4. The IR and the 'H NMR spectra of an unknown with a molecular formula of C₁1H14O3 are shown below. The questions that follow will guide you in the determination of its structure. a- Determine the degree of unsaturation. Show your calculation. b- Analyze three significant bands in the IR spectra below that conclude on the existing functions in the molecule. MICRONS 6 NICOLET 20SX FT-IR 17 18 19 3 26 27 28 29 3 3.5 4.5 5.5 9 10 11 12 13 14 15 16 21 22 N n 10 3800 3600 3400 3200 3000 2800 2600 2400 2200 1000 1600 WAVENUMBERS F E 2000 D 1800 1400 C 1200 B 800 A 600 10.0 0.1 02 82 58898222 104 05 06 0.7 08 0.9 1.0 20 450

4. The IR and the 'H NMR spectra of an unknown with a molecular formula of C₁1H14O3 are shown below. The questions that follow will guide you in the determination of its structure. a- Determine the degree of unsaturation. Show your calculation. b- Analyze three significant bands in the IR spectra below that conclude on the existing functions in the molecule. MICRONS 6 NICOLET 20SX FT-IR 17 18 19 3 26 27 28 29 3 3.5 4.5 5.5 9 10 11 12 13 14 15 16 21 22 N n 10 3800 3600 3400 3200 3000 2800 2600 2400 2200 1000 1600 WAVENUMBERS F E 2000 D 1800 1400 C 1200 B 800 A 600 10.0 0.1 02 82 58898222 104 05 06 0.7 08 0.9 1.0 20 450

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Section13.SE: Something Extra

Problem 56GP: Long-range coupling between protons more than two carbon atoms apart is sometimes observed when ...

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