1. Propose structure formulas for each isomer of C7H140 in the boxes below based on the attached ...
16. Propose a structure for a molecule of formula CaHsCl which gave the following 1H NMR spectrum. PPM 17. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 148, an IR peak at 1680 cm'and gives the following H and 13C NMR spectra 3H зн 2H 2H 2H 3 5 2 7 6 4 PPM 160 140 180 60 220 200 20 0 120 100 80 40 PPM -
Molecule C: Molecule D: Can someone PLEASE EXPLAIN the answers?????? 2. Below are the 'H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra. Molecule A: 'H NMR 3H 3H no coupling, so no adjacent carbons with hydrogen atoms 2H 5 3 2 0 PPM 13C NMR aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0 Molecule...
use both spectra to determine the exact structure of the compound and put your final answer in the box with formula pul youl tmllal answer in the box under the 'H NMR Compound 29 3H 2H 1H 3 PPM 7 Please put your final answer in the box under the 'H NMR. Compound 29 20 40 140 120 100 8060 PPM 180 200 pul youl tmllal answer in the box under the 'H NMR Compound 29 3H 2H 1H 3...
1H NMR 6. Propose a structure for the compound CzH.O with the following 'H NMR spectral data. 2H 1H 3H 1110 H ppm 7. Propose a structure for the compound C2H60, with the following 'H NMR spectral data. (Note this is the same molecular formula as the previous question) ppm 8. Propose a structure for the compound C,He with the following 'H NMR spectral data. SH2H 1H ppm 9. Propose a structure for the compound CxHyN with the following 'H...
Fill in the blank s=singlet d= doublet q= quartet and so on also which molecule match the HNMR and CNMR spectra Observed 1H NMR and 13C NMR spectra: NMR Data Table for Predicting Expected Signals ЗН # of 'H Alcohol Ester Esterification Product with Acetic Acid # of 13C Ester NMR signals NMR signals 1H Ester NMR Integration & splitting (from left to right) HO Ethanol 4 3 3H(s), 2H(q), 3H(t) Ethyl acetate НО 1-Butanol Butyl acetate 2H 3H 4H...
Identify the structure and draw it based on the formula and the spectroscopy. Justify your answer MF CH40 47 MW 114 C 73.6 SH 12.4 3H 6H Copyright 1994 0.5 2.0 1.0 PPM 3.0 Poton NMR 2.5 1.5 180 160 140 200 80 120 100 20 PPM 0 Carbon 13 NMA ww ab sa ELITSM м М 6е 28 1500 180e 2000 2500 HAVENUMBERS 6H ЗН Copyright 1994 ST'S0T 1289.32 aL L9ET 20 89T 6L 8TLT ALE62 HAVENUMBERS ЗН ©1994...
Please explain Propose a suitable structure that is consistent with the spectroscopic data given below. Explain what each piece of data tells you about the molecule's structure. [10 point Draw you proposed structure here: Mass spec data m/z 208, 210 (1:1) strong absorbance @ 1700 cm IR Data doublet, 6H H NMR triplet, 3H triplet, 1H pentet, 2H septet, 1H 2 5 PPM 13C NMR 2 carbons 40 180 120 100 PPM 160 140 80 60 20 0
a) Provide the structure that is consistent with the data below. C7H14O2 IR (cm-1): 2950, 1750 1H NMR (d): 2.3 (2H, q), 1.0 (3H, t), 0.9 (9H, s) b) Deduce the identity of the compound from the data provided. C10H14O: IR (cm-1): 3200-3500 (broad), 3050, 2950, 1610 1H NMR(δ): 1.0 (s, 6H), 2.0 (s, 3H), 2.8 (broad s, 1H), 7.3 (d, 2H), 7.6 (d, 2H) c) An unknown compound, C3H5Cl3, gave the following proton NMR...
Provide the most likely chemical structure that corresponds to each set of spectral data 2. Formula: C6H120 IR: 2960 cm-- (strong), 2874 cm 2 (medium), 1716 cm2 (strong, sharp) "H NMR: 2H, doublet (2.312 ppm); 1H, multiplet (2.133 ppm); 3H, singlet (2.123 ppm); 6H, doublet (0.926 ppm) 13C NMR: 208 ppm, 53 ppm, 30 ppm, 24 ppm, 22 ppm 3. Formula: C4H100 IR: 3339 cm (broad, strong), 2957 cm (strong), 2874 cm (medium) "H NMR: 6H, doublet (0.9 ppm); 1H,...
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...