Homework Answers
An ester will hydrolyze more readily with hydroxide as a nucleophile to afford a carboxylic acid product.
A protonated carbonyl bond's LUMO is lower in energy than A non-protonated carbonyl bond's LUMO.
What is the function of thionyl chloride when it reacts with a
carboxylic acid to form an acid chloride?
Ans: Electrophile.
In polar neutral reactions, there is an identifiable
electrophile and an identifiable nucleophile as reactants.
Ans: True.
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Question 1 2 pts as a nucleophile to An ester will hydrolyze more readily with afford...
Calculate the theoretical yield and percent yield for experiments 7, 8, and 9. For experiment 9,...
Calculate the theoretical yield and percent yield for
experiments 7, 8, and 9. For experiment 9, determine the
theoretical yield based on starting with 0.50g of 3-nitrobenzoic
acid. Show work
Acid I (experiment 7): Weight of methyl 3-nitrobenzoate = 1.9
g
Acid II (experiment 8): Weight of 3-nitrobenzoic acid = 1.75
g
Acid III (experiment 9): Weight of 3-nitrobenzamide = 0.30 g
Experiment 7:
-2.5 mL concentrated H2SO4
-1.75 mL concentrated HNO3 (16M)
-2.1 mL concentrated Methyl Benzoate
Experiment 8:...
can you solve everything Instructions: Consider the reaction below to answer the following question. На но...
can you solve everything
Instructions: Consider the reaction below to answer the following question. На но носH,сH,он в 4. Refer to instructions. The electrophile, the nucleophile and the catalyst in this reaction are indicated by letters respectively and Multiple Choice Identify the choice that best completes the statement or answers the question S. Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base. Bases catalyze hydration by: a. converting the water to hydroxide ion, a much...
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide....
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide. If 15.8 g of Mg are reacted with 9.69 g of Oz in a sealed reaction vessel, what is the mass of MgO produced? (Fill in only number, 3 sig figs) Question 2 1 pts Manganese(II) sulfate is produced in the following reaction: 5 H2C204(aq) + 2 KMnO4(aq) + 3 H2SO4 (aq) → 10C026 + 2 MnSO4(09) + K3504 (aq) + 8 H20 10...
Question 1 1 pt Which of the following is/are accurate statements concerning the mechanism shown ...
Question 1 1 pt Which of the following is/are accurate statements concerning the mechanism shown below? Assume that liquid ammonia and enough HCI to make sufficient NH4 ion are present in the reaction mixture. Select all that apply. n The collapse of the tetrahedral intermediate represented by step 3 is incorrect because under the acid-catalyzed conditions, hydroxide ion will not be a viable leaving group. Leaving aside the issue of whether hydroxide ion would be present or not, the electron...
Questions 2-10 please!! 1) A substitution reaction is: [2] a) A reaction during which an OH...
Questions 2-10 please!!
1) A substitution reaction is: [2] a) A reaction during which an OH group of a molecule is replaced by a halogen. b) A reaction during which water is the leaving group. c) A reaction during which a functional group of a molecule is replaced by an electrophile. d) A reaction during which a functional group of a molecule is replaced by another functional group. V 12 2) Substitution reactions are classified either as electrophilic or nucleophilic...
CHEM 242L Exp. 4 Report/ Synthesis of Oil of Wintergreen Name Score: 20 1) Assess the effectivene...
please answer all these questions, thank you.
CHEM 242L Exp. 4 Report/ Synthesis of Oil of Wintergreen Name Score: 20 1) Assess the effectiveness of the experiment and your technique by A) reporting the yield of each step in grams and percent as well as the overall percent yield (What is "overall percent yield?). SHOW ALL CALCULATIONS! B) Give a complete analysis of the identity and purity of your final product and any isolated intermediates 2 What was the purpose...
D Question 7 1 pts Given: Na2CO3(aq) + 2 HCl(aq) +2 NaCl(aq) + H2O(1) + CO2(e)...
D Question 7 1 pts Given: Na2CO3(aq) + 2 HCl(aq) +2 NaCl(aq) + H2O(1) + CO2(e) If 3.0 g of sodium carbonate reacts with 1.4 g of hydrochloric acid, and 1.008 g of sodium chloride are produced, what is the percent yield? Question 8 9 pts Show your work for the previous problem here: 12pt Paragraph ***
Experiment 12: Synthesis of Benzoic Acid pre-lab (4 pts) 1 (2 pts) Refer to the introduction...
Experiment 12: Synthesis of Benzoic Acid pre-lab (4 pts) 1 (2 pts) Refer to the introduction on the general process of hydrolysis of nitriles to carboxylic acids. Starting with benzonitrile (shown below), show how it is converted to benzoic acid under basic conditions. N 2) (2 pts) The reaction for the synthesis of benzoic acid via benzonitrile hydrolysis is shown below: 1) NaOH, HO YOH + NaCl 2) HCI, H,0 Benzonitrile Density = 1.0 g/mL MM = 103.04 g/mol Benzoic...
Question 2 1 pts Which statement(s) concerning the reaction is/are true? 2ABig) Alg) + Bale) K-2.9...
Question 2 1 pts Which statement(s) concerning the reaction is/are true? 2ABig) Alg) + Bale) K-2.9 x 10-85 There are fewer moles of reactants than products at equilibrium, because the equilibrium constant is small There are more moles of reactants than products at equilibrium, because the equilibrium constant is large. There are near equal amounts of reactants and products at equilibrium because the equilibrium constant is close to 1 There are more moles of reactants than products at equilibrium, because...
