Below is the ¹H NMR spectrum of a constitutional (structural) isomer of C9H100, with the integration given above each peak. In addition to other peaks not given here, the IR spectrum of the isomer showed a strong peak at ~ 1700 cm-1 Determine which of the structures given below the spectrum matches the ¹H NMR spectrum. H₂C 5 A C CH3 CH 3 B D PPM CH3 2 3

Below is the ¹H NMR spectrum of a constitutional (structural) isomer of C9H100, with the integration given above each peak. In addition to other peaks not given here, the IR spectrum of the isomer showed a strong peak at ~ 1700 cm-1 Determine which of the structures given below the spectrum matches the ¹H NMR spectrum. H₂C 5 A C CH3 CH 3 B D PPM CH3 2 3

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

Which of these choices best describes the interpretation of the following peak that may be recorded in a H NMR spectrum? 4.3 8 (1H, q). The underlined hydrogen atom is intended to be the one producing the peak that we are interpreting. O=C-CHCO2H O=C-CHCHX2 O=C-CHCH,X O=C-CHCH3 None of these interpretations describes this peak.
Determine the structure:A compound has an M+ peak of 104.Its proton NMR shows the following:1.3 ppm 3H triplet3.6 ppm 2H quartet4.1 ppm 2H singlet10.2 ppm 1H singlet, disappears when solvent is D2O. With the IR:
14 The following is the predicted ¹H-NMR spectrum for an unknown compound with molecular formula C6H₁4O. This compound is a liquid at room temperature, is slightly soluble in water, and reacts with sodium metal with the evolution of a gas. astered 1H 3 4 2H CH3 cl CH3CH₂CHCHCH3 a bl d OH f A Submit Answer Choose from the constitutional isomers below to assign a structure to this spectrum. Hint: this signal is a pair of overlapping 2H multiplets 1H PPM B b CH₂CH3 Retry Entire Group 5 a CH3CH₂CHCH₂OH a b c d e 3H 1 3H f CH3 CH3CH₂CH₂CHCH₂OH a b c d eg (Choose the letter corresponding to the correct structure from the drop-down list provided.) Correct Structure: A C Assign signal number 5 (indicated as a red number on the spectrum above) to the corresponding hydrogen(s) (shown as a red lower-case letter on the structure above). If relevant, consider the possibility of diastereotopic hydrogens with slightly different chemical shifts. 9 more group attempts remaining (Write the letter(s) of…
300 MHz 1H NMR spectra in CDCl3 are shown below for five of the six isomers of dimethylphenol. Match each spectrum to the appropriate compound and assign the resonances of the spectrum to the appropriate protons in the compound.
b) Propose structures for compounds of the following molecular formulas, using the spectra given below.Show your work
A student prepares a compound that she believes has the molecular formula C4H1002. Give a possible structure for this compound using the information from the following spectra. How many peaks will your proposed structure give in the 13C NMR? 1Η NMR singlet 3.25 (3 H) singlet 3.45 (2 H) IR nothing at 3500 cm-1 nothing at 1700 cm-1
How many different 13C-absorption lines and how many 'H- resonances (disregard splitting and assume that solvent exchange of acidic hydrogens does NOT take place) are observed in the spectrum of each of the following compounds? (H3C)3C-C(CH3)2 CI A H3C (H3C)3C B CH3 CH3 H₂C= -COOH C CH-CI H3C-C-CH Cl Br D
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.
Please don't provide handwriting solution
Draw the organic structure of the compound and mark its peaks on the spectra
Which of these choices best describes the interpretation of the following peak that may be recorded in a 'H NMR spectrum? 2.5 8 (2H, d). The underlined hydrogen atom is intended to be the one producing the peak that we are interpreting. O=C-CH,CO2H O=C-CH2CHX2 O=C-CH2CH2X O=C-CH2CH3 None of these interpretations describes this peak.