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(b) Alkynes react with aqueous sulfuric acid, in the presence of catalytic Hg2+ salts, to give...
CECH HO, H,SO4 HgSO4 Alkynes do not react directly with aqueous acid as do alkenes, but...
CECH HO, H,SO4 HgSO4 Alkynes do not react directly with aqueous acid as do alkenes, but will do so in the presence of mercury(II) sulfate as a Lewis acid catalyst. The reaction occurs with Markovnikov regiochemistry, so the OH group adds to the more highly substituted carbon and the H adds to the less highly substituted carbon. The initial product of the reaction is a vinyl alcohol, also called an enol. The cnol immediately rearranges to a more stable ketone...
1. Alcohol [1] is added to an aqueous solution of sulfuric acid, H,SO4. The solution was...
1. Alcohol [1] is added to an aqueous solution of sulfuric acid, H,SO4. The solution was then heated. The product was purified to determine its structure. It was found that the product was alkene [2]. Draw the mechanism of the reaction. Show all steps with curved arrows that are necessary to form the product alkene [2]. OH H 0H H heat [2] [1] Consider the following reaction. A. Draw the mechanism of the reaction to predict ALL constitutional products. Show...
Can you answer the questions given in the photos above? The sec-butyl cation can react as...
Can you answer the questions given in the photos
above?
The sec-butyl cation can react as both a Lewis acid and a Brønsted- Lowry acid in the presence of a water-sulfuric acid mixture. In each case, however, the product is different. The two reactions are: 2. H2o +H3O+ a. In which reaction does this cation react as a Lewis acid? In which does it react as a Brønsted-Lowry acid? b. Write Lewis structures for reactants and products and show by...
need help analyzing nmr (calculations and structure) (TOH) as catalyst. Check your organic textbook for the...
need help analyzing nmr (calculations and structure) (TOH) as catalyst. Check your organic textbook for the mechanism-acid-catalyzed addition of alcohol to aldehydes or ketones to form acetals or ketals. The ketone carbonyl, significantly more reactive than the ester Carbonyl, will react more rapidly with the ethylene glycol Formation of the ketal involves an equilibrium in which water is one of the products. The equilibrium can be shifted to favor the product by removing the water as it is formed (Le...
MyChart-Login Page the crux &Montana Google Drive GRE C Chems 2 WebExpressHome Page-Army Av.... Cengage troy utilities Hydrocarbon A reacts with cold aqueous sulfuric acid to give an alcohol...
MyChart-Login Page the crux &Montana Google Drive GRE C Chems 2 WebExpressHome Page-Army Av.... Cengage troy utilities Hydrocarbon A reacts with cold aqueous sulfuric acid to give an alcohol, B (CAHI00). A also reacts with borane in anhydrous THF followed by hydrogen peroxide in aqueous sodium hydroxide to give an isomeric alcohol C. Draw the structure of A. You do not have to consider stereochemistry . In cases where there is more than one answer, just draw one. Previous Rety...
[References] In 1887, the Russian chemist Sergei Reformatsky at the University of Kiev discovered that treatment...
[References] In 1887, the Russian chemist Sergei Reformatsky at the University of Kiev discovered that treatment of an a-haloester with zinc metal in the presence of an aldehyde or ketone followed by hydrolysis in aqueous acid results in formation of a B-hydroxyester. Example: Zn O [ZnBr] 1. PhCHO BrCH2COEt benzene OH O 1. PACHO he H2C=COEt 2. H2O, HCI An a-bromoester PhCHCH2COET A B-hydroxyester (racemic) Show how a Reformatsky reaction can be used to synthesize the following compound from an...
IV) Acid/Base Reaction - Answer the next few questions about Molecule B, shown below. a) Circle...
IV) Acid/Base Reaction - Answer the next few questions about Molecule B, shown below. a) Circle the terms that correctly describe the molecule. H-bond acceptor dextrorotatory contains ketone racemic has enantiomer H-bond donor Molecule B [a] = -27.8° optically active contains aldehyde levorotatory b) Molecule B can react with another molecule in an acid/base reaction (shown below). olgan In the spaces provided, please do the following: i) Draw the structure of the missing molecule in the space provided. ii) Circle...
please answer b) and question 3 b) An uknown ketone F reacted with CH,CH MgBr, followed...
please answer b) and question 3
b) An uknown ketone F reacted with CH,CH MgBr, followed by acidic hydrolysis to produce alcohol G, CHO. Reaction of F with sodium borohydride in methanol gives compound J, a chiral compound that undergoes dehydration with concentrated sulphuric acid to give 2-pentene as the major product. Write the reaction scheme involved and deduce the structure of F, Gand K Ketone F yang tidak diketahui bertindak balas dengan CH,CH MgBr, dikut dengan hidrolisis berasid menghasilkan...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction?...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction? anoina to aizy ona svidstils Reaction Class 1 2 iliw 15 TO15192do art sshommua bns nosgol rond dass 101 12575 gbubnium oY noi de lo enor Som 10 910 w II woy Xd on abian aningstid on naloga uzib 3 OOH 4 5 DHET 6 7 SET adus 00 9 Complex ion formation 10 11 No reaction 12 13 14 Combination 15 16 17...
Experimental Outline In its simplest form, the aldol condensation is a self-addition involving tw...
Organic Chemistry 2
Experimental Outline In its simplest form, the aldol condensation is a self-addition involving two molecules of the same aldehyde or ketone, in the presence of a base, and results in the formation of a new carbon-carbon bond joining the carbonyl carbon of one molecule to the a-position of the second. In many cases - if the reaction conditions aren't sufficiently mild - the initially formed aldol product reacts further in an elimination reaction to give what is...
CECH HO, H,SO4 HgSO4 Alkynes do not react directly with aqueous acid as do alkenes, but will do so in the presence of mercury(II) sulfate as a Lewis acid catalyst. The reaction occurs with Markovnikov regiochemistry, so the OH group adds to the more highly substituted carbon and the H adds to the less highly substituted carbon. The initial product of the reaction is a vinyl alcohol, also called an enol. The cnol immediately rearranges to a more stable ketone...
1. Alcohol [1] is added to an aqueous solution of sulfuric acid, H,SO4. The solution was then heated. The product was purified to determine its structure. It was found that the product was alkene [2]. Draw the mechanism of the reaction. Show all steps with curved arrows that are necessary to form the product alkene [2]. OH H 0H H heat [2] [1] Consider the following reaction. A. Draw the mechanism of the reaction to predict ALL constitutional products. Show...
Can you answer the questions given in the photos
above?
The sec-butyl cation can react as both a Lewis acid and a Brønsted- Lowry acid in the presence of a water-sulfuric acid mixture. In each case, however, the product is different. The two reactions are: 2. H2o +H3O+ a. In which reaction does this cation react as a Lewis acid? In which does it react as a Brønsted-Lowry acid? b. Write Lewis structures for reactants and products and show by...
need help analyzing nmr (calculations and structure) (TOH) as catalyst. Check your organic textbook for the mechanism-acid-catalyzed addition of alcohol to aldehydes or ketones to form acetals or ketals. The ketone carbonyl, significantly more reactive than the ester Carbonyl, will react more rapidly with the ethylene glycol Formation of the ketal involves an equilibrium in which water is one of the products. The equilibrium can be shifted to favor the product by removing the water as it is formed (Le...
MyChart-Login Page the crux &Montana Google Drive GRE C Chems 2 WebExpressHome Page-Army Av.... Cengage troy utilities Hydrocarbon A reacts with cold aqueous sulfuric acid to give an alcohol, B (CAHI00). A also reacts with borane in anhydrous THF followed by hydrogen peroxide in aqueous sodium hydroxide to give an isomeric alcohol C. Draw the structure of A. You do not have to consider stereochemistry . In cases where there is more than one answer, just draw one. Previous Rety...
[References] In 1887, the Russian chemist Sergei Reformatsky at the University of Kiev discovered that treatment of an a-haloester with zinc metal in the presence of an aldehyde or ketone followed by hydrolysis in aqueous acid results in formation of a B-hydroxyester. Example: Zn O [ZnBr] 1. PhCHO BrCH2COEt benzene OH O 1. PACHO he H2C=COEt 2. H2O, HCI An a-bromoester PhCHCH2COET A B-hydroxyester (racemic) Show how a Reformatsky reaction can be used to synthesize the following compound from an...
IV) Acid/Base Reaction - Answer the next few questions about Molecule B, shown below. a) Circle the terms that correctly describe the molecule. H-bond acceptor dextrorotatory contains ketone racemic has enantiomer H-bond donor Molecule B [a] = -27.8° optically active contains aldehyde levorotatory b) Molecule B can react with another molecule in an acid/base reaction (shown below). olgan In the spaces provided, please do the following: i) Draw the structure of the missing molecule in the space provided. ii) Circle...
please answer b) and question 3
b) An uknown ketone F reacted with CH,CH MgBr, followed by acidic hydrolysis to produce alcohol G, CHO. Reaction of F with sodium borohydride in methanol gives compound J, a chiral compound that undergoes dehydration with concentrated sulphuric acid to give 2-pentene as the major product. Write the reaction scheme involved and deduce the structure of F, Gand K Ketone F yang tidak diketahui bertindak balas dengan CH,CH MgBr, dikut dengan hidrolisis berasid menghasilkan...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction? anoina to aizy ona svidstils Reaction Class 1 2 iliw 15 TO15192do art sshommua bns nosgol rond dass 101 12575 gbubnium oY noi de lo enor Som 10 910 w II woy Xd on abian aningstid on naloga uzib 3 OOH 4 5 DHET 6 7 SET adus 00 9 Complex ion formation 10 11 No reaction 12 13 14 Combination 15 16 17...
Organic Chemistry 2
Experimental Outline In its simplest form, the aldol condensation is a self-addition involving two molecules of the same aldehyde or ketone, in the presence of a base, and results in the formation of a new carbon-carbon bond joining the carbonyl carbon of one molecule to the a-position of the second. In many cases - if the reaction conditions aren't sufficiently mild - the initially formed aldol product reacts further in an elimination reaction to give what is...
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