Using your textbook as a source, find another acetylation agent besides acetic anhydride that could be used in this reaction.
Using your textbook as a source, find another acetylation agent besides acetic anhydride that could be used in this reaction.
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Using your textbook as a source, find another acetylation agent besides acetic anhydride that could be used in this reaction.
How could the yield of diacetylated product be increased? (this reaction associated with Acetylation of ferrocene in present with acetic anhydride and phosphoric acid, diacetylaeted is minor product i...
How could the yield of diacetylated product be increased? (this reaction associated with Acetylation of ferrocene in present with acetic anhydride and phosphoric acid, diacetylaeted is minor product in the reaction)
1. For the acetylation of ferrocene, ferrocene is mixed with acetic anhydride and 85% phosphoric acid...
1. For the acetylation of ferrocene, ferrocene is mixed with acetic anhydride and 85% phosphoric acid and heated for 20 mins. Why is phosphoric acid used rather than a stronger acid such as sulfuric acid? 2. For the oxidation of ferrocene, NH4[PF6] is added to the reaction mixture of ferrocene, acetone, distilled water, and anhydrous FeCl3. What is the purpose of adding NH4[PF6]?
The reaction was: 4-aminophenol + acetic anhydride + water (solvent) --> acetaminophen + acetic acid In...
The reaction was: 4-aminophenol + acetic anhydride + water
(solvent) --> acetaminophen + acetic acid
In this experiment, we characterize the products only by obtaining an experimental melting point. How could you use TLC to confirm that (i) your isolated product is pure, and (ii) your product is acetaminophen? [2 marks]
1) Which reactant, salicylic acid or acetic anhydride, is in excess? Show your work. 2) If you we...
1) Which reactant, salicylic acid or acetic anhydride, is in
excess? Show your work.
2) If you were to use 3.17 g of starting material, how much
product would you expect? Again, show your work.
3) Why is phosphoric acid added to the reaction?
4) A small amount of water is added at the end of the reaction
to react with the excess acetic anhydride. Show a balanced equation
for that reaction.
5) Explain the purpose of the FeCl3 test...
10. Using your answer to 6e: 6e: What percent of the mixture obtained in reaction 1...
10. Using your answer to 6e: 6e: What percent of the
mixture obtained in reaction 1 is the para isomer? para isomer :
37.9%
a) How many millimoles of the para product were
present in the isomeric mixture added in the first step of reaction
2? Please show your work.
b) In order to selectively acetylate the para isomer, equimolar
amounts of acetic anhydride and the para isomer must be present.
Using the millimoles you obtained as your answer to...
Organic Chemistry: Acetylation & Bromination Write-Up Sheet for Synthesis of Bromoacetanilides Experiment DATA & ANALYSIS Weights:...
Organic Chemistry: Acetylation & Bromination
Write-Up Sheet for Synthesis of Bromoacetanilides Experiment DATA & ANALYSIS Weights: Day 1 aniline_1.019 crude acetanilide obtained acetic anhydride 1. 0.8ta Weights: Day 2 acetanilide used for bromination 0:59 recrystallized bromoacetanilide 0.369 Melting Points: 139.0°C - Observed melting point of recrystallized bromoacetanilide 1910 Literature Melting points Literature Melting Point References acetanilide 113-115°C chemical book.com o-bromoacetanilide 96.5-100.5°C Chemical book.com p-bromoacetanilide 165-169°C chemical book.com QUESTIONS – DAY 1 1) What is the percent yield for your acetylation...
Question#1: Aspirin is prepared by reaction of salicylic acid (C7H6O3)(C7H6O3) with acetic anhydride (C4H6O3)(C4H6O3) according to...
Question#1: Aspirin is prepared by reaction of salicylic acid (C7H6O3)(C7H6O3) with acetic anhydride (C4H6O3)(C4H6O3) according to the following equation: C7H6O3Salicylicacid+C4H6O3Aceticanhydride→C7H6O3Salicylicacid+C4H6O3Aceticanhydride→ C9H8O4Aspirin+CH3COOHAceticacid A) How many grams of acetic anhydride are needed to react with 7.50 gg of salicylic acid? B)How many grams of aspirin will result? C) How many grams of acetic acid are formed as a by-product? Question #2: Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s)+3Cl2(g)→2AlCl3(s)2Al(s)+3Cl2(g)→2AlCl3(s) You are given 26.0 gg of aluminum...
