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 52P
NMR and IR spectra for a compound with the formula
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View and analyze the given spectroscopic data of an unknown compound with molecular formula C8H10O. Propose a structure based on your analysis. Support your answer by interpreting the given spectroscopic data.
How to draw the line bond formula or lewis structure of a methyl ketone with the chemical formula C6H5C3H5O?
Based on the results of the solubility tests, the compound can be grouped in VI, which is insoluble in water, 10% NaOH and 10% HCl but soluble in concentrated H2SO4.
If the compound is water-insoluble but soluble in concentrated H2SO4, it is most probably an alcohol, aldehyde, anhydride, ester, ether, ketone, or an unsaturated hydrocarbon
The functional group/class is identified to be Methyl Ketone, base on the results of the chemical tests on Table 2.
CHEMICAL TEST
OBSERVATIONS
+(compound tested positive for the chemical reaction)/
otherwise (-)
Molisch test
turbid colorless solution
-
2,4-DNP test
formation of orange-yellow precipitates
+
Tollen’s test
turbid colorless solution
-
Ninhydrin test
clear pale-yellow solution
-
iodoform test
clear pale-yellow solution
+
A molecule with the molecular formula of C7H3O has a UV absorption of 282
nm. The IR spectrum of the molecule has absorbances at 3400 (broad), 1600,
1505, and 834 cm-¹. Draw a structure that best fits this data.
Drawing
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
- A postgraduate student wanted to synthesized two carbonyl compounds known as compounds M and N using oxidation of alcohol. However, these carbonyl compounds should have more than 6 carbon atoms. Draw two (2) possible structural formulae for compounds M and N. How would you distinguish between compounds M and N?arrow_forwardplease help me name this and explain the structure.arrow_forwardBriefly, but clearly, explain why the –OH hydrogen in acetic acid (CH3CO2H) is more acidic than in ethanol (C2H5OH).arrow_forward
- Ethanol, C2H5OH, and propane, C3H8, have approximately the same molar mass, yet ethanol has a much higher boiling point. Briefly explain why. Ethanol, C2H5OH, and dimethyl ether, CH3OCH3, have the same molar mass, yet ethanol has a much higher boiling point. Briefly explain why. Write an equation to show the reaction between ethanol, C2H5OH and methyllithium, CH3Li. Draw all non-bonding electrons and show electron flow with curved arrows. 37. Write an equation that shows the reaction between acetic acid (CH3COOH) and triethylamine (CH3CH2)3N. Draw all non-bonding lone electron pairs and show the electron flow with curved arrows.arrow_forward10)2-chloro propanaminearrow_forwardCompounds that contain an N-H group associate by hydrogen bonding. (a) Do you expect this association to be stronger or weaker than that of compounds containing an O-H group? (b) Based on your answer to part (a), which would you predict to have the higher boiling point, 1-butanol or 1-butanamine?arrow_forward
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- Specify whether the two structures are resonance contributors to the same resonance hybrid. Be sure to explain your reasoning. If yes, be sure to specify which is preferred and why. H3C-CH=CH-NH2 H,C-CH-CH=NH2arrow_forwardA number of substances containing positively polarized carbon atoms have been labeled as "cancer suspect agents" (i.e., suspected carcinogens or cancer-inducing compounds). It has been suggested that the presence of such carbon atoms is responsible for the carcinogenic properties of these molecules. Assuming that the extent of polarization is proportional to carcinogenic potential, how would you rank the compounds with regard to cancer-causing potency? Most carcinogenic Least carcinogenic Answer Bank (CH,), Si CH;Cl CICH, OCH,CI CH,OCH,CI (CH;), C*arrow_forwardIn an advanced synthetic chemistry experiment, a researcher prepares a compound, ZY-7, by reacting a ketone (C5H100) with hydroxylamine (NH2OH), followed by heating in the presence of an acid catalyst. The resulting compound, ZY-7, is then treated with a solution of sodium nitrite (NaNO2) and hydrochloric acid (HCI) at low temperature. Identify the class of compound that ZY-7 most likely belongs to after this series of reactions." A) Amide B) Oxime C) Nitro compound D) Diazonium salt E) Ester Don't use chatgpt please provide valuable answerarrow_forward
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