With reference to the IR and NMR spectra of ethyl 4-aminobenzoate (benzocaine) given below, answer the following. % Transmittance 100 80 60 9 20 0 4000 3500 Am • Carbonyl bond 3000 2500 my Type response here Aromatic ring (C-C and C-H bonds) Type response here 2000 Wavenumber (cm) 1500 Which IR signals indicate the presence of the following structural features? • NH bond (How can you tell from the IR if the amine is primary or secondary?) Type response here 1000

With reference to the IR and NMR spectra of ethyl 4-aminobenzoate (benzocaine) given below, answer the following. % Transmittance 100 80 60 9 20 0 4000 3500 Am • Carbonyl bond 3000 2500 my Type response here Aromatic ring (C-C and C-H bonds) Type response here 2000 Wavenumber (cm) 1500 Which IR signals indicate the presence of the following structural features? • NH bond (How can you tell from the IR if the amine is primary or secondary?) Type response here 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
Identify the fragments of hexanoic acid in the mass spectrum.
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.
Give me a clear handwritten answer with explanation
Question 5 The infrared spectrum below is for a compound of formula CgH21 N. What is the most likely functional group this compound has? LOD TRANSMITTANCEI% 50 D 4000 O alcohol O primary amine O secondary amine O tertiary amine O amide Ⓒaldehyde O ketone O carboxylic acid O ester O monosubstituted alkene O cis alkene O trans alkene O trisubstituted alkene O gem alkene (R₂C=CH₂) O aromatic 3000 2000 m HAVENUMBERI -11 1500 1000 500
Q1/ Which of these molecules best corresponds to the IR spectrum below, Explain ? a) pentane-2-one b) ethyl phenyl ketone c) propyl benzene d) butyric acid % Transmittance 100 50 0 4000 3000 2000 1-2-Butanone ,3-Butene -2-one 2-benzaldehyde. benzophenone 1500 Wavenumber (cm³) 1000 Q2/A) Identify the characteristic signals the you would expect in the diagnostic region of an IR spectrum of the following compounds. Explain? 500 B) Rank each of the bonds identified in order of increasing wave number, explain? N H OH H хори хто умри хрон это R-CEN
Which of the two IR spectra shown below refers to a carboxylic acid? Explain your answer with IR frequency values.
Hi, please help me to interpret this IR spectrum of Aspirin (acetylsalicylic acid)
2. (Chapter 13 - Q58b) The compound whose H NMR spectrum is shown has the molecular formula C7H7B1. Follow the following questions to predict the unknown structure. Chem. shift Rel. area 2.31 1.50 701 1.00 7.35 1.00 TMS 10 7 6 O ppm 4 3 2 Chemical shift (8) e20s Cenge leaming 2(a) Degree of the unsaturation of this compound is= 2(b) The two distinct peaks in the aromatic region of the H NMR indicate that compound is .disubstituted = 2(c) The splitting pattern of the peak at 2.31 ő is = 2(d) The group that corresponds to the splitting pattern in 1(c) is = 2(e) This compound has the plane of symmetry Yes or No = 2(f) The name of the unknown compound = Intensity
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.
Using our Table of Infrared Absorbances, which functional group absorbs at 1,725, 2,720 and 2,820 cm-1 ? These three peaks are definitive/diagnostic/mean this group is really there. carboxylic acid amide amine aldehyde ketone
Which of the following functional group can be predicted with the IR spectrum shown? 2150 cm1 3320 cm 2950 cm1 4000 3500 3000 2500 2000 1500 1000 Ketone carboxylic acid Alkyne Primary amine Alkene