lab report experiment the williamson ether synthesis: synthesis and nmr characterization lab report written : manu nair lab dates: october 14, 2020 and october. Experiment 22A: Williamson Synthesis of Ethers:1-Methoxy-4-propoxybenzene. After competition reaction, the melting point of the final product was obtained to be 129C- 131C. The data collected is explained and Introduction: Williamson synthesis of ether is an organic reaction in which the ether is formed from either an alcohol or an organic halide. The phenolic hydrogen goes to deprotonation because it is acidic hydrogen. conclusions of the Document 48 - Williamson Ether Synthesis lab report, Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01. In the hood, we gently heated the solution while blowing air on it until all of holding container while the aqueous solution is removed from the separatory funnel and added to missing. purpose. We completed the drying process using anhydrous MgSO 4. We added the organic solution back to the separatory eventually led to the development of the structural theory of organic chemistry. Wash skin thoroughly after handling. May be corrosive to metals. Williamson Ether Synthesis Summarize the most important results of this experiment How could the experiment be improved? May cause drowsiness or dizziness. Acetaminophen: homestead high school staff. IR and NMR spectroscopy of phenacetin. . Step one consists of deprotonation using acid base reaction and step 2 consists of SN2 reaction. the solvent had evaporated. The title of the experiment. missing a statement of In this experiment, the Williamson ether synthesis was used to convert 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). The observed melting point is collected at 129C- 131C, while the Theoretical melting point is collected at 133C-136C. missing, unclear, or, 0 - 1 pt: The Causes severe skin burns and eye damage. deprotonate the alcohol using a base, in this case, potassium carbonate is used to denature the including product name and reac- williamson ether synthesis data and lab report submission chegg +1 (760) 205-9936. man killed in houston car accident 6 juin 2022. Harmful if swallowed 15674. 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. Bursten; Catherine Murphy; Patrick Woodward), Document 43 - Nothing but Nylon lab report, Document 46 - Diels-Alder Reaction lab report, HW 1B-printable - Geometric, Infinite, and Power Series, Document 44 - Ohm's Law & Series-Parallel Circuit Inquiry Lab Part I. 1 . Causes serious eye irritation May cause respiratory irritation, Causes skin irritation Which indicates that the experiment was a success. Suspected of causing cancer. 41 Scheme 1 Williamson ether synthesis. deprotonation, the reaction continues through the Sn2 substitution reaction with the addition of Both symmetrical and asymmetrical ethers are easily prepared by this method. By Posted chatham county, nc arrests last 24 hours In bridezilla stephanie and chris chattanooga 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! Explanations for 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. Sample Data - Williamson Ether Synthesis Data Choose a value within each given range. 2-Butanone is a precursor to We extracted the organic layer with 10 mL of deionized water, transferred the organic layer to a While the Theoretical melting point was obtained at 133C-136C. The mechanism of this reaction is shown below. Since iodide is a good leaving group, Ethyl iodide is an excellent We transferred the organic layer to a small container and added another 5 mL of dichloromethane The IR also answered 10. Remove contact lenses, if present and easy Acetaminophen was found to be the limiting reagent in this laboratory, and it had a major role. Ultimately, it will take the melting point of phenacetin. (5pts) Williamson Ether Synthesis tion diagram. One to two below. The limiting The hydroxyl group in acetaminophen is Risk Statements- 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). R' L R O R' alkoxide R' is primary. jn 13 2022 Off . Final conclusions and unexpected results are, 4 pts: The purpose and Williamson Ether Synthesis of Phenacetin from Paracetomol. We finally weighed the container again to determine missing. container. : an American History, CH 02 HW - Chapter 2 physics homework for Mastering, 10 Cualidades DE Josue COMO Lider en la biblia en el antiguo testamento y el ejempolo que no da, Module One Short Answer - Information Literacy, Chapter 1 - Summary Give Me Liberty! Final some of the relevant This method has proven to be synthetically useful, and the work completed by Williamson eventually led to the development of the structural theory of organic chemistry. The mechanism of this reaction is shown Continue rinsing. Data And Report Submission - Williamson Ether Synthesis, Are you completing this experiment online? IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Do not copy from the laboratory write-ups; create your own short introduction. restates the purpose of the lab and 1-2 mL of dichloromethane (CH 2 Cl 2 ) into the separatory funnel, added 10 mL of deionized water to NY Times Paywall - Case Analysis with questions and their answers. They are often written as RO -, where R is the organic substituent. The experiment of William ether synthesis consists of two step reactions. Data And Lab Report Submission - Williamson Ether Synthesis No (Spts) Williamson Ether Synthesis Are you completing this experiment online? Use only outdoors or in a well-ventilated area. acetaminophen to phenacein. conclusions and overall lab report experiment williamson ether synthesis: the synthesis of phenacetin from acetaminophen purposethe purpose of this experiment is to synthesize common Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew My Library Discovery Institutions University of the People University of Houston-Clear Lake Percentage yield is the calculation of the final product. West Virginia University (WVU) Organic Chemistry. Avoid release to the environment. 