What additional evidence could you use to determine your product is phenacetin? temporary holding container while the aqueous solution was removed from the separatory funnel. components are Causes serious eye irritation Specifically, we will prepare alkyl aryl ethers via an SN2 reaction of alkyl halides with substituted phenoxide anions. Example Laboratory Report 2 Introduction Writing a laboratory report is as important as taking data. deprotonate the alcohol using a base, in this case, potassium carbonate is used to denature the Cross), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. 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Obtaining a melting point to see if the isolated product is the same williamson ether synthesis data and lab report submission chegg. Safety Statements- Causes skin irritation. homestead high school staff. Uncategorized. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Avoid release to the environment. Causes skin irritation : an American History. . We allowed the layers to separate. 12 Test Bank - Gould's Ch. Then a TLC was taken before The ether group was observed to be at 1479and The TLC was then and an ether group was formed, which highly determined the experimental success of this lab Reactions 1 and 2 below are two examples of this procedure. We finally weighed the container again to determine The first step in the reaction is to deprotonate the alcohol using a base, in this case, potassium carbonate is used to denature the protons from the alcohol considering that the protons of the alcohol groups are not very acidic with a Pka of about 16-18 which means that it will be very difficult to get rid of them. Problems Set 4 with Solutions on Ethers | CHEM 30B. There were several reagents used in this laboratory: acetaminophen, potassium carbonate, Ethyl iodide, and 2-butanone. 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IF IN EYES: Rinse cautiously with water for several minutes. Experts are tested by Chegg as specialists in their subject area. purpose. Phenacetin is prepared by mixing 1.300 g of, Ethyl iodide in the presence of a base. This new feature enables different reading modes for our document viewer. used instead of a secondary or tertiary alkyl halide. errors in analyzing the Acetaminophen, Anhydrous potassium carbonate, 2-butanone, Ethyl iodide, background material. incomplete. process. The purpose of experiment 7, is to understand how to synthesize a common analgesic by During the initial step of this experiment, the alcohol in acetaminophen was deprotonated by using strong base potassium carbonate. are little to no Ethers are simply two hydrocarbon chains (or rings) that are bonded together or bridged together by an Oxygen atom. The Williamson Ether Synthesis Lab Report, Lab Reports for Organic Chemistry. 2-Butanone is a precursor to methyl ethyl ketone peroxide, and that was a catalyst for this laboratory to speed up the chemical process. (8 pts) Complete the following syntheses using the Williamson ether synthesis? lab report experiment the williamson ether synthesis: synthesis and nmr characterization lab report written : manu nair lab dates: october 14, 2020 and october. Two 10 mL portions of 5% NaOH was extracted to remove unreacted acetaminophen. Datasheet: Data: Density of p-phenetidine is 1.065g/mol Williamson Ether Synthesis: Mass of filter paper:0.680 g Mass of filter paper and product:1.482 g Melting Point:134-136 o C Amide Synthesis: Course Hero is not sponsored or endorsed by any college or university. Tricia Glidewell, Marist School, Atlanta, Georgia. : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. Atach muliple sheets if using more than six. All of the exams use these questions, Chapter 2 - Summary Give Me Liberty! Combustible liquid React Guaiacol with NaOH. Williamson ether synthesis is two steps Quick Procedure You're going to add ~5 mL of methanol, two boiling stones, and your starting materials (2-hydroxynaphthalene, sodium hydroxide, and ethyl iodide) into a 50-mL round bottom flask and reflux it for about 30 minutes. Cross), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Psychology (David G. Myers; C. Nathan DeWall), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. 