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Experiment 12: Synthesis of Benzoic Acid pre-lab (4 pts) 1 (2 pts) Refer to the introduction...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on interpreting the ferric chloride test for phenols. Two students performed the aspirin synthesis experiment. Their melting point and ferric chloride test data are shown below. Based on the results, which student's aspirin has the higher purity? Justify your choice using the melting point data and ferric chloride test results. Melting point range for pure aspirin = 136-140 °C. Melting point range (°C) Ferric chloride...
Experiment 10: Synthesis of Aspirin Name: Data/observations: Day 1Preparation of Salicylic Acid 1.1749 mass of methyl...
Experiment 10: Synthesis of Aspirin Name: Data/observations: Day 1Preparation of Salicylic Acid 1.1749 mass of methyl salicylate (wintergreen oil) 0.913 g mass of salicylic acid product Day 2: Synthesis of Aspirin 0.889 mass of salicyclic acid used to synthesize aspirin 0.622 g mass of aspirin product Day 3: Qualitative Analysis Compound pure pure aspirin salicylic acid aspirin pure salicyclic methyl acid product product salicylate purple w/ dark purple night yellow dark purple yeilow seperation crystalized crystalized watery Chunky. FeCl3 Observation...
Name: Experiment 9: Synthesis of Benzhydrol pre-lab (4 pts) 1) ( pu) Why must the sodium...
Name: Experiment 9: Synthesis of Benzhydrol pre-lab (4 pts) 1) ( pu) Why must the sodium borohydride solution be added slowly to the benzophenone solution? 2) (1 pt) How is the excess sodium borohydride neutralized? 4) (2 pts) The reduction of benzophenone by sodium borohydride is shown below: OH 1. NaBH O 2. HCI 3. H,0 -I MM = 182.22 g/mol MM = 184.24 g/mol A student starts with 4.0 g of benzophenone and adds a sufficient amount of sodium...
Experiment 2: Grignard synthesis of benzoic acid . Complete reaction, and provide the reaction mechanism for...
Experiment 2: Grignard synthesis of benzoic acid . Complete reaction, and provide the reaction mechanism for all chemistry in this lab (forming the Grignard reagent, reaction with the CO2 electrophile, and acidification). . What are the side products and salts formed in this reaction? How are they removed from the purified product? . Why do we take precautions to eliminate water from the reaction? Be specific about what would happen if we did not do so. . Why is the...
Pre-lab Assignment: Synthesis of Aspirin 1. What is the chemical name for aspirin? 2. How does...
Pre-lab Assignment: Synthesis of Aspirin 1. What is the chemical name for aspirin? 2. How does aspirin work in the human body? 3. What is the name of the compound that was isolated from the bark of the willow and had a similar effect as aspirin? 4, what is a common side effect of the compound from #4? 5. Draw and label the complete setup to perform vacuum filtration. 6. What is the theoretical yield for aspirin if you start...
Experiment #6: Synthesis of cyclohexene pre-lab (4 pts) 1) (2 pts) The mechanism for the formation...
Experiment #6: Synthesis of cyclohexene pre-lab (4 pts) 1) (2 pts) The mechanism for the formation of cyclohexene is shown below. - complete the mechanism with the appropriate arrows - identify the electrophile and nucleophile in steps 1 and 3. H-H2PO4 H2PO4. он Step I Step 2 H2o H2PO H,PO4 Step 3
Name: Experiment 10: ID of Unknown Carbonyl pre-lab (4 pts) Refer to the introduction and the...
Name: Experiment 10: ID of Unknown Carbonyl pre-lab (4 pts) Refer to the introduction and the attached data sheets on aldehyde/ketone compounds (boiling! point; derivative melting points; refractive index) to answer the following questions... (4 pts) A student was given two unknown carbonyl compounds to identify during his organic chemistry lab period. He performed the following procedures on both unknown samples: - semicarbazone derivative formation -2,4-dinitrophenylhydrazine derivative formation - boiling point determination (by distillation) - refractive index His results are...
EXPERIMENT 8: Synthesis of Aquapentaammine-Cobalt (II) Nitrate, [Co(NH)sH2O1(NO)s Pre-Lab Questions: The complex salt [Cu(NH3)4][SO,1- H,O can...
EXPERIMENT 8: Synthesis of Aquapentaammine-Cobalt (II) Nitrate, [Co(NH)sH2O1(NO)s Pre-Lab Questions: The complex salt [Cu(NH3)4][SO,1- H,O can be prepared by direct combination of its constituents: Cu +4 NH,+SO+ H2O [Cu(NH)JSO. H;O In an aqueous reaction solution contained 1.0 g CuCl, 2H2O, 1.0 mL 14 M NHs, and 1.0 g NazSO, what would be the maximum theoretical vield (in grams) of product? To what percent yield would 0.42 g of product correspond? Your yield of crude product is 1.8 g and you...
Make a purpose statement synthesis equation table of contents and theoretical yield for the synthesis of...
Make a purpose statement synthesis equation table of contents
and theoretical yield for the synthesis of veratraldehyde oxime (
example given)
NITRILE 1. SYNTHESIS oF VERATRALDEHYDE oxiME Review From previous lab procedures: suction filtration, recrystallization From organic chemistry text: sections 18.15, 18.16 Introduction oximes are usually prepared as derivatives of aldehydes and ketones, and they are used as a means of characterizing them and them. However, be reduced to amines or dehydrated to yield nitriles. Thus, they are also useful...
