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Concept explainers
Interpretation:
The procedure for separation of a mixture of benzoic acid,
Concept Introduction:
Benzoic acid is a derivative of benzene; it consists of a
Phenols are also derivatives of benzene. In these compounds, the benzene ring bears a hydroxyl group. Phenols are also slightly soluble in water.
Benzene is a hydrocarbon in which six carbon atoms are joined by a ring with one hydrogen attached to each carbon. These are non-polar compounds, so they are soluble in organic solvents only.
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Chapter 20 Solutions
Organic Chemistry, 12e Study Guide/Student Solutions Manual
- Synthetize 3-phenyl-2-propenoic acid from benzaldehyde using whatever organic/inorganic reagents are needed. 3-phenyl-2-propenoic = 3-phenylacrylic acidarrow_forwardOxalic acid is found in the leaves of rhubarb, primarilyin the form of the calcium salt. Since high levels of oxalicacid are toxic, only rhubarb stalks are used to make strawberry rhubarb pie. What is the IUPAC name of oxalic acid?Write the structure of the calcium salt of oxalic acid.arrow_forwardWhen methanitrobenzoic acid is reacted with bromomethane in the presence of Lewis acids, which product occur.arrow_forward
- Methylparaben is a common preservative used in cosmetics. What carboxylic acid and alcohol are needed to synthesize methylparaben by Fischer esterifi cation?arrow_forwardllustrate with equation: Laboratory preparation of acetic acid Laboratory preparation of benzoic acid Laboratory preparation of salicylic acid Reduction of monocarboxylic acid Oxidation of monocarboxylic acidarrow_forwardprovide the reagents necessary to complete the following information.arrow_forward
- In the mid-1930s a substance was isolated from a fungus that is a parasite of ryes and other grasses. This alkaloid, lysergic acid, has been of great interest to chemists because of its strange, dramatic action on the human mind. Many derivatives of lysergic acid are known, some with medicinal applications. Perhaps the best known derivative of lysergic acid is the potent hallucinogen lysergic acid diethylamide (LSD): మగవా జి N-H LSD (CH25N;O) Like other alkaloids, LSD is a weak base, with Kp = 7.6 × 107. What is the pH of a 0.94 M solution of LSD? pH =arrow_forwardShow how to convert carboxylic acids to other functional groups, and devisemultistep syntheses using carboxylic acids as starting materials and intermediates.Explain how acid chlorides are used as activated derivatives of carboxylic acidsarrow_forwardSuppose you have a mixture of these three compounds. Devise a chemical procedure based on their relative acidity or basicity to separate and isolate each in pure form.arrow_forward
- Although p-hydroxybenzoic acid is less acidic than benzoic acid, o-hydroxybenzoic acid is slightly more acidic than benzoic acid. Explain this result.arrow_forward1. Illustrate with equation: Laboratory preparation of acetic acid Laboratory preparation of benzoic acid Laboratory preparation of salicylic acid Reduction of monocarboxylic acid Oxidation of monocarboxylic acid 2. Give three uses each: Acetic acid Benzoic acid Salicylic acidarrow_forwardEthyl butyrate, CH3CH2CH2CO2CH2CH3CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring. It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l)CH3CH2CH2CO2H(l)+CH2CH3OH(l)⟶H+CH3CH2CH2CO2CH2CH3(l)+H2O(l) A chemist ran the reaction and obtained 5.40 g of ethyl butyrate. What was the percent yield, The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 7.45g of butanoic acid and excess ethanol?arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningMacroscale and Microscale Organic ExperimentsChemistryISBN:9781305577190Author:Kenneth L. Williamson, Katherine M. MastersPublisher:Brooks ColeChemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
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