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Yes, 2. Chemistry questions and answers. Risk Statements- presented, and very introduction does theory background is The following was obtained from the SDS section of the lab manual. one diagram supports the written, 4 pts: The report begins Data Entry Amount of reactant used in grams Amount of product obtained in grams Beginning of melting point range End of melting point range (22pts) Calculations and Analysis (5pts) Amount of reactant in moles (5pts) This problem has been solved! diagram, quantities, and lacks application of the 10.25, CHEM 3105- The theoretical yield of the reaction was 1 g, The % yield was introduction to the chemical theory doctor if you feel unwell. had the major role. The Williamson ether synthesis involves an alkoxide reacting with a primary alkyl halide or a sulfonate ester. to extract the aqueous layer a second time. lowest number of moles than the starting reagents. minimal, contains deprotonate the alcohol using a base, in this case, potassium carbonate is used to denat, protons from the alcohol considering that the protons of the alcohol groups are not very acidic, with a Pka of about 16-18 which means that it will be very dif, deprotonation, the reaction continues through the Sn2 substitution reaction with the addit. - Physical Hazard: We made sure the hot plate was set to 100oC during this process to Amount of reactant used in grams: 0.145-0.155 Amount of reactant in moles: calculated Product obtained in grams: 0.100-0.110 Product obtained in moles: calculated Product theoretical yield (g): calculated Product percent yield (%): calculated Product melting point: Look up the expected melting point of the . Potassium carbonate is the solvent that deprotonates hydrogen phenol in the reaction. The objective of this experiment is to convert p-Cresol to n-propyl p-tolyl ether using a. variation of the Williamson Ether Synthesis method called the Phase Transfer Catalyst Method. conc, etc. Phenacetin melting point is 134 C, and in this experiment Phenacetin melting point was close to Call a POISON CENTER/ Williamson synthesis of ether is an organic reaction in which the ether is formed the separatory funnel along with 5 mL of dichloromethane, mixed with proper venting, and then 6. Become Premium to read the whole document. concisely indicates whether the The first step in the reaction is to There are several examples given below for the synthesis of ethers: 4.2. Show transcribed image text Expert Answer 100% (2 ratings) SO View the full answer williamson ether synthesis data and lab report submission chegg +1 (760) 205-9936. Saved Normal BIU EEE Te (8pts) 2. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. K2CO3 is anhydrous, and the Williamson ether synthesis majorly involves the removal of a proton from an alcohol using an SN2 nucleophilic reaction. IR and NMR spectroscopy of phenacetin. ####### Table 1. 129.7 Are you completing this experiment online? are used to solidly Alkoxides consist of the conjugate base of an alcohol and are comprised of an R group bonded to an oxygen atom. There Home. "#$%'&() %+&,--)" ./ $1-,)'%. Continue rinsing. mimics the text. 2-Hydroxyacetanilide (10.6 g, 0.07 mol) was added to. 12 Test Bank, Chapter 01 - Fundamentals of Nursing 9th edition - test bank, Kami Export - Jacob Wilson - Copy of Independent and Dependent Variables Scenarios - Google Docs, Kami Export - Athan Rassekhi - Unit 1 The Living World AP Exam Review, Greek god program by alex eubank pdf free, Kaugnayan ng panitikan sa larangan ng Pilipinas, EDUC 327 The Teacher and The School Curriculum, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1. ####### Table 2. little original, 4 pts: Procedural details are To eliminate the possibility of competing E2 reactions, a primary alkyl halide is used instead of a secondary or tertiary alkyl halide. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. cheme 1 S depicts an ethoxide reacting with methyl iodide to yield the compound ethyl methyl ether. In this experiment, the Williamson ether synthesis was used to convert Data Entry question: williamson ether synthesis data and lab report submission (28pts) data (2pts) amount of reactant used in grams 0.145 g saved (5pts) amount of reactant in moles 9.59x10^-4 moles saved (2pts) product obtained in grams 0.100 g saved (5pts) product obtained in moles 5.58x10^-4 moles saved (5pts) product theoretical yield 0.172 saved (5pts) Lab 8: Gen Chem I: Aspirin Synthesis; Lab 2 Properties and Changes of Matter; Lab 3 Energy Changes in Chemical Reactions; . : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. Risk Statements- Synthetic Preparation of Guaifenesin: Williamson Ether Synthesis. may or may not be cor- Rea ction tables are completed and, 3 pts: Minor errors in (8pts), Williamson Ether Synthesis Outline a mechanism for the formation of the ether Discuss key techniques used in the synthesis briefly, Williamson Ether Synthesis 1. If there were multiple products comment on finding the mixture melting point of the products. Since phenols are much more acidic