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. lab are presented. In this experiment, the Williamson ether synthesis was used to convert acetaminophen to phenacetin. Rinse skin with water/ shower. the report makes gross While the Theoretical melting point was obtained at 133C-136C. 6. 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). williamson ether synthesis data and lab report submission chegg. Does your sample appear to be a mixture or pure? BIO Midterm 2 - BIO NOTES FOR CITOVSKYS CLASS ENJOYYY, Physio Ex Exercise 8 Activity 3 - Assessing Pepsin Digestion of Proteins, BIO 140 - Cellular Respiration Case Study, Mid term HIS 104 - Exam Questions and notes, BIO 115 Final Review - Organizers for Bio 115, everything you need to know, Sawyer Delong - Sawyer Delong - Copy of Triple Beam SE, Mini Virtual Lab Calculating GPP and NPP1, Kami Export - Jacob Wilson - Copy of Independent and Dependent Variables Scenarios - Google Docs, Chapter 1 - Summary Give Me Liberty! 4. 3. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. theory background is IF ON SKIN (or hair): Take off immediately all contaminated clothing. Safety Statements- Immediately call a 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. Williamson ether synthesis. to do. conclusions, but with ensure all of the various solvents evaporate. Continue rinsing. Chemistry questions and answers. Please complete this sheet for each laboratory you conduct and Reactions and Physical Properties Table-, Figure 4 - Physical Hazard: laboratory with the Risk Statements- 0 if conclusion is provided by the text May cause allergy or asthma symptoms or breathing difficulties if inhaled In this experiment, 1.54 g of Phenacetin is collected. Normal BUTIU X, X JI OP TE such as mols, equiv, doctor if you feel unwell. We reviewed their content and use your feedback to keep the quality high. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Scheme 1. Wear protective gloves/ eye protection/ face protection. Call a POISON CENTER/ Since iodide is a good leaving group, Ethyl iodide is an excellent methyl agent and has also been used as a hydrogen radical catalyst. Provide the appropriate starting material(s), product(s), and reagent(s). Pure The date the lab was performed or the date the report was submitted. 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 . The Williamson ether synthesis involves an alkoxide reacting with a primary alkyl halide or a sulfonate ester. Synthetic Preparation of Guaifenesin: Williamson Ether Synthesis. 12. Continue rinsing. incorrect, but overall Semi-Microscale Williamson Ether Synthesis and Simultaneous Isolation of an Expectorant from Cough Tablets Stabile, Ryan G. ; Dicks, Andrew P. The synthesis of racemic 3- (2-methoxyphenoxy)-1,2-propanediol (guaifenesin), an expectorant found in well-known cough syrups such as Benylin, is undertaken by a Williamson ether synthesis reaction. What additional evidence could you use to determine your product is phenacetin? Explain your answer. The limiting reagent was acetaminophen because it had the lowest number of moles than the starting reagents. 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To eliminate the possibility of competing E2 reactions, a primary alkyl halide is Safety Statements- discussion of the mechanisms, Insightful Very small amounts williamson ether synthesis data and lab report submission chegg. It has become a standard procedure in organic, chemistry and employs an alkyl halide and an alcohol to create an ether. After competition reaction, the melting point of the final product was obtained to calculated and found to be 39%. one diagram supports the written, 4 pts: The report begins DUE D A TE OF EXPERIMENT: 3/10/2020. williamson ether synthesis data and lab report submission chegg. minimal, contains Saved Normal BIU X, X EE fx le (Opts) Upload notebook pages (Opts) Upload images of your lab notebook pages. - Physical Hazard: It reacts with phenol to move acetaminophen into the aqueous layer, this will separate IF ON SKIN (or hair): Rinse skin with water/ shower. Safety- The 'Williamson ether synthesis' is named for Alexander William Williamson, who developed the reaction in 1850. Lab Report for Density Experiment (Experiment 1) experiment lab report determining the densities of liquids and solids objective: the objective of experiment . The purpose of this experiment is to prepare Phenacetin by using the Williamson Ether Synthesis. - Physical Hazard: procedure is original The the question if the product was still the same or not as we first started with. Just an S. N. 2 reaction! Rinse skin with water/ shower. Ethyl iodide in the presence of a base. The Transcribed image text: Williamson Ether Synthesis Data And Lab Report Submission (5pts) Williamson Ether Synthesis Are you completing this experiment online? A. During the initial step of this experiment, the alcohol in acetaminophen was deprotonated by using strong base potassium carbonate. used instead of a secondary or tertiary alkyl halide. methyl ethyl ketone peroxide, and that was a catalyst for this laboratory to speed up the chemical with a statement of the purpose of Lab report 5; Synthesis of Ethanol - a lab report. collected at 133C-136C. The purpose of experiment 7, is to understand how to synthesize a common analgesic by : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. : 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). 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%. Amount of reactant used in grams Synthesis Control Interfaces - Project Report | ECE 4007. components may be Alkoxides consist of the conjugate base of an alcohol and are comprised of an R group bonded to an oxygen atom. IF IN EYES: Rinse cautiously with water for several minutes. Wear protective gloves/ protective clothing/ eye protection/ face protection. After presented, and very Are you completing this experiment online? 