Please help me answer questions #1 through #12. Lab information and results are listed to the...
Please help me answer questions #1 through #12. Lab information
and results are listed to the right side. Thank you!
Paragraph . 1マーに 1 HTTL 2 | x' x, | so ea l E 1ヨ回ドもデ. | 2m 규亨ー过1K % Yield g aspirin obtained/ g aspirin calculated x 100 1. Mass of empty Erlenmeyer Flask,EF 2. Mass of EFsalicylic acid 3. Mass of EF+sslicylic acid + acetic anhydride 4. Mass of E 5. Calculate mass of salicylic acid used 8. Calculate...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on interpreting the ferric chloride test for phenols. Two students performed the aspirin synthesis experiment. Their melting point and ferric chloride test data are shown below. Based on the results, which student's aspirin has the higher purity? Justify your choice using the melting point data and ferric chloride test results. Melting point range for pure aspirin = 136-140 °C. Melting point range (°C) Ferric chloride...
Experiment 10: Synthesis of Aspirin Name: Data/observations: Day 1Preparation of Salicylic Acid 1.1749 mass of methyl salicylate (wintergreen oil) 0.913 g mass of salicylic acid product Day 2: Synthesis of Aspirin 0.889 mass of salicyclic acid used to synthesize aspirin 0.622 g mass of aspirin product Day 3: Qualitative Analysis Compound pure pure aspirin salicylic acid aspirin pure salicyclic methyl acid product product salicylate purple w/ dark purple night yellow dark purple yeilow seperation crystalized crystalized watery Chunky. FeCl3 Observation...
Name: Experiment 9: Synthesis of Benzhydrol pre-lab (4 pts) 1) ( pu) Why must the sodium borohydride solution be added slowly to the benzophenone solution? 2) (1 pt) How is the excess sodium borohydride neutralized? 4) (2 pts) The reduction of benzophenone by sodium borohydride is shown below: OH 1. NaBH O 2. HCI 3. H,0 -I MM = 182.22 g/mol MM = 184.24 g/mol A student starts with 4.0 g of benzophenone and adds a sufficient amount of sodium...
Experiment 2: Grignard synthesis of benzoic acid . Complete reaction, and provide the reaction mechanism for all chemistry in this lab (forming the Grignard reagent, reaction with the CO2 electrophile, and acidification). . What are the side products and salts formed in this reaction? How are they removed from the purified product? . Why do we take precautions to eliminate water from the reaction? Be specific about what would happen if we did not do so. . Why is the...
Pre-lab Assignment: Synthesis of Aspirin 1. What is the chemical name for aspirin? 2. How does aspirin work in the human body? 3. What is the name of the compound that was isolated from the bark of the willow and had a similar effect as aspirin? 4, what is a common side effect of the compound from #4? 5. Draw and label the complete setup to perform vacuum filtration. 6. What is the theoretical yield for aspirin if you start...
Experiment #6: Synthesis of cyclohexene pre-lab (4 pts) 1) (2 pts) The mechanism for the formation of cyclohexene is shown below. - complete the mechanism with the appropriate arrows - identify the electrophile and nucleophile in steps 1 and 3. H-H2PO4 H2PO4. он Step I Step 2 H2o H2PO H,PO4 Step 3
Name: Experiment 10: ID of Unknown Carbonyl pre-lab (4 pts) Refer to the introduction and the attached data sheets on aldehyde/ketone compounds (boiling! point; derivative melting points; refractive index) to answer the following questions... (4 pts) A student was given two unknown carbonyl compounds to identify during his organic chemistry lab period. He performed the following procedures on both unknown samples: - semicarbazone derivative formation -2,4-dinitrophenylhydrazine derivative formation - boiling point determination (by distillation) - refractive index His results are...
EXPERIMENT 8: Synthesis of Aquapentaammine-Cobalt (II) Nitrate, [Co(NH)sH2O1(NO)s Pre-Lab Questions: The complex salt [Cu(NH3)4][SO,1- H,O can be prepared by direct combination of its constituents: Cu +4 NH,+SO+ H2O [Cu(NH)JSO. H;O In an aqueous reaction solution contained 1.0 g CuCl, 2H2O, 1.0 mL 14 M NHs, and 1.0 g NazSO, what would be the maximum theoretical vield (in grams) of product? To what percent yield would 0.42 g of product correspond? Your yield of crude product is 1.8 g and you...
Make a purpose statement synthesis equation table of contents
and theoretical yield for the synthesis of veratraldehyde oxime (
example given)
NITRILE 1. SYNTHESIS oF VERATRALDEHYDE oxiME Review From previous lab procedures: suction filtration, recrystallization From organic chemistry text: sections 18.15, 18.16 Introduction oximes are usually prepared as derivatives of aldehydes and ketones, and they are used as a means of characterizing them and them. However, be reduced to amines or dehydrated to yield nitriles. Thus, they are also useful...
Please help me answer questions #1 through #12. Lab information
and results are listed to the right side. Thank you!
Paragraph . 1マーに 1 HTTL 2 | x' x, | so ea l E 1ヨ回ドもデ. | 2m 규亨ー过1K % Yield g aspirin obtained/ g aspirin calculated x 100 1. Mass of empty Erlenmeyer Flask,EF 2. Mass of EFsalicylic acid 3. Mass of EF+sslicylic acid + acetic anhydride 4. Mass of E 5. Calculate mass of salicylic acid used 8. Calculate...
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