Consider the IR spectrum given below. Which statement BEST describes the functional groups present in this compound? TRANSMITTANCE 0.8 0.6 0.4 0.2 Carboxylic acid Saturated ketone 3000 Alcohol and aromatic ring Aromatic carboxylic acid O Aromatic aldehyde INFRARED SPECTRUM 2000 Wavenumber (cm-1) 1000

Consider the IR spectrum given below. Which statement BEST describes the functional groups present in this compound? TRANSMITTANCE 0.8 0.6 0.4 0.2 Carboxylic acid Saturated ketone 3000 Alcohol and aromatic ring Aromatic carboxylic acid O Aromatic aldehyde INFRARED SPECTRUM 2000 Wavenumber (cm-1) 1000

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

identify the carboxlyic acid and alcohol used. In the images there's an H NMR and IR spectrum of my product. Possible Acid: Buturic acid, hexanoic acid, benzoic acid, cinnamic acid Possible alcohol: Methanol, ethanol, 1-propanol, 2-propanol
A compound with a molecular formula of C5 H100 results in the following IR spectrum. What functional groups are most likely? Select all correct answers. Infrared Spectrum 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 3500 3000 2500 2000 1500 1000 Wavenumbers (cm-1) alcohol alkene ketone ether Transmitance
A compound with the molecular formula C5H₁002 has the following ¹H NMR spectrum: Proton NMR 5.0 4.5 4.0 3.5 3.0 2.5 6.33 Integration Values 19.4 37.9 Determine the number of proton(s) giving rise to the signal at 5 ppm. 0000 10 3 6 1 2.0 1.5 1.0 4 0.5 ppm
¹H-NMR Spectra 3 M.F. = C₂H₁3NO 1 S 10 -00 8 6 PPM 4 N 21 3 ſ 2[2] -~ 2 3 j
Comparison of specific functional group diagnostic peaks (C=O carboxylic acid, C-H, O-H carboxylic acid, O-H phenol, C=C) between Literature and Experimental spectra.
PART 2: NMR SPECTRA #1: C4H,Cl- no important IR peaks are seen. 3.5 2H 3.0 possible structure 2.5 300 MHz 'H NMR In CDC3 2.0 it wa 1.5 2H 2H 1.0 3H 0.5 0.0
Q2: The proton NMR spectrum is shown for a compound with formula C5H9NO4. The infrared spectrum displays strong bands at 1750 and 1562 cm-1 and a medium-intensity band at 1320 cm-1. The normal carbon- 13 and the DEPT experimental results are tabulated. Draw the structure of this compound. Normal Carbon DEPT-135 DEPT-90 14 ppm Positive No peak No peak 16 Positive 63 Negative No peak 83 Positive Positive 165 No peak No peak Proton spectrum C;H,NO4 0.92 2.01 3.00 3.00 5.0 4.5 4.0 3.5 3.0 25 2.0 1.5 10 0.5 0.0
Saturated aldehyde Aromatic aldehyde At what position would you expect to observe IR absorption for the carbonyl groups in the following molecules? Infrared Absorptions of Some Aldehydes and Ketones. Carbonyl type Absorption cm-1 1730 1705 Example CH3CHO PhCHO a,ẞ-Unsaturated H2C=CHCHO 1705 aldehyde Saturated ketone CH3 COCH3 1715 Cyclohexanone 1715 Cyclopentanone 1750 Cyclobutanone Aromatic ketone 1785 PhCOCH3 a,ẞ-Unsaturated ketone H2C=CHCOCH3 1685 1690 Molecule #1: Molecule #2: CHO CHO CH3 cm-1 cm -1
Please identify Molecule A, formed from the reaction shown, from the 13C NMR spectra shown. All peaks below are single peaks (no overlapping peaks). Inset is an expansion of the downfield section of the spectra.
The proton NMR and IR spectra of an unknown compounds is shown on the next page. Using the molecular formula C5H12O, find L a) the index of saturation b) the structure of the unknown compound c) assign the absorption bands to the functional groups in the IR spectrum d) label all peaks in the NMR spectrum, and label the same peak on the hydrogens in the structure Transmittance (%) 100 80 60 40 20 0 3500 CT TYCE Tabdf62 2874.30 2500 Wavenumber (cm-¹) 3000 2000 1466.09 1500 1307.78 1124.04 21 seser 908.46 1000 37.21
¹H-NMR Spectra 3 M.F. = C₂H₁3NO 1 S 10 -00 8 6 PPM 4 N 21 3 ſ 2[2] -~ 2 3 j
Shown are IR and H NMR spectra for an aldehyde/ketone compound. What is the structure of the compound?