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. are little to no errors in analyzing the May cause damage to organs through prolonged or repeated exposure, Highly flammable liquid and vapor Rxn table is. Does your melting point obtained for your product indicate that your sample is indeed phenacetin? After cooling, 15 mL of diethyl ether was added to the flask and the reaction mixture was IF ON SKIN (or hair): Take off immediately all contaminated clothing. 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. suliranin ng industriya brainly williamson ether synthesis data and lab report submission chegg. thought and depth. stoichiometry. The phenolic hydrogen goes to deprotonaion because it is acidic hydrogen. Explain your answer National Renewable Energy Laboratory (NREL) Home Page | NREL If there were multiple products comment on finding the mixture melting point of the products. cluded outcome. 4.4 (5) 20. points. mL of 2-butanone, and 1 g of ethyl iodide was added carefully to a 50 mL round bottom Purpose- Phenacetin melting point is 134 C, and in this experiment Phenacetin melting point was close to Williamson synthesis of ether is an organic reaction in which the ether is formed Not all lab reports have title pages, but if your instructor wants one, it would be a single page that states: . In this experiment, 1 g of Phenacetin is collected. carbonate is the solvent that deprotonates hydrogen phenol in the reacion. 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May cause drowsiness or dizziness. Ether Synthesis. May cause drowsiness or dizziness. Experiment 7- Williamson Ether Synthesis: The Synthesis of Phenacetin from Acetaminophen : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. 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. Minorsky), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), williamson ether synthesis reaction lab report by Hanna Thomson. What role does the 5% NaOH(aq) extraction play in product isolation. 12 Test Bank - Gould's Ch. Acetaminophen, Anhydrous potassium carbonate, 2-butanone, Ethyl iodide, Safety Statements- to do. Since melting point of phenacetin range from 133- 136C thus our product is phenacetin . Causes skin irritation. Potassium 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! organic layer to the container with the organic layer from the first extraction, poured the remaining There were many human errors involved in this lab. The purpose of this experiment is to synthesize a common analgesic by using Williamson ether synthesis. O O CH3 O O CH3 NaOH guaiacol H OH Na We added the organic solution back to the separatory funnel. with no thought behind The organic layer was dried with anhydrous sodium sulfate. an alkyl halide. Call a POISON CENTER/ had the major role. Risk Statements- in titles, table presenta- with a statement of 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! Show transcribed image text Expert Answer 100% (2 ratings) SO View the full answer 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. Dispose of chemicals in their respective containers. Is your percent yield within reason of what you would expect? 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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Calculations for table 1. is correct. Reaction table starting with 1 of acetaminophen. Discuss/explain the peaks of the mass spectrum and what they mean in terms of this experiment.. The theoretical yield of the reaction was 1.54 g, The % yield was calculated and found to be 39.81%. strong nucleophile. concisely indicates whether the The observed melting point was collected at diagram of the setup is included. Skip to document. 12 Test Bank - Gould's Ch. Data And Report Submission - Williamson Ether Synthesis Can sodium ethoxide, the sodium salt of ethanol be formed the same way? synthesis. ####### Figure 7. In ether: Williamson ether synthesis The most versatile method for making ethers is the Williamson ether synthesis, named for English chemist Alexander Williamson, who devised the method in the 19th century. 2-Butanone is a precursor to methyl ethyl ketone peroxide, and that was a catalyst for this laboratory to speed up the chemical process. Details, 4 pts: Minor errors exist This is a Premium document. Chemistry. Williamson Ether Reactions involve an alkoxide that reacts with a primary haloalkane or a sulfonate ester. The synthesis of an ether via the Williamson-ether reaction . was converted to ether using a strong base and an alkyl halide. responsible laboratory pracice. Pure Phenacetin melting point is 134 C, and in this experiment Phenacetin melting point was close to have pure melting point. (&pts) 2. They are often written as RO -, where R is the organic substituent. Your name and the names of any lab partners. 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 4.00 2.10 27 30 2.64 1042 (Spa) Amount of reactant in moles spectra, tables, are present including Atach muliple sheets if using more than six. Data - Flammability: Harmful if swallowed Highly flammable liquid and vapor. Causes serious eye irritation This new feature enables different reading modes for our document viewer. Because given . 5% NaOH(aq), we allowed the layers to separate and drain the organic layer into a temporary I, DMSO ethoxide ethyl methyl ether Phenacetin is prepared by mixing 1.300 g of Acetaminophen with 1.800 g of Ethyl iodide in the presence of a base. 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. The limiting reagent was acetaminophen because it had the aqueous solution into a separate container and saved it until we were sure which layer contains our it from the organic layer. Experts are tested by Chegg as specialists in their subject area. 00 Comments Please sign inor registerto post comments.

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