Suppose you started with 25.8 g of salicylic acid and an excess of acetic anhydride was...
Suppose you started with 25.8 g of salicylic acid and an excess of acetic anhydride was used to synthesize aspirin. If you obtained 21.7 g of aspirin, calculate the yield of this reaction. (Show your detailed calculations) (1.5 Points) 3. After carrying out the aspirin synthesis experiment, suggest two experiments or techniques (give only name of Experiment) based on what you have learned last few weeks to confirm the preparation and purity of aspirin. (1 Point) 4. A commercial aspirin...
2. Suppose you started with 25.8 g of salicylic acid and an excess of acetic anhydride...
2. Suppose you started with 25.8 g of salicylic acid and an excess of acetic anhydride was used to synthesize aspirin. If you obtained 21.7 g of aspirin, calculate the yield of this reaction. (Show your detailed calculations) (1.5 Points) 3. After carrying out the aspirin synthesis experiment, suggest two experiments or techniques (give only name of Experiment) based on what you have learned last few weeks to confirm the preparation and purity of aspirin. (1 Point) 4. A commercial...
Using your answer to 6e: a) How many millimoles of the para product were present in...
Using your answer to 6e:
a) How many millimoles of the para product were
present in the isomeric mixture added in the first step of reaction
2? Please show your work.
b) In order to selectively acetylate the para isomer, equimolar
amounts of acetic anhydride and the para isomer must be present.
Using the millimoles you obtained as your answer to
a), calculate the amount of in milligrams (mg) of
acetic anhydride that should be added in step 2 of...
The reaction was: 4-aminophenol + acetic anhydride + water
(solvent) --> acetaminophen + acetic acid
In this experiment, we characterize the products only by obtaining an experimental melting point. How could you use TLC to confirm that (i) your isolated product is pure, and (ii) your product is acetaminophen? [2 marks]
1) Which reactant, salicylic acid or acetic anhydride, is in
excess? Show your work.
2) If you were to use 3.17 g of starting material, how much
product would you expect? Again, show your work.
3) Why is phosphoric acid added to the reaction?
4) A small amount of water is added at the end of the reaction
to react with the excess acetic anhydride. Show a balanced equation
for that reaction.
5) Explain the purpose of the FeCl3 test...
10. Using your answer to 6e: 6e: What percent of the
mixture obtained in reaction 1 is the para isomer? para isomer :
37.9%
a) How many millimoles of the para product were
present in the isomeric mixture added in the first step of reaction
2? Please show your work.
b) In order to selectively acetylate the para isomer, equimolar
amounts of acetic anhydride and the para isomer must be present.
Using the millimoles you obtained as your answer to...
Organic Chemistry: Acetylation & Bromination
Write-Up Sheet for Synthesis of Bromoacetanilides Experiment DATA & ANALYSIS Weights: Day 1 aniline_1.019 crude acetanilide obtained acetic anhydride 1. 0.8ta Weights: Day 2 acetanilide used for bromination 0:59 recrystallized bromoacetanilide 0.369 Melting Points: 139.0°C - Observed melting point of recrystallized bromoacetanilide 1910 Literature Melting points Literature Melting Point References acetanilide 113-115°C chemical book.com o-bromoacetanilide 96.5-100.5°C Chemical book.com p-bromoacetanilide 165-169°C chemical book.com QUESTIONS – DAY 1 1) What is the percent yield for your acetylation...
Using your answer to 6e:
a) How many millimoles of the para product were
present in the isomeric mixture added in the first step of reaction
2? Please show your work.
b) In order to selectively acetylate the para isomer, equimolar
amounts of acetic anhydride and the para isomer must be present.
Using the millimoles you obtained as your answer to
a), calculate the amount of in milligrams (mg) of
acetic anhydride that should be added in step 2 of...
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