Why are acid chlorides routinely kept away from water and water vapour? [3 Marks] Show the...
Why are acid chlorides routinely kept away from water and water
vapour? [3 Marks] Show the mechanism of either
• The formation of an acid chloride from an acid and thionyl
chloride
• The unwanted reaction of an acid chloride with water.
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Why are acid chlorides routinely kept away from water and water
vapour? [3 Marks] Show the...
3. Give a brief explanation why acid chlorides are more reactive than esters in a nucleophilic...
3. Give a brief explanation why acid chlorides are more reactive than esters in a nucleophilic substitution reaction, like a polymerization. Grading Scheme
Show the detailed mechanism of the formation of methyl orange from 4- diazobenzenesulfonic acid and N,N-dimethylaniline....
Show the detailed mechanism of the formation of methyl orange
from 4- diazobenzenesulfonic acid and N,N-dimethylaniline.
Show the detailed mechanism of the formation of methyl orange from 4-diazobenzenesulfonic acid and N, N dimethy laniline. What is the name of this mechanism? What is the name of the organic functional group formed in this reaction? What is the name of this reaction? Why does the coupling occur at the para position of the N, N-dimethylaniline? What prevents the reaction from occurring...
Phenylalanine G can be synthesised from 3-phenylpropanoic acid E through intermediate F using the well-known Hell-Vollhard-Zelinsky...
Phenylalanine G can be synthesised from 3-phenylpropanoic acid E through intermediate F using the well-known Hell-Vollhard-Zelinsky reaction shown in Figure 1. CHBO Figure 1 (1) Identify the structure of intermediate F. [2 marks] (1) F from 3- Draw the mechanism for the formation of intermediate phenylpropanoic acid E. [6 marks) (i) Draw the mechanism for the formation of phenylalanine G from intermediate [1 marks) (iv) Outline two drawbacks to this method of amino acid synthesis. [2 marks)
Write the mechanism for the formation of Malachite Green from methyl benzoate. Be sure to show...
Write the mechanism for the formation of Malachite Green from methyl benzoate. Be sure to show all steps, including the loss of water. 1. 2. Write the mechanism for the formation of Crystal violet from diethyl carbonate. 3. Methyl benzoate is an ester, but is technically a carboxylate ester. Diethyl carbonate is a 4. Why is the green dye in this experiment called "Malachite Green"? Hint: Try looking in a 5. Write the balanced equation for the reaction of hydrochloric...
The following experiment synthesized N,N'-diethyl-3-benzamide from m-toluic acid. Initially, 2.5 g of m-toluic acid and 2.0...
The following experiment synthesized N,N'-diethyl-3-benzamide from m-toluic acid. Initially, 2.5 g of m-toluic acid and 2.0 mL of thionyl chloride are heated for a period of time. Then 30 mL of anhydrous ether was added to the mixture. 10 mL of anhydrous dry ether and 5.0 mL of diethylamine were added dropwise over a period of 10 minutes using a separatory funnel. After that, 15 mL of 2.5 M sodium hydroxide were added dropwise using a separatory funnel. Then the...
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...
1. (10 marks the wol 1. (10 marks) The Wolff-Kishner reduction is a method to transform...
1. (10 marks the wol 1. (10 marks) The Wolff-Kishner reduction is a method to transform ketones into alkanes. An example is provided below. step 1 step 2 NH oh oh oh oon HẠN-NH, KOH/H20 A mechanism for the Wolff-Kishner reduction is proposed online at the following website: However, all steps and all electron-pushing arrows are not clearly illustrated in this mechanism. Propose a detailed mechanism with all electron-pushing arrows for both steps of the Wolff-Kishner reduction. Notice the first...
Would someone help me to solve these questions? Thanks in advanced Questions 1. Draw the mechanism...
Would someone help me to solve these questions? Thanks
in advanced
Questions 1. Draw the mechanism of the formation of the diazonium salt from sulfanilic acid. 2. Draw the mechanism of the reaction of N,N-dimethylaniline and the diazonium salt of sulfanilic acid to form the azo dye. 3. Why does the dimethylaniline couple with the diazonium salt at the para position of the ring? 4. What would be the result if copper (I) chloride were added to the diazonium salt...
-Lab Questions: 1. Draw 3-dimensional representation for R-2-bromohexanoic acid with the lowest priority group pointing away...
-Lab Questions: 1. Draw 3-dimensional representation for R-2-bromohexanoic acid with the lowest priority group pointing away from you, going into the paper. Draw the mechanism of the S,2 displacement reaction of R-2-bromohexanoic acid with ammonia, indicating the stereochemistry of the d,l-norleucine product 2.
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:...
3. Give a brief explanation why acid chlorides are more reactive than esters in a nucleophilic substitution reaction, like a polymerization. Grading Scheme
Show the detailed mechanism of the formation of methyl orange
from 4- diazobenzenesulfonic acid and N,N-dimethylaniline.
Show the detailed mechanism of the formation of methyl orange from 4-diazobenzenesulfonic acid and N, N dimethy laniline. What is the name of this mechanism? What is the name of the organic functional group formed in this reaction? What is the name of this reaction? Why does the coupling occur at the para position of the N, N-dimethylaniline? What prevents the reaction from occurring...
Phenylalanine G can be synthesised from 3-phenylpropanoic acid E through intermediate F using the well-known Hell-Vollhard-Zelinsky reaction shown in Figure 1. CHBO Figure 1 (1) Identify the structure of intermediate F. [2 marks] (1) F from 3- Draw the mechanism for the formation of intermediate phenylpropanoic acid E. [6 marks) (i) Draw the mechanism for the formation of phenylalanine G from intermediate [1 marks) (iv) Outline two drawbacks to this method of amino acid synthesis. [2 marks)
Write the mechanism for the formation of Malachite Green from methyl benzoate. Be sure to show all steps, including the loss of water. 1. 2. Write the mechanism for the formation of Crystal violet from diethyl carbonate. 3. Methyl benzoate is an ester, but is technically a carboxylate ester. Diethyl carbonate is a 4. Why is the green dye in this experiment called "Malachite Green"? Hint: Try looking in a 5. Write the balanced equation for the reaction of hydrochloric...
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...
1. (10 marks the wol 1. (10 marks) The Wolff-Kishner reduction is a method to transform ketones into alkanes. An example is provided below. step 1 step 2 NH oh oh oh oon HẠN-NH, KOH/H20 A mechanism for the Wolff-Kishner reduction is proposed online at the following website: However, all steps and all electron-pushing arrows are not clearly illustrated in this mechanism. Propose a detailed mechanism with all electron-pushing arrows for both steps of the Wolff-Kishner reduction. Notice the first...
Would someone help me to solve these questions? Thanks
in advanced
Questions 1. Draw the mechanism of the formation of the diazonium salt from sulfanilic acid. 2. Draw the mechanism of the reaction of N,N-dimethylaniline and the diazonium salt of sulfanilic acid to form the azo dye. 3. Why does the dimethylaniline couple with the diazonium salt at the para position of the ring? 4. What would be the result if copper (I) chloride were added to the diazonium salt...
-Lab Questions: 1. Draw 3-dimensional representation for R-2-bromohexanoic acid with the lowest priority group pointing away from you, going into the paper. Draw the mechanism of the S,2 displacement reaction of R-2-bromohexanoic acid with ammonia, indicating the stereochemistry of the d,l-norleucine product 2.
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:...
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