H NMR and IR spectral data of A, B, and C are given below. What are their structures?arrow_forwardAn aromatic compound, C9H12 has the following 1H NMR spectrum and a peak at 750 cm-1 in its IR spectrum. Answer the following questions. 4(a). The IR peak at 750 cm-1 in its IR spectrum indicate that the compound is ..............-disubstituted = 4(b) The name of the compound isarrow_forward
- Three isomeric compounds, A, B, and C, all have molecular formulaC8H11N. The 1H NMR and IR spectral data of A, B, and C are given below.What are their structures?arrow_forwardAn unknown compound X has the molecular formula C6H12O2. Compound X shows a strong peak in its IR spectrum at 1700 cm-1. The 1H NMR spectral data of compound X is given below. What is the structure of compound X?arrow_forwardThe 1H-NMR spectrum of Compound D of molecular formula C10H12O shows three singlets – δ 2.20 (6H, s), 4.86 (4H), 7.10 (2H) ppm. Its 13C-NMR spectrum has five signals – 20, 74, 127, 135, 146 ppm. Suggest a structure for this compound.arrow_forward
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- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning