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When a ketone and its enol are in equilibrium, under most conditions the concentration of the...
i need help with these questions 1. Under the following reaction conditions, what is the favored...
i need help with these questions
1. Under the following reaction conditions, what is the favored form of compound shown? NAOMe MeOH A. The Enol is Favored B. The Enol and Ketone are present (50:50 mixture) D. The Enolate is Favored C. The Ketone is Favored 2 What reagent best finishes the following reaction scheme. A. Br. HBR (cat) B. NaOH, Br C. HB, ROOR D. NBS, hv 3. What is the correct product for the following reaction? H2SO4 3-methyl-1-butanol...
What kind of kinetics is observed in an enzymatic reaction, under conditions where the substrate concentration...
What kind of kinetics is observed in an enzymatic reaction, under conditions where the substrate concentration is much higher with respect to KM ([S] >> KM)? Assume that a monomeric and non-allosteric enzyme is considered. A. Cooperative B. First Order C. Zero Order D. The systerm is at equilibrium and no reaction occures E. Second Order
6. Which one of the following carbonyl compounds has the highest percentage of enol when keto-enol...
6. Which one of the following carbonyl compounds has the highest percentage of enol when keto-enol equilibrium has been established? D 7. What is the major organic product that is formed from the reaction on the right? H2SO4 но 3 ОН Он ОН HO C) 3 A) 1 B) 2 D) 4
D Question 22 6 pts Which of the following is the correct name for the compound...
D Question 22 6 pts Which of the following is the correct name for the compound shown? 4.chloro-6-methylhept-2-yn-5-ene (R.4-chloro-2-methylhept.2-en-5-yne (S)-4-chloro-2-methylhept-2-en-5-yne chloromethylhept-2.n.3.yne Question 24 6 pts Which term accurately describes the molecule shown? : TOH . Achiral Meso Chiral Optically inactive 6 pts D Question 25 I Hi Which of the following is the correct name for the compound shov . (R).4.ethylhexan-3-amine (S)-4.ethylhexan-3.amine (R)-3-ethylhexan-4-amine 3R 45-4-ethylhexan-3-amine
question 1 and 3 can you form an enolate ion under acidic conditions? If so, provide...
question 1 and 3
can you form an enolate ion under acidic conditions? If so, provide the mechanism for its formation. 2. Draw the enol tautomer of the following compounds. arbonyl and base cucido eprotonatohy - a carbon hol-acid molate= bast CHAPTL! 3. Some compounds can form more than one enol tautomer. Draw all the possible enol tautomers for the following compounds. 4. Circle the side of the reaction favored at equilibrium. + OH н + H2O pka = 15.7...
Draw the structures for the following compounds. a) (3Z,5S)-4-bromo-5-chloro-2-methylhexa-1,3-diene b) (5S,7S)-5-(bromomethyl)-7-chloro-oct-2-yne c) (1S,5S,6S)-6-bromo-5-[(1R)-1-chloroethyl]cyclohex-3-enol d) 2-bromo-4-[(1R)-1-hydroxyethyl]benzoic acid...
Draw the structures for the following compounds. a) (3Z,5S)-4-bromo-5-chloro-2-methylhexa-1,3-diene b) (5S,7S)-5-(bromomethyl)-7-chloro-oct-2-yne c) (1S,5S,6S)-6-bromo-5-[(1R)-1-chloroethyl]cyclohex-3-enol d) 2-bromo-4-[(1R)-1-hydroxyethyl]benzoic acid e) (3S,4S,5S)-5-amino-3-hydroxy-4-methylhexanal f) (Z,2R,4R)-6-bromo-4-chloro-N-ethyl-N-methylhept-5-en-2-amine g) [(1S)-1-chloroethyl] (Z,3R)-5-chloro-3-methoxyhex-4-enoate h) (Z,3R)-3-bromo-4-chloro-7-methyloct-4-enoic acid i) (3S)-6-bromo-N-ethyl-N,3-dimethylhex-4-ynamide j) (Z,3R,4S)-6-bromo-3-[(1S)-1-chloroethyl]-4-hydroxyhept-5-en-2-one
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
2. Label each of the following statement as True or False: Under chemical equilibrium, the concentration of the rea...
2. Label each of the following statement as True or False: Under chemical equilibrium, the concentration of the reactants is equal to the concentration of the products. a. b. Under chemical equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction. In Le Chatelier's Principle, the term "stress" refers to the death of a loved one, too much workload, and the deprivation of food and sleep. c. d. In Le Chatelier's Principle, the term...
