Molecular Structure A Homework Unanswered Below are an infrared and mass spectrum for a molecule with the empirical formula C₂H4O. Which of the following molecules would be consistent with these data? a A b B с с 0.8 d D 0.6 0.4 0.2 C-H A 3000 INFRARED SPECTRUM C=O 2000 Wavenumber (cm-1) C-C Unanswered • 3 attempts left 1000 Rel. Intensity 100 80 60 40 20 Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. 0.0 10 20 MASS SPECTRUM C 30 m/z 40 is i of B 50 D Submit

Molecular Structure A Homework Unanswered Below are an infrared and mass spectrum for a molecule with the empirical formula C₂H4O. Which of the following molecules would be consistent with these data? a A b B с с 0.8 d D 0.6 0.4 0.2 C-H A 3000 INFRARED SPECTRUM C=O 2000 Wavenumber (cm-1) C-C Unanswered • 3 attempts left 1000 Rel. Intensity 100 80 60 40 20 Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. 0.0 10 20 MASS SPECTRUM C 30 m/z 40 is i of B 50 D Submit

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...

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Molecular formula: C10H1802 ¹H spectrum 1H, t J = 6.2 Hz 13C spectrum 180 160 2H, d J = 6.2 Hz 140 120 PPM 100 PPM 80 3H, s 60 3H, s 9H, s 40 20
5 Molecular formula = C7H₂O₂X, where X is an atom you have to determine MS: Shows molecular ion peaks of near equal intensity at m/z = 204 and m/z = 206 IR: strong absorption at 1699 cm.¹ 3H 2H 2H 160 2H 140 120 100 PPM 80 PPM 60 2 peaks 40 ¹H spectrum 13C spectrum 20
Amplitude ° Use the supplied NMR spectrum to gain insight into methyl silicylate. Decipher the spectrum by assigning hydrogen peaks in the molecule and include it with your report. 15- 10- 5- x103 12 ہیں OH Spectrum Scan [1/1] Oil of Wintergreen START END VALUE 11.21 10.47 0.98 8.30 6.41 4.00 5.55 5.04 0.40 4.47 3.45 3.00 мили ៖ 10 8 6 ppm 2
Assign the hydrogens from C9H10O to the spectra
Can someone explain how the answer is 221.1416? Im getting 209.169003
label major peaks
Typo: The chemical formula is missing an oxygen. It should read as: C10H1202. Choose the correct structure of the compound with the following data. Formula: C10H120 100 - 50 4000 3000 2000 1500 1000 500 Wavenumber (3) (2) (5) múltiplet (2) 9 8 6 4 PPM II Ph - C-о-сH,CH-CH3 || Ph-c-CH2 -0-CH2CH3 || Ph -C- CH2CH2-0- CH3 A) B) Structure A O Structure B Structure C O=U O=U O=U Transmittance
Please help to identify Peaks cm -1 - - - - - Intensity /shape - - - - - Assignment - - - - What is the water identity ?
TH f) C9H10O2 13 12 11 11 % Transmittance 95 90 85 80 75 70 65 60 55 45 50 3500 Propose a chemical structure 3250 GIVE 10 10 9 pom 3000 2750 2500 2250 Wavenumbers (cm-1) ©2019, Sigma-Aldrich Co. ALL RIGHTS RESERVED ATR 300 MHz ¹H NMR In CDC13 & DM SO-d6 2 doublets 44 2000 8 7 5 6 ©2019, Sigma-Aldrich Co. ALL RIGHTS RESERVED 1750 4 1500 3H tnplet 2H quartet 3 2 1