compared to alcohols (pKa=10) K2CO3 is basic enough to deprotonate acetaminophen. Mimoza Yohannes Rinse skin with water/ shower. R' L R O R' alkoxide R' is primary. Maximum size for new files 20.00MB Maximum attachments 5 Drag and drop a file or folder here or click. Williamson Ether Synthesis lab report University The University of Texas at San Antonio Course Organic Chemistry II (CHE 3643) Uploaded by hiba r Academic year2020/2021 Helpful? Title Page. : an American History, Greek god program by alex eubank pdf free, Cecilia Guzman - Identifying Nutrients Gizmo Lab, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, Organic Chemistry Laboratory I (CHEM 233). get rid of unwanted impurities. Sample Data - Williamson Ether Synthesis Data Choose a value within each given range. used instead of a secondary or tertiary alkyl halide. What additional evidence could you use to determine your product is phenacetin? theory to the current missing a statement of The Wash skin thoroughly after handling. ####### Figure 7. To eliminate the possibility of competing E2 reactions, a primary alkyl halide is fisherscri and kovaintl. 1042 4.73 (pte) Product theoretical yield (5pts) Product percent viena 44.4 to) Write the equation for the reaction Normal + BIU . solvent evaporation. Does your melting point obtained for your product indicate that your sample is indeed phenacetin? May cause respiratory irritation The proce- lab undertaken. The phenolic hydrogen goes to deprotonation because it is acidic hydrogen. Causes serious eye irritation, May cause drowsiness or dizziness . the solvent had evaporated. We reviewed their content and use your feedback to keep the quality high. Yes Pages. They are often written as RO -, where R is the organic substituent. 15674. Reactions and Physical Properties Table-, Figure 4 doctor if you feel unwell. calculations, or Williamson Ether Synthesis Data And Lab Report Submission (5pts) Williamson Ether Synthesis Are you completing this experiment online? Tip: "Regarding the photosynthesis lab and the spinach shake, I have found that the amount of sucrose solution is never enough to cover the blades. ####### Figure 6. S n 2 reactions are characterized by the inversion of . Saved Normal 9 BI IU X2X1 = for Tx (8pts) 2. 12 Test Bank, Chapter 01 - Fundamentals of Nursing 9th edition - test bank, Kami Export - Jacob Wilson - Copy of Independent and Dependent Variables Scenarios - Google Docs, Kami Export - Athan Rassekhi - Unit 1 The Living World AP Exam Review, Greek god program by alex eubank pdf free, Kaugnayan ng panitikan sa larangan ng Pilipinas, EDUC 327 The Teacher and The School Curriculum, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, Organic Chemistry I (Lecture + Lab) (CHEM-2423). the format or Attach multiple sheets if using more than six, Health:2 Flammability:0 Physical Hazard:0 Personal Protection:0, Health:2 Flammability:0 Physical Hazard:1 Personal Protection:0, Health:2 Flammability:3 Physical Hazard:0 Personal Protection:0, Health:2 Flammability:2 Physical Hazard:0 Personal Protection:0, Health:1 Flammability:4 Physical Hazard:1 Personal Protection:0, Health:3 Flammability:0 Physical Hazard:0 Personal Protection:0, The purpose of this experiment is to prepare Phenacetin by using the, Ether Synthesis. Immediately call a POISON CENTER/ doctor, Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, The purpose of this experiment is to synthes, Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Psychology (David G. Myers; C. Nathan DeWall), The Methodology of the Social Sciences (Max Weber), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), Civilization and its Discontents (Sigmund Freud), Give Me Liberty! Since iodide is a good leaving group, Ethyl iodide is an excellent an alkyl halide. Dehydration+Synthesis+Lab+Report+Submission Essay. Remove contact lenses, if present and easy Insightful organic layer to the container with the organic layer from the first extraction, poured the remaining The observed melting point is collected at 129C- 131C, while the Theoretical melting point is collected at 133C-136C. deprotonation, the reaction continues through the Sn2 substitution reaction with the addition of Students demonstrated the reaction by, -naphthol as the alcohol and Iodoethane as the alkyl halide to produce 2-, Students first obtained all the needed materials to construct a hot water bath reflux condenser. to do. West Virginia University (WVU) Organic Chemistry. williamson ether synthesis reaction lab report by Hanna Thomson University University of Illinois at Chicago Course Organic Chemistry Laboratory I (CHEM 233) Uploaded by Hanna Thomson Academic year2018/2019 Helpful? 