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 48P
A compound
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Many hunting dogs enjoy standing nose-to-nose with a skunk while barking furiously, oblivious to the skunk spray directed toward them. One moderately effective way of lessening the amount of odor is to wash the dog in a bath containing dilute hydrogen peroxide, sodium bicarbonate, and some mild dish detergent. Use chemical reactions to describe how this mixture helps to remove the skunk spray from the dog. The two major components of skunk oil are 3-methylbutane-1-thiol and but-2-ene-1-thiol.
Please Annotate the 1H NMR and 13C NMR. The structure is Cyclopentanone C5H8O :)
Explain why phenol (C6H50H) is substantially
more acidic than methanol (CH3OH), but
benzoic acid (C6H5CO2H) is not much more
acidic than acetic acid (CH3CO2H).
Нас — ОН
ОН
H3C-
ОН
OH
pKa = 15.5
pKa = 10.0
pk = 4.75
pk = 4.2
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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- 16-19 2-Me thy 1 propane (bp -12°C), 2-propanol (bp 82°C), and 2-propanamine (bp 32°C) all have approximately the same molecular weight, yet their boiling points are quite different. Explain the reason for these differences.arrow_forward17-69 Propanal (bp 49°C) and 1-propanol (bp 97°C) have about the same molecular weight, yet their boiling points differ by almost 50°C. Explain this fact.arrow_forwardWhich type of compound typically give 3 peaks ("bands") between approx. 1500-1600 cm in an IR spectrum? Select one: Carbonates Esters Alkaloids Aromatic compoundsarrow_forward
- 5 The compounds labeled benzophenone-3 (CH,O,) and benzophenone-5 (CHNAO,S) are found in certain sunscreens. Would you expect a sunscreen made with benzophenone-3 or benzophenone-5 to be more waterproof? Explain your choice.arrow_forwardPQ-16. What is the major product of this reaction? OH (A) (B) 2) H3O+ H (C) (D) Harrow_forwardDefine Characteristic Spectroscopic Absorptions of Aldehydes and Ketones ?arrow_forward
- The structure of an ester could either be A or B: CH3 O O CH3 T || -C-OCH3 CH3-C CH3-C-O-C-CH3 CH3 CH3 A B Its ¹H NMR spectrum consists of two peaks at 80.9 and 83.6 (relative areas 3:1). Which compound is it? Describe the spectrum that would be expected if it had been the other ester.arrow_forwardSeveral diamines are building blocks for the synthesis of pharmaceuticals and agro-chemicals. Show how both 1,3-propanediamine and 1,4-butanediamine can be prepared from acrylonitrile.arrow_forwardKetones undergo a reduction when treated with sodium borohydride, NaBH4. What is the structure of the compound produced by reaction of 2-butanone with NaBH4 if it has an IR absorption at 3400 cm-1 and M+=74 in the mass spectrum?arrow_forward
- 17-26 Account for the fact that acetone has a higher boiling point (56°C) than ethyl methyl ether (11°C) even though their molecular weights are almost the same.arrow_forwardThe 1H and 13C NMR spectra below belong to a compound with formula C6H10O2. Propose a structure for this compound.arrow_forwardNitriles, R–=C≡N, undergo a hydrolysis reaction when heated with aqueous acid. What is the structure of the compound produced by hydrolysis of propanenitrile, CH3CH2C≡N, if it has IR absorptions from 2500–3100 cm-1 and at 1710 cm-1, and has M+=74?arrow_forward
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