22. What is the major organic product obtained from the following reaction? ho A) 2 B)4...
22. What is the major organic product obtained from the following reaction? ho A) 2 B)4 C)3 D) 1 23. What is the correct name for the molecule below: A) 2,6-dimethyl-3-oxonon-2-ene B) B) 2,6-dimethylnona-8-oxone C) C) 4,8-dimethylnon-7-en-2-one D) 4,8-dimethyl-2-oxonon-7-ene 24. Which of the following describes a synthesis of an aldehyde? A) hydrogenation of an acid chloride using Pd/BaSO4/S as a poisoned catalyst B) reaction of a primary alcohol with Na2Cr207 C) reaction of a ketone with ozone D) treatment of...
Determine the equilibrium electron and hole concentration inside a uniformly doped sample of Si under the...
Determine the equilibrium electron and hole concentration inside a uniformly doped sample of Si under the following conditions: 4. (a) T 300 K, NA ND, N 1016/cm3 (b) T = 450 K, N,-0, ND-1014/cm 3 (You can use the necessary data from Fig. 2.20 for your calculation.)
i need help with these questions
1. Under the following reaction conditions, what is the favored form of compound shown? NAOMe MeOH A. The Enol is Favored B. The Enol and Ketone are present (50:50 mixture) D. The Enolate is Favored C. The Ketone is Favored 2 What reagent best finishes the following reaction scheme. A. Br. HBR (cat) B. NaOH, Br C. HB, ROOR D. NBS, hv 3. What is the correct product for the following reaction? H2SO4 3-methyl-1-butanol...
6. Which one of the following carbonyl compounds has the highest percentage of enol when keto-enol equilibrium has been established? D 7. What is the major organic product that is formed from the reaction on the right? H2SO4 но 3 ОН Он ОН HO C) 3 A) 1 B) 2 D) 4
D Question 22 6 pts Which of the following is the correct name for the compound shown? 4.chloro-6-methylhept-2-yn-5-ene (R.4-chloro-2-methylhept.2-en-5-yne (S)-4-chloro-2-methylhept-2-en-5-yne chloromethylhept-2.n.3.yne Question 24 6 pts Which term accurately describes the molecule shown? : TOH . Achiral Meso Chiral Optically inactive 6 pts D Question 25 I Hi Which of the following is the correct name for the compound shov . (R).4.ethylhexan-3-amine (S)-4.ethylhexan-3.amine (R)-3-ethylhexan-4-amine 3R 45-4-ethylhexan-3-amine
question 1 and 3
can you form an enolate ion under acidic conditions? If so, provide the mechanism for its formation. 2. Draw the enol tautomer of the following compounds. arbonyl and base cucido eprotonatohy - a carbon hol-acid molate= bast CHAPTL! 3. Some compounds can form more than one enol tautomer. Draw all the possible enol tautomers for the following compounds. 4. Circle the side of the reaction favored at equilibrium. + OH н + H2O pka = 15.7...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
2. Label each of the following statement as True or False: Under chemical equilibrium, the concentration of the reactants is equal to the concentration of the products. a. b. Under chemical equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction. In Le Chatelier's Principle, the term "stress" refers to the death of a loved one, too much workload, and the deprivation of food and sleep. c. d. In Le Chatelier's Principle, the term...
22. What is the major organic product obtained from the following reaction? ho A) 2 B)4 C)3 D) 1 23. What is the correct name for the molecule below: A) 2,6-dimethyl-3-oxonon-2-ene B) B) 2,6-dimethylnona-8-oxone C) C) 4,8-dimethylnon-7-en-2-one D) 4,8-dimethyl-2-oxonon-7-ene 24. Which of the following describes a synthesis of an aldehyde? A) hydrogenation of an acid chloride using Pd/BaSO4/S as a poisoned catalyst B) reaction of a primary alcohol with Na2Cr207 C) reaction of a ketone with ozone D) treatment of...
Determine the equilibrium electron and hole concentration inside a uniformly doped sample of Si under the following conditions: 4. (a) T 300 K, NA ND, N 1016/cm3 (b) T = 450 K, N,-0, ND-1014/cm 3 (You can use the necessary data from Fig. 2.20 for your calculation.)
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