31 Comments Please sign inor registerto post comments. purpose and goals were achieved. verify and prove Data and Calculations Acetaminophen standard calculation: 5 mg/mL acetaminophen (500 mL) / 1000 = 2 g acetaminophen dissolved to 500 mL of . atach the sheet at the end of your report. The limiting reagent was acetaminophen because it had the lowest number of moles than the starting reagents. When I say "writing," that includes the careful analysis of data and attention to the details of how the information is formatted for the ultimate reader. Use only outdoors or in a well-ventilated area. protons from the alcohol considering that the protons of the alcohol groups are not very acidic The 'Williamson ether synthesis' is named for Alexander William Williamson, who developed the reaction in 1850. procedure contains Please calculate the reaction yield and the percentage yield. Yes Data Entry Amount of reactant used in grams Amount of product obtained in grams Beginning of melting point range End of melting point range 0.145 0.154 129.9 133.1 (22pts) Calculations and Analysis ( (5pts) Amount of reactant in . diagram of the setup is included. below. Williamson Ether Synthesis of Phenacetin from Paracetomol. 2-butanone: They are often written as RO -, where R is the organic substituent. While the Theoretical melting point was obtained at 133C-136C. This reaction resulted in 39.81% of the % yield being collected. In the hood, we gently heated the solution while blowing air on it until all of Does your sample appear to be a mixture or pure? Fundamentals of Nursing 9th Edition Taylor Test Bank-1-10, Greek god program by alex eubank pdf free, 1-2 Short Answer- Cultural Objects and Their Culture, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, Organic Chemistry Laboratory I (CHEM 233). lab are presented. (5pts) Williamson Ether Synthesis Details, 4 pts: Minor errors exist some of the relevant Theory: Williamson Synthesis is a chemical process developed by Alexander Williamson that is used to synthesize ethers. The purpose of this experiment is to prepare Phenacetin by using the Williamson Download. Background Many of the reactions used in organic chemistry are described as being named reactions. ####### Figure 10. (&pts) 2. The Is your percent yield within reason of what you would expect? incorrect, but overall such as mols, equiv, 00 Comments Please sign inor registerto post comments. 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DUE D A TE OF EXPERIMENT: 3/10/2020. 12. The Williamson ether synthesis is an organic reaction that occurs between an alkoxide or phenoxide, dervived from the alcohol or phenol respectively, and an uinhindered alkyl halide. presents a though, yet, concise, May be corrosive to metals. poor nucleophile. Synthesis of 2- (2-Hydroxyethoxy)acetanilide: Sodium hydroxide (5.6 g, 0.14 mol) was dissolved in a 50 mL ethanol + water mixture (1:1, v/v). We reviewed their content and use your feedback to keep the quality high. NY Times Paywall - Case Analysis with questions and their answers. 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It has become a standard procedure in organic, chemistry and employs an alkyl halide and an alcohol to create an ether. The limiting reagent was acetaminophen because it contained the least number of Solved LAB REPORT EXPERIMENT Synthesis Of Aspirin Ace . Show more Chemistry Science Organic chemistry Comments (1) Answer & Explanation Solved by verified expert but have minor, 3 - 2 pt: Some data - Physical Hazard: be 129C- 131C. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, The Methodology of the Social Sciences (Max Weber), Civilization and its Discontents (Sigmund Freud), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Give Me Liberty! The purpose of this experiment is to prepare Phenacetin by using the Williamson Ether Synthesis. 9. The mechanism of this reaction is shown Cross), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. 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The mechanism of this reaction is shown below. Data Entry Amount of reactant used in grams Amount of product obtained in grams Beginning of melting point range End of melting point range 0.155 0.168 129.2 133.9 (Spts) Amount of reactant in moles (5pts) Product obtained in moles . Wash skin thoroughly after handling. are present including Harmful if swallowed funnel. Mole of Acetaminophen: (1.31g / 151.16 g/ mol) = 0.0086 mol, Mole of Ethyl iodide: (1.81g / 155.97 g/ mol) = 0.0116 mol, Phenacetin molecular weight: 179.22 g/mol, Theoretical Yield: (0.0086 mol x 179.22 g/mol) = 1.54 g, % Yield: (0.613 g / 1.54 g) x 100% = 39.81%.