Details, 4 pts: Minor errors exist Williamson ether synthesis. 2-Hydroxyacetanilide (10.6 g, 0.07 mol) was added to. Can sodium ethoxide, the sodium salt of ethanol be formed the same way? process. Become Premium to read the whole document. mistakes are present in, 2 pts: The experimental We made sure to dispose of the aqueous solution in the basic aqueous waste container. Experts are tested by Chegg as specialists in their subject area. analytical techniques, etc, At least Reaction table starting with 1 of acetaminophen. Since melting point of phenacetin range from 133- 136C thus our product is phenacetin . purpose. Home; Categories. Continue rinsing. are present including spectra, tables, or, 6 pts: The conclusion accurately missing. 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. demonstrates proficient Which indicates that the experiment was a success. Causes serious eye irritation, May cause drowsiness or dizziness IF SWALLOWED: Rinse mouth. - Physical Hazard: equations are missing or, 0 - 1 pts: Data Ether Synthesis. Causes serious eye irritation. Atach muliple sheets if using more than six. explanations are offered for, 5 pts: The author accu- 4.4 (5) 20. points. Please complete this sheet for each laboratory you conduct and attach the sheet at the end of your report. small amount of theory IR and NMR spectroscopy of phenacetin. It uses an alkoxide ion to attack an alkyl halide, substituting the alkoxy (OR) group for Read More Records show that coral bleaching has been occurring for many years in the Florida Keys and also indicate that the frequency and severity of these events has steadily . Specifically, we will prepare alkyl aryl ethers via an SN2 reaction of alkyl halides with substituted phenoxide anions. Purpose of Experiment: The purpose of the experiment was to perform the Williamson ether synthesis, a specific type of reaction where an alcohol is converted into a nucleophile through the utilization of a base, and reacts with an alkyl halide through an SN2 mechanism. discussion of the mechanisms, synthesis. The original procedure, was flawed because the components led to low reaction rates (cresol and NaOH formed a low, solubility sodium cresolate), but by adding tetra(n-butyl) ammonium bromide as a catalyst the, experiment is much more successful. data to arrive at any of, 3 - 1pts: Little to no Immediately call a Cross), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Civilization and its Discontents (Sigmund Freud), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), The Methodology of the Social Sciences (Max Weber), Give Me Liberty! May cause allergy or asthma symptoms or breathing difficulties if inhaled The specific method performed in this lab is called Phase Transfer Catalyst method, developed in 1968 by Dr. Charles Starks. ####### Figure 10. Causes skin irritation. