Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Chapter 14.14, Problem 25P
Interpretation Introduction
Interpretation:
The reason why
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Chapter 14 Solutions
Organic Chemistry
Ch. 14.1 - Which of the following fragments produced in a...Ch. 14.2 - What distinguishes the mass spectrum of...Ch. 14.2 - What is the most likely m/z value for the base...Ch. 14.3 - Prob. 5PCh. 14.3 - If a compound has a molecular ion with an...Ch. 14.3 - a. Suggest possible molecular formulas for a...Ch. 14.3 - Identify the hydrocarbon that has a molecular ion...Ch. 14.4 - Predict the relative intensities of the molecular...Ch. 14.5 - Which molecular formula has an exact molecular...Ch. 14.5 - Prob. 11P
Ch. 14.6 - Sketch the mass spectrum expected for...Ch. 14.6 - The mass spectra of 1-methoxybutane,...Ch. 14.6 - Prob. 14PCh. 14.6 - Identify the ketones responsible for the mass...Ch. 14.6 - Prob. 16PCh. 14.6 - Using curved arrows, show the principal fragments...Ch. 14.6 - The reaction of (Z)-2-pentene with water and a...Ch. 14.9 - Prob. 19PCh. 14.9 - Prob. 20PCh. 14.9 - Prob. 21PCh. 14.13 - Prob. 22PCh. 14.14 - Which occur at a larger wavenumber: a. the C O...Ch. 14.14 - Prob. 24PCh. 14.14 - Prob. 25PCh. 14.14 - Rank the following compounds from highest...Ch. 14.14 - Which shows an O H stretch at a larger...Ch. 14.15 - Prob. 28PCh. 14.15 - a. An oxygen-containing compound shows an...Ch. 14.15 - Prob. 30PCh. 14.15 - For each of the following pair of compounds, name...Ch. 14.16 - Which of the following compounds has a vibration...Ch. 14.16 - Prob. 33PCh. 14.17 - A compound with molecular formula C4H6O gives the...Ch. 14.19 - Prob. 35PCh. 14.19 - Prob. 36PCh. 14.20 - Predict the max of the following compound:Ch. 14.20 - Prob. 38PCh. 14.21 - a. At pH = 7 one of the ions shown here is purple...Ch. 14.21 - Prob. 40PCh. 14.22 - Prob. 41PCh. 14.22 - Prob. 42PCh. 14 - In the mass spectrum of the following compounds,...Ch. 14 - Prob. 44PCh. 14 - For each of the following pairs of compounds,...Ch. 14 - Draw structures for a saturated hydrocarbon that...Ch. 14 - a. How could you use IR spectroscopy to determine...Ch. 14 - Assuming that the force constant is approximately...Ch. 14 - In the following boxes, list the types of bonds...Ch. 14 - A mass spectrum shows significant peaks at m/z. =...Ch. 14 - Prob. 51PCh. 14 - Prob. 52PCh. 14 - Prob. 53PCh. 14 - How can you use UV spectroscopy to distinguish...Ch. 14 - Rank the following compounds from highest...Ch. 14 - Rank the following compounds from highest...Ch. 14 - What peaks in their mass spectra can be used to...Ch. 14 - Each of the IR spectra shown below is accompanied...Ch. 14 - Prob. 59PCh. 14 - Prob. 60PCh. 14 - How can IR spectroscopy distinguish between...Ch. 14 - 62. Draw the structure of a carboxylic acid that...Ch. 14 - Prob. 63PCh. 14 - Give approximate wavenumbers for the major...Ch. 14 - Prob. 65PCh. 14 - Prob. 66PCh. 14 - Prob. 67PCh. 14 - The IR spectrum of a compound with molecular...Ch. 14 - Which one of the following live compounds produced...Ch. 14 - Prob. 70PCh. 14 - Phenolphthalein is an acid-base indicator. In...Ch. 14 - Which one of the following five compounds produced...Ch. 14 - The IR and mass spectra for three different...
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- The 1H NMR spectra of two carboxylic acids with molecular formula C3H5O2Cl are shown below. Identify the carboxylic acids. (The “offset” notation means that the farthest-left signal has been moved to the right by the indicated amount to fit on the spectrum; thus, the signal at 9.8 ppm offset by 2.4 ppm has an actual chemical shift of 9.8 + 2.4 = 12.2 ppm.)arrow_forwardWhich functional group, except alkane, is presence in the following IR spectrum? INFRARED SPECTRUM Relative Transmittance 0.96 0.92 carboxylic acid ether alcohol alkene 3000 2000 Wavenumber (cm-1) m 1000arrow_forwardAssign the peaks in the spectrum to the functional groups in n-butyl acetate. Microns (µm) 2.5 3.0 3.5 4.0 5.0 6.0 8 10 15 20 100 a 2787 cm-1 1083 cm-1 2965 cm- 1742 cm 1246 cm-1 4000 3500 3000 2500 2000 1500 1000 500 Wavenumber (cm1) C=O peak =| С-Н рeak C-O peak Submit Transmittance (%)arrow_forward
- The two mass spectra below correspond to two isomers of C4H10O: 1-butanol and 2-butanol. Match the spectrum with the appropriate compound. Place the m/z ratio and the structures for the labeled fragments in the table below. 100 Compound 00 2 GO 40 - 1 20 - 10 20 30 40 50 60 70 80 90 100 m/ 7 100 Compound 3 80 60 40 20 0 TH 10 15 20 25 30 35 40 45 50 55 60 65 70 75 m/z Fragment 1 Fragment 2 Fragment 3 Fragment 4 m/z Fragment Relative Intensity Re-ative Intersityarrow_forwardPLEASE EXPLAIN AND Assign each spectrum to one compound following two mass spectra represent 1-bromo-4-ethylbenzene and (1-bromoethyl)benzene, respectively.arrow_forward3-Pentanol can be oxidized to 3-pentanone using sodium dichromate. How can the completeness of conversion be gauged using IR spectroscopy? The absence of a strong, broad O-H peak (1700 cm-1) The absence of a strong C=0 peak (3200-3600 cm-1) The absence of a strong broad O-H peak (3200-3600 cm-1) The Presence of a strong C-H peak (2800-3000cm-1) The absence of a wake snarp 0-H peak (3200-3600 cm-1)arrow_forward
- Compare the 13C NMR spectra of 2-ethyl-3-hydroxyhexanal and 2-ethylhex-2-enal. Describe for differences in structure that account for the most significant differences between these two spectra and which peaks shifted most significantly.arrow_forwardThe 13C-NMR spectrum of 3-methyl-2-butanol shows signals at d 17.88 (CH3), 18.16 (CH3), 20.01 (CH3), 35.04 (carbon-3), and 72.75 (carbon-2). Account for the fact that each methyl group in this molecule gives a different signal.arrow_forwardThe 1H-NMR spectrum of 1,3-propanediol (HO-CH2-CH2-CH2-OH) shows a quintet at 1.81 ppm, a singlet at 2.75 pm, and a triplet at 3.83 ppm. Assign each signal to the protons it corresponds to in the molecule. Explain the splitting pattern observed for each signal.arrow_forward
- You have a sample of a compound of molecular formula C11H15NO2, which has a benzene ring substituted by two groups, (CH3)2N− and −CO2CH2CH3, and exhibits the given 13C NMR. What disubstituted benzene isomer corresponds to these 13C data?arrow_forwardNeed in 10minsarrow_forwardWhat are the functional groups in Camphor and Isoborneol? What peaks show up in their respective IR spectrum + wavenumber (cm-1)arrow_forward
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