Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 19, Problem 19.36P
Interpretation Introduction
Interpretation:
The chemical equation for the formation of acetaminophen should be written.
Concept introduction:
Reaction of a phenol with an acetic anhydride in presence of acid catalyst gives an acetyl product. This reaction is known as acetylation.
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1. What type of reaction explains the solubility of phenol in Sodium Hydroxide? Explain the organic product formed
2. How do the reactions of phenol samples with FeCl3 compare? Which structural component of the phenols account for the observation?
3. What compound is the precipitate formed in the Bromine water test?
4. Write the reaction formed in the formation of phenolphthalein. Identify the functional group in phenolphthalein , which is responsible for the indicator property.
5. What is the significance of Millon's test?
Write the chemical equation for the acid dissociation of acetaminophen, C8H9O2N.
Write the Ka expression for the acid dissociation of acetaminophen.
1. Arrange the test samples in order of increasing reactivity with sodium bicarbonate? Explain briefly
-Ethanoic acid, Butanoic acid, Benzoic acid
2. Arrange the test samples in order of increasing solubility in water? Explain briefly.
-Ethylamine, Diethylamine, Aniline
3. Arrange the test samples in order of increasing basicity? Explain briefly.
-NaOH, Ethylamine, Aniline
Chapter 19 Solutions
Introduction to General, Organic and Biochemistry
Ch. 19.1 - Prob. 19.1PCh. 19.4 - Problem 19-2 Complete the equation for each...Ch. 19.4 - Prob. 19.3PCh. 19 - Prob. 19.4PCh. 19 - Write the IUPAC name for each compound.Ch. 19 - Prob. 19.6PCh. 19 - Prob. 19.7PCh. 19 - Prob. 19.8PCh. 19 - Prob. 19.9PCh. 19 - 0 Complete the equations for these reactions.
Ch. 19 - Prob. 19.11PCh. 19 - Prob. 19.12PCh. 19 - Prob. 19.13PCh. 19 - Prob. 19.14PCh. 19 - Prob. 19.15PCh. 19 - 6 Why are Dacron and Mylar referred to as...Ch. 19 - 7 What type of structural feature do the...Ch. 19 - Prob. 19.18PCh. 19 - Prob. 19.19PCh. 19 - 0 Show how triphosphoric acid can form from three...Ch. 19 - 1 Write an equation for the hydrolysis of...Ch. 19 - 2 (Chemical Connections 19A) Locate the ester...Ch. 19 - Prob. 19.23PCh. 19 - Prob. 19.24PCh. 19 - Prob. 19.25PCh. 19 - Prob. 19.26PCh. 19 - Prob. 19.27PCh. 19 - 8 (Chemical Connections 19C) Once it has been...Ch. 19 - Prob. 19.29PCh. 19 - Prob. 19.30PCh. 19 - Prob. 19.31PCh. 19 - Prob. 19.32PCh. 19 - Prob. 19.33PCh. 19 - 4 (Chemical Connections 19F) Why do Lactomer...Ch. 19 - Prob. 19.35PCh. 19 - Prob. 19.36PCh. 19 - Prob. 19.37PCh. 19 - 8 In Chapter 22, we will discuss a class of...Ch. 19 - Prob. 19.39PCh. 19 - Prob. 19.40PCh. 19 - Prob. 19.41PCh. 19 - Prob. 19.42PCh. 19 - Prob. 19.43PCh. 19 - Prob. 19.44PCh. 19 - Prob. 19.45PCh. 19 - Prob. 19.46PCh. 19 - Prob. 19.47PCh. 19 - Prob. 19.48PCh. 19 - Prob. 19.49P
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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
Write an equation for the acid-base reaction between 2,4-pentanedione and sodium ethoxide and calculate its equilibrium constant, Keq. The pKa of 2,4-pentanedione is 9; that of ethanol is 15.9.
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1. What type of reaction explains solubility of phenol in sodium hydroxide? Explain the organic product formed.
2. How do the reactions of phenol samples with FeCl3 compare? Which structural component of the phenols account for the observation
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1. Dimethyl disulfide, CH,S-SCH, found in the vaginal secretions of female hamsters, acts as a sexual attractant for the male hamster. Write an equation for its synthesis from methanethiol.
2. Write an equation for the reaction of ethylene oxide with
a. I mole of HCI
b. excess HCI
c. phenol +H
d. phenylmagnesium bromide
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3. You are given a mixture of aspirin, phenol, and naphthalene that you need to separate. i) Draw the structures of each, and identify if they are acidic, basic, or neutral compounds. For each compound draw their reaction with the appropriate acidic or basic conditions that will change their solubility and allow them to be separated. ii) What modifications would you have to make to the experimental protocol in order to separate these three compounds? Provide specifics.
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7 (a) Describe what happens when each of the following molecules is separately dissolved in water and illustrate with an equation in each case:
ethanoic acid (CH3COOH)
ammonia (NH3)
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1. Arrange the test samples in order of increasing acidity? Explain briefly.
-Ethanoic acid, Butanoic acid, Benzoic acid, Salicylic acid
2. Arrange the test samples in order of increasing reactivity with sodium bicarbonate? Explain briefly
-Ethanoic acid, Butanoic acid, Benzoic acid
3. Arrange the test samples in order of increasing solubility in water? Explain briefly.
-Ethylamine, Diethylamine, Aniline
4. Arrange the test samples in order of increasing basicity? Explain briefly.
-NaOH, Ethylamine, Aniline
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2 Describe the trends in the acidityand physical properties of carboxylicacids
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Carboxylic acids are acidic enough to dissolve in both 10% NaOH and NaHCO3. Phenols, ArOH, are weak acids and most phenols will not dissolve in 10% NaHCO3. How would you separate a mixture of a carboxylic acid (RCOOH), an amine (RNH2), a phenol (ArOH) and a hydrocarbon (RH) using chemically active extraction? Draw a flow chart to illustrate your separation. Show each species in the aqueous and organic layers.
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At pH 11 the phenol deprotonates, Why is the pka now 10, give relationship between pka and pH during deprotonation
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2-cyanophenol (pka 7.0) is even more acidic than the 4-cyanophenol isomer. Propose an explanation of why it is so.
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What is the conjugate acid of 3-nitroaniline when it reacts with HCl?
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The mixture contains benzoic acid, 2-napthol, and naphthalene. Dissolve the mixture in the polar solvent ether. When you react the mixture with 10% NaHCO3(sodium bicarbonatea weak base in aqueous solution) reacts with benzoic acid and forms sodium benzoate an ionic compound (similar to NaCl) that dissolves in aqueous solution (heavier than ether in density) and goes to the bottom of the centrifuge tube or to the bottom of the separatory funnel forming two layers. Then remove the bottom aqueous layer and collect in a beaker labeled as bicarbonate extract. Acidify the bicarbonate extract in the beaker to give benzoic acid. The top ethereal layer contains in the centrifuge tube or separatory funnel 2-napthol and naphthalene. To this top layer add 10% NaOH (sodium hydroxideis a strong base in aqueous solution reacts with only 2-napthol, a weak acid forming 2-napthoxide an ionic compound soluble in aqueous solution (similar to NaCl) that goes to the bottom of the centrifuge tube or to…
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