Question 2 (1 point) Saved Which set of hydrogen atoms will undergo deuterium exchange with MeOD...
Question 2 (1 point) Saved Which set of hydrogen atoms will undergo deuterium exchange with MeOD in the presence of MeONa? 1 2 1 and 2 only O2 and 3 only O 2 only O 3 only Which would be a reasonable intermediate for the this reaction? H30* PhoMe Ph-Me Ph Ome PhẩOMe OH PhẩOMe + OH OH + H2 Question 4 (1 point) Which hydrogen is most acidic? ace OD Question 5 (1 point) What is the product of...
Calculate the theoretical yield and percent yield for
experiments 7, 8, and 9. For experiment 9, determine the
theoretical yield based on starting with 0.50g of 3-nitrobenzoic
acid. Show work
Acid I (experiment 7): Weight of methyl 3-nitrobenzoate = 1.9
g
Acid II (experiment 8): Weight of 3-nitrobenzoic acid = 1.75
g
Acid III (experiment 9): Weight of 3-nitrobenzamide = 0.30 g
Experiment 7:
-2.5 mL concentrated H2SO4
-1.75 mL concentrated HNO3 (16M)
-2.1 mL concentrated Methyl Benzoate
Experiment 8:...
can you solve everything
Instructions: Consider the reaction below to answer the following question. На но носH,сH,он в 4. Refer to instructions. The electrophile, the nucleophile and the catalyst in this reaction are indicated by letters respectively and Multiple Choice Identify the choice that best completes the statement or answers the question S. Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base. Bases catalyze hydration by: a. converting the water to hydroxide ion, a much...
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide. If 15.8 g of Mg are reacted with 9.69 g of Oz in a sealed reaction vessel, what is the mass of MgO produced? (Fill in only number, 3 sig figs) Question 2 1 pts Manganese(II) sulfate is produced in the following reaction: 5 H2C204(aq) + 2 KMnO4(aq) + 3 H2SO4 (aq) → 10C026 + 2 MnSO4(09) + K3504 (aq) + 8 H20 10...
Question 1 1 pt Which of the following is/are accurate statements concerning the mechanism shown below? Assume that liquid ammonia and enough HCI to make sufficient NH4 ion are present in the reaction mixture. Select all that apply. n The collapse of the tetrahedral intermediate represented by step 3 is incorrect because under the acid-catalyzed conditions, hydroxide ion will not be a viable leaving group. Leaving aside the issue of whether hydroxide ion would be present or not, the electron...
Questions 2-10 please!!
1) A substitution reaction is: [2] a) A reaction during which an OH group of a molecule is replaced by a halogen. b) A reaction during which water is the leaving group. c) A reaction during which a functional group of a molecule is replaced by an electrophile. d) A reaction during which a functional group of a molecule is replaced by another functional group. V 12 2) Substitution reactions are classified either as electrophilic or nucleophilic...
please answer all these questions, thank you.
CHEM 242L Exp. 4 Report/ Synthesis of Oil of Wintergreen Name Score: 20 1) Assess the effectiveness of the experiment and your technique by A) reporting the yield of each step in grams and percent as well as the overall percent yield (What is "overall percent yield?). SHOW ALL CALCULATIONS! B) Give a complete analysis of the identity and purity of your final product and any isolated intermediates 2 What was the purpose...
D Question 7 1 pts Given: Na2CO3(aq) + 2 HCl(aq) +2 NaCl(aq) + H2O(1) + CO2(e) If 3.0 g of sodium carbonate reacts with 1.4 g of hydrochloric acid, and 1.008 g of sodium chloride are produced, what is the percent yield? Question 8 9 pts Show your work for the previous problem here: 12pt Paragraph ***
Experiment 12: Synthesis of Benzoic Acid pre-lab (4 pts) 1 (2 pts) Refer to the introduction on the general process of hydrolysis of nitriles to carboxylic acids. Starting with benzonitrile (shown below), show how it is converted to benzoic acid under basic conditions. N 2) (2 pts) The reaction for the synthesis of benzoic acid via benzonitrile hydrolysis is shown below: 1) NaOH, HO YOH + NaCl 2) HCI, H,0 Benzonitrile Density = 1.0 g/mL MM = 103.04 g/mol Benzoic...
Question 2 1 pts Which statement(s) concerning the reaction is/are true? 2ABig) Alg) + Bale) K-2.9 x 10-85 There are fewer moles of reactants than products at equilibrium, because the equilibrium constant is small There are more moles of reactants than products at equilibrium, because the equilibrium constant is large. There are near equal amounts of reactants and products at equilibrium because the equilibrium constant is close to 1 There are more moles of reactants than products at equilibrium, because...
Question 2 (1 point) Saved Which set of hydrogen atoms will undergo deuterium exchange with MeOD in the presence of MeONa? 1 2 1 and 2 only O2 and 3 only O 2 only O 3 only Which would be a reasonable intermediate for the this reaction? H30* PhoMe Ph-Me Ph Ome PhẩOMe OH PhẩOMe + OH OH + H2 Question 4 (1 point) Which hydrogen is most acidic? ace OD Question 5 (1 point) What is the product of...
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