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mistry 212: First Recitation and Examination #1 practice problems 1. Epoxides are easily formed by the reaction of an alkene with a peroxy acid. Epoxides can be subjected to either acid or base catalyzed hydrolysis with ring opening. With these in mind, show the mechanism for the following reactions. a) Describe the mechanism and name the organic product(s) of hydrolysis of 2,3-epoxybutane in dilute acid. b) Describe the mechanism and name the organic product(s) of hydrolysis of propylene oxide with methylamine. How does this differ from acid catalyzed hydrolysis of the propylene oxide in the presence of methanol? 2. With reference to the structures of the compounds, give the approximate frequencies for distinctive peaks in the IR spectrum of the reactant and products of the following reactions [Problem 12-28 of textbook, page 604) a) Pinacol with dilute H2SO4/heat → Pinacolone b) Salicylic acid with CH3OH/dilute acid Methyl salicylate c) Cinnamaldehyde + NaBH/CH;OH Cinnamyl alcohol 3. A student set out to prepare di-n-propyl ether by the Williamson's method using ethanol as the solvent. The student isolated three different ethers from the reaction including the expected di-n- propyl ether. Give a reasonable mechanism to explain the production of the three different ethers from the reaction. low ace lecule ulene cannot be distinguished by proton NMR, but are easily distinguished by CMR. Describ isomers and why they are difficult to identify by proton NME 5. The three isomers of dimethylbenzene commonly named ortho-xylene, meta-xylene and para

mistry 212: First Recitation and Examination #1 practice problems 1. Epoxides are easily formed by the reaction of an alkene with a peroxy acid. Epoxides can be subjected to either acid or base catalyzed hydrolysis with ring opening. With these in mind, show the mechanism for the following reactions. a) Describe the mechanism and name the organic product(s) of hydrolysis of 2,3-epoxybutane in dilute acid. b) Describe the mechanism and name the organic product(s) of hydrolysis of propylene oxide with methylamine. How does this differ from acid catalyzed hydrolysis of the propylene oxide in the presence of methanol? 2. With reference to the structures of the compounds, give the approximate frequencies for distinctive peaks in the IR spectrum of the reactant and products of the following reactions [Problem 12-28 of textbook, page 604) a) Pinacol with dilute H2SO4/heat → Pinacolone b) Salicylic acid with CH3OH/dilute acid Methyl salicylate c) Cinnamaldehyde + NaBH/CH;OH Cinnamyl alcohol 3. A student set out to prepare di-n-propyl ether by the Williamson's method using ethanol as the solvent. The student isolated three different ethers from the reaction including the expected di-n- propyl ether. Give a reasonable mechanism to explain the production of the three different ethers from the reaction. low ace lecule ulene cannot be distinguished by proton NMR, but are easily distinguished by CMR. Describ isomers and why they are difficult to identify by proton NME 5. The three isomers of dimethylbenzene commonly named ortho-xylene, meta-xylene and para

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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mistry 212: First Recitation and Examination #1 practice problems 1. Epoxides are easily formed by the reaction of an alkene with a peroxy acid. Epoxides can be subjected to either acid or base catalyzed hydrolysis with ring opening. With these in mind, show the mechanism for the following reactions. a) Describe the mechanism and name the organic product(s) of hydrolysis of 2,3-epoxybutane in dilute acid. b) Describe the mechanism and name the organic product(s) of hydrolysis of propylene oxide with methylamine. How does this differ from acid catalyzed hydrolysis of the propylene oxide in the presence of methanol? 2. With reference to the structures of the compounds, give the approximate frequencies for distinctive peaks in the IR spectrum of the reactant and products of the following reactions [Problem 12-28 of textbook, page 604) a) Pinacol with dilute H2SO4/heat → Pinacolone b) Salicylic acid with CH3OH/dilute acid Methyl salicylate c) Cinnamaldehyde + NaBH/CH;OH Cinnamyl alcohol 3. A student set out to prepare di-n-propyl ether by the Williamson's method using ethanol as the solvent. The student isolated three different ethers from the reaction including the expected di-n- propyl ether. Give a reasonable mechanism to explain the production of the three different ethers from the reaction. low ace lecule ulene cannot be distinguished by proton NMR, but are easily distinguished by CMR. Describ isomers and why they are difficult to identify by proton NME 5. The three isomers of dimethylbenzene commonly named ortho-xylene, meta-xylene and para
Transcribed Image Text:mistry 212: First Recitation and Examination #1 practice problems 1. Epoxides are easily formed by the reaction of an alkene with a peroxy acid. Epoxides can be subjected to either acid or base catalyzed hydrolysis with ring opening. With these in mind, show the mechanism for the following reactions. a) Describe the mechanism and name the organic product(s) of hydrolysis of 2,3-epoxybutane in dilute acid. b) Describe the mechanism and name the organic product(s) of hydrolysis of propylene oxide with methylamine. How does this differ from acid catalyzed hydrolysis of the propylene oxide in the presence of methanol? 2. With reference to the structures of the compounds, give the approximate frequencies for distinctive peaks in the IR spectrum of the reactant and products of the following reactions [Problem 12-28 of textbook, page 604) a) Pinacol with dilute H2SO4/heat → Pinacolone b) Salicylic acid with CH3OH/dilute acid Methyl salicylate c) Cinnamaldehyde + NaBH/CH;OH Cinnamyl alcohol 3. A student set out to prepare di-n-propyl ether by the Williamson's method using ethanol as the solvent. The student isolated three different ethers from the reaction including the expected di-n- propyl ether. Give a reasonable mechanism to explain the production of the three different ethers from the reaction. low ace lecule ulene cannot be distinguished by proton NMR, but are easily distinguished by CMR. Describ isomers and why they are difficult to identify by proton NME 5. The three isomers of dimethylbenzene commonly named ortho-xylene, meta-xylene and para
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