(c) An organic compound with molecularC3H1404following spectral data :formulaexhibitedthe(i) MS : m/z = 174, 129, 101(üi) IR : 1736 cm¯1, 1095 cm¬1( i) ΗNMR8 = 1·29 (t),2:61 (s),4.19 (q) ppm(iv) 13C NMR : 8 = 10·13, 20·89 (DEPTinverted), 60-01, 171·09 ppmDeterminethestructureof thecompound with justification for the dataprovided.

The different types of spectroscopy helps us to confirm the unknown structure of the organic…

(c) An organic compound with molecular formula C3H1404 exhibited the following spectral data : (i) MS : m/z = 174, 129, 101 (ü) IR : 1736 cm-1, 1095 cm -1 ( i) Η ΝMR 8 = 1-29 (t), 2:61 (s), : 4-19 (q) ppm (iv) 13C NMR : 8= 10·13, 20·89 (DEPT inverted), 60·01, 171·09 ppm Determine the structure of the compound with justification for the data provided.

(c) An organic compound with molecular formula C3H1404 exhibited the following spectral data : (i) MS : m/z = 174, 129, 101 (ü) IR : 1736 cm-1, 1095 cm -1 ( i) Η ΝMR 8 = 1-29 (t), 2:61 (s), : 4-19 (q) ppm (iv) 13C NMR : 8= 10·13, 20·89 (DEPT inverted), 60·01, 171·09 ppm Determine the structure of the compound with justification for the data provided.

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

The mass spectrum of 1-propanol shows a large peak at m/z=31. Draw the structure of the fragment and explain why it is particularly stable.
Help needed with analyzing the H-NMR spectra and answering the table below. Thank you in advance! The molecule is 4-Bromo-2-nitroaniline
Using all the information provided come up with the structure of the compound
Identify and explain the IR absorption characteristics of the unknown C6H14O in the 1400 to 4000 cm-1 range. Then identify the class of the unknown compound C6H14O. At the broad peak I believe it is either an alcohol & phenol or an amine. For the second peak i think it is an alkane.
10.9 A compound of molecular formula C₂H₂ClO₂ has peaks at 55.8, 56.8, 112.9, 113.4, 116.2, 123.1, 149.5, and 153.9 in its proton- decoupled ¹3C NMR spectrum. Give the structure of the compound and assign as many signals as possible to the carbons in the structure.
Identify the major IR absorptions and write the name of the unknown compound and its structure.
4
A student takes an IR spectrum of an unknown compound. The IR spectrum shows significant stretches at 3159 cm³¹ (m, sh), 3089 cm ¹ (m, sh), 3000 cm ¹ (m, sh), 2997 cm-¹ (m, sh), 1620 cm-¹ (s, sh), 1494 cm-¹ (s, sh), and 1210 cm-¹ (s, sh). Which possible compound is it? Key: S = Strong, M = Medium, W = Weak, Sh = Sharp, Br = Broad Anisole Aniline O Acetanilide O Acetone O Phenol
18. Proton NMR spectra are given together with molecular formula. Propose a structure that corresponds to each spectrum. (Hint: Find IHD first). Assign peaks to show which protons give rise to which peaks 10 10 10 (b) C4H8O₂ Offset: 2.4 ppm (b) C₂H100 9 (c) CsHgO₂ 9 8 8 7 7 6 6 6 5 8 (ppm) OHz 5 8 (ppm) 4 3.08 2.98 2.88 2.78 8 (ppm) 50Hz 4 4 3 2 1 0 0
Consider the following Infrared spectrum. What functional group can you identify in the diagnostic region of the spectrum? % Transmittance 100 80 60 40 20 O alkene 0 4000 O alkyne O aldehyde O carboxylic acid O ketone 3500 3000 2500 2000 Wavenumber (cm-¹) 1500 z 1000
- (a) Compounds A and B having identical molecular formula C4H80 have the following C signals at d= 7 ·87, 29.43, 36. 87, 209· 28 ppm and 8 = 13·71, 15.69, 45· 85 and 202·80, respectively. DEPT gave a single-inverted peak for A and two inverted peaks for B. Predict the two structures of A and B, assign peaks and identify the functional groups. 13 %3D
What is the structure of the unknown? Determine it by analyzing the spectroscopic data given in IR, MS, 1H NMR, 13C NMR (Broadband decoupled with carbon types) and fully substantiate your answer with key supporting data from each spectrum.