why is phosphoric acid not in the reaction of aspirin synthesis? (CH3CO)2O + HOC6H4COOH → CH3CO2C6H4CO2H...
why is phosphoric acid not in the reaction of aspirin synthesis?
(CH3CO)2O + HOC6H4COOH → CH3CO2C6H4CO2H + CH3COOH
Homework Answers
Summery : To avoid an reversible reaction we have onlu use an strong acid. Thats why weak acid like phosphoric acid we can't used in asprine synthesis.
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why is phosphoric acid not in the reaction of aspirin
synthesis?
(CH3CO)2O + HOC6H4COOH → CH3CO2C6H4CO2H...
Phosphoric acid can be used instead of sulfuric acid in the synthesis of aspirin, O True...
Phosphoric acid can be used instead of sulfuric acid in the synthesis of aspirin, O True False
1) In the lab of synthesis of aspirin, how will adding HCl instead of phosphoric acid...
1) In the lab of synthesis of aspirin, how will adding HCl instead of phosphoric acid affect the outcome of the experiment. 2) In the lab of synthesis of aspirin, what is the purpose of using KMnO4 solution? 3) Suggest 2 other ways(besides use of hickman still) that you can use to influence the direction of reaction equilibrium in the lab dehydration of alcohol to alkenes 4) How will the absence of hickman still affect the outcome of the experiment...
PRELAB EXERCISE EXPERIMENT 21 Synthesis of Aspirin (Acetylsalicylic Acid) 1. What is the purpose of sulfuric...
PRELAB EXERCISE EXPERIMENT 21 Synthesis of Aspirin (Acetylsalicylic Acid) What is the purpose of sulfuric acid or phosphoric acid used in the acetylation reaction? Use equations to explain this purpose. The procedure calls for cautious addition of water to the reaction mixture while it is still hot. What purpose does the addition of water serve and why should the addition be done while the reaction mixture is hot? Provide an equation for the reaction involved.Using the quantities of salicylic acid and acetic anhydride...
Propose a structure for the polymer formed by intermolecular reaction of salicylic acid during the synthesis of aspirin. Which is the stronger acid, aspirin or salicylic acid?
Propose a structure for the polymer formed by intermolecular reaction of salicylic acid during the synthesis of aspirin. Which is the stronger acid, aspirin or salicylic acid?
Question 16 What is the purpose of adding phosphoric acid in aspirin synthesis A) enhance the...
Question 16 What is the purpose of adding phosphoric acid in aspirin synthesis A) enhance the nucleophilicity of the OH of salicylic acid B) enhance the electrophilicty of acetic anhydride enhance the nucleophilicity of acetic anhydride D) enhance the electrophilicty of the carbonyl of salicylic acid А 8 С Question 17 Which statement(s) is correct for electrophilic aromatic substitution (EAS)? (multiple answer) ferrocene is more reactive than benzene A. benzene is more reactive than ferrocene B C. ferrocene is more...
The activation energy for the gas phase decomposition of acetic anhydride is 144 kJ. (CH3CO)2O———>CH2=C=O+CH3COOH The...
The activation energy for the gas phase decomposition of acetic anhydride is 144 kJ. (CH3CO)2O———>CH2=C=O+CH3COOH The rate constant at 503 K is the 1.06x10^-2/s at ____K
Question 7 What is the nucleophile in the following reaction Ferrocene + acetic anhydride + Phosphoric...
Question 7 What is the nucleophile in the following reaction Ferrocene + acetic anhydride + Phosphoric acid Acetyl ferrocene + acetic acid Ferrocene A B. Acyllium ion oc. Fe2+ D.H3PO4 Question 8 is specifically important because it has the highest melting point and prevents lipstick from melting. A) candelilla wax B) Carnauba wax C) beeswax D) Natural Waxes А B D Question 9 Which reaction is Fischer Esterification A) CH3COCI + CH3CH2OH → CH3COOCH2CH3 + HCI B)(CH3CO)20 + CH3CH2OH →...
Synthesis of Aspirin Mass of salicylic acid 2.0024 g Mass of synthesized aspirin 2.5125 g Calculate...
Synthesis of Aspirin Mass of salicylic acid 2.0024 g Mass of synthesized aspirin 2.5125 g Calculate the theoretical mass and percent yield using the following (fill in missing information): (mass of salicylic acid)2.0024 1 mol salicylic acid 1 mol aspirin (MW of aspirin) = Enter answer (MW of salicylic acid) 1 mol salicylic acid 1 mol aspirin (mass of synthesized aspirin)2.5124 x 100% = Enter answer (theoretical mass of aspirin) Excluding lab error and excess water, is it possible to...
Experiment 2: Synthesis of Aspirin (Acetylsalicylic Acid ) 1. How many moles of salicylic acid are...
Experiment 2: Synthesis of Aspirin (Acetylsalicylic Acid ) 1. How many moles of salicylic acid are there in 1.0 grams of salicylic acid? 2. How many moles of acetic anhydride are there in 3 mL of acetic anhydride? 3. When 1.0g of salicylic acid and 3 mL of acetic anhydride react, DETERMINE which one is the limiting reactant (you can go to General Chemistry if you need help about limiting reagent)? 4. What is phosphoric acid used for in the...
Salicylic acid and acetic anhydride are synthesized with phosphoric acid to catalyze the reaction to make...
Salicylic acid and acetic anhydride are synthesized with phosphoric acid to catalyze the reaction to make acetylsalicylic acid (aspirin). How will you know if you have successfully synthesized acetylsalicylic acid? What compound will you have if you did NOT successfully synthesize acetylsalicylic acid, and how can you confirm it?
Phosphoric acid can be used instead of sulfuric acid in the synthesis of aspirin, O True False
PRELAB EXERCISE EXPERIMENT 21 Synthesis of Aspirin (Acetylsalicylic Acid) What is the purpose of sulfuric acid or phosphoric acid used in the acetylation reaction? Use equations to explain this purpose. The procedure calls for cautious addition of water to the reaction mixture while it is still hot. What purpose does the addition of water serve and why should the addition be done while the reaction mixture is hot? Provide an equation for the reaction involved.Using the quantities of salicylic acid and acetic anhydride...
Question 16 What is the purpose of adding phosphoric acid in aspirin synthesis A) enhance the nucleophilicity of the OH of salicylic acid B) enhance the electrophilicty of acetic anhydride enhance the nucleophilicity of acetic anhydride D) enhance the electrophilicty of the carbonyl of salicylic acid А 8 С Question 17 Which statement(s) is correct for electrophilic aromatic substitution (EAS)? (multiple answer) ferrocene is more reactive than benzene A. benzene is more reactive than ferrocene B C. ferrocene is more...
Question 7 What is the nucleophile in the following reaction Ferrocene + acetic anhydride + Phosphoric acid Acetyl ferrocene + acetic acid Ferrocene A B. Acyllium ion oc. Fe2+ D.H3PO4 Question 8 is specifically important because it has the highest melting point and prevents lipstick from melting. A) candelilla wax B) Carnauba wax C) beeswax D) Natural Waxes А B D Question 9 Which reaction is Fischer Esterification A) CH3COCI + CH3CH2OH → CH3COOCH2CH3 + HCI B)(CH3CO)20 + CH3CH2OH →...
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