Organic Chemistry - Standalone book
10th Edition
ISBN: 9780073511214
Author: Francis A Carey Dr., Robert M. Giuliano
Publisher: McGraw-Hill Education
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Chapter 14, Problem 49P
Deduce the structure of a compound having the mass, IR, and
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The H1H1 NMR spectrum shown corresponds to an unknown compound with the molecular formula C6H10C6H10. There are no strong IR bands between 2100 and 2300 or 3250 and 3350 cm−1. Deduce and draw the structure of the molecule that corresponds to the spectrum.
Mass spectrometry of an unknown compound revealed a
molecular ion at m/z 121.09. The IR spectrum, the 13C NMR
spectrum, and the 'H NMR spectrum are shown below. Draw
the structure of this compound.
what is is the structure of a compound of molecular formula c 10 h 14 o 2 that shows a strong ir absorption at 3150-2850 cm − 1 and give the following 1 h nmr absorptions: 1.4 (triplet, 6 h), 4.0 (quarter, 4h), and 6.8 (singlet, 4h) ppm?
Chapter 14 Solutions
Organic Chemistry - Standalone book
Ch. 14.3 - Prob. 1PCh. 14.3 - Prob. 2PCh. 14.4 - The 1H NMR signal for bromoform (CHBr3) appears at...Ch. 14.5 - identify the most shielded and least shielded...Ch. 14.5 - (a) Assign the chemical shifts 1.6, 2.2, and 4.8...Ch. 14.5 - Assign the chemical shifts 1.1, 1.7, 2.0, and 2.3...Ch. 14.5 - Assign the chemical shifts 1.6, 4.0, 7.5, 8.2, and...Ch. 14.6 - The 300-MHz 1H NMR spectrum of 1,4-dimethylbenzene...Ch. 14.6 - Prob. 9PCh. 14.6 - How many signals would you expect to find in the...
Ch. 14.7 - Describe the appearance of the 1H NMR spectrum of...Ch. 14.8 - Describe the appearance of the 1H NMR spectrum of...Ch. 14.11 - Prob. 13PCh. 14.11 - Prob. 14PCh. 14.12 - Hydrogen bonding between the oxygen of dimethyl...Ch. 14.14 - Prob. 16PCh. 14.15 - The 13C NMR spectrum of 1-bromo-3-chloropropane...Ch. 14.15 - Consider carbons x, y, and z in p-methylanisole....Ch. 14.15 - Prob. 19PCh. 14.16 - To which of the compounds of Problem 14.16 does...Ch. 14.18 - DEPT spectra for a compound with the formula...Ch. 14.20 - Vibrational frequencies are sensitive to isotopic...Ch. 14.21 - Prob. 23PCh. 14.22 - Prob. 24PCh. 14.23 - Prob. 25PCh. 14.23 - Which one of the C5H8 isomers shown has its max at...Ch. 14.24 - Knowing what to look for with respect to isotopic...Ch. 14.24 - The base peak appears at m/z105 for one of the...Ch. 14.24 - Mass spectra of 1-bromo-4-propylbenzene and...Ch. 14.25 - Prob. 30PCh. 14 - Each of the following compounds is characterized...Ch. 14 - Deduce the structure of each of the following...Ch. 14 - From among the isomeric compounds of molecular...Ch. 14 - The H1NMR spectrum of fluorene has signals at 3.8...Ch. 14 - Prob. 35PCh. 14 - H1NMR spectra of four isomeric alcohols with...Ch. 14 - Prob. 37PCh. 14 - We noted in Section 14.13 that an NMR spectrum is...Ch. 14 - Identify each of the C4H10O isomers on the basis...Ch. 14 - A compound (C3H7ClO2) exhibited three peaks in its...Ch. 14 - Label nonequivalent carbons in the following...Ch. 14 - Compounds A and B are isomers of molecular formula...Ch. 14 - C13 NMR spectra for four isomeric alkyl bromides...Ch. 14 - Prob. 44PCh. 14 - Prob. 45PCh. 14 - Identify the C3H5Br isomers on the basis of the...Ch. 14 - Prob. 47PCh. 14 - A compound (C8H10O) has the IR and H1NMR spectra...Ch. 14 - Deduce the structure of a compound having the...Ch. 14 - Figure 14.53 presents IR, H1NMR, C13NMR and mass...Ch. 14 - H1NMR, C13NMR, IR, and mass spectra are shown for...Ch. 14 - 1H NMR and IR spectra for a compound with the...Ch. 14 - FriedelCraftsalkylation of benzene with...Ch. 14 - Prob. 54DSPCh. 14 - Prob. 55DSPCh. 14 - Prob. 56DSPCh. 14 - Prob. 57DSPCh. 14 - Prob. 58DSP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- 1) Which of the following compounds would have the following peaks on a proton NMR spectrum. a. 2-ethylbenzoic acid b. 4ethylbenzoic acid triplet at 1.75 ppm (3H) quartet at 2.25 ppm (2H) Split Quartet at 7.25 ppm(4H) Singlet at 11.00 ppm (1H) c. 3-ethylbenzoic acid d 3-phenylpropanoic acid.arrow_forwardIdentify the compound with molecular formula C8H10O that gives the IR and 1H NMR spectra shown here.arrow_forwardA compound has a molecular formula of CgH10 and exhibits the following 13C NMR spectrum. 8 144.24, 128.35, 127.89, 125.65, 28.96, 15.63 Which of the compounds listed below would be consistent with this structure?arrow_forward
- Using 1H NMR Spectroscopy to Distinguish Between Compounds How could 1H NMR spectroscopy be used to distinguish between compounds X and Y?arrow_forwardCompound X (molecular formula C10H120) was treated with NH2NH2, ¯OH to yield compound Y (molecular formula C10H14). Match the 1H NMR spectra of X and Y to the corresponding structures of X and Y. Compound NH2NH2 Compound 'H NMR of X 6 H OH Y 1 H 5H 8. 6. 4 ppm or H NMR of Y 6 H 2H 5H 1 H multiplet multiplet 8. 6. 4. 3. 1 nnm 2. 2. 3, O:arrow_forwardIn the 1H NMR spectra of 2-bromopropane (CH3)2CHBr and 1-bromopropane CH3CH2CH2Br, how many signals do you expect to see?arrow_forward
- Choose the structure corresponding to the given 1H and 13C NMR spectraarrow_forwardA compound has a molecular formula of C4H602 and exhibits the following 13C NMR spectrum. õ 177.95, 68.66, 27.78, 22.17 Which of the compounds listed below would be consistent with this structure? H.arrow_forwardAn unknown compound has the molecular formula C6H12O2. The compound shows a strong peak in its IR spectrum at 1700 cm-1. The 1H NMR data of the compound is given in the graph. Which structure corresponds to the unknown compound?arrow_forward
- What is the structure of a compound of molecular formula C1H1402 that shows a strong IR absorption at 3150-2850 cm1 and gives the following 'H NMR absorptions: 1.4 (triplet, 6 H), 4.0 (quartet, 4 H), and 6.8 (singlet, 4 H) ppm?arrow_forwardHow could you distinguish between these two compounds by spectroscopy? State which type you would use (IR, ¹H NMR, or 13C NMR) and what you would see for which compound. CH₂ butanal CH3arrow_forwardhow many signals in 1H NMR spectra will be detected in this structure?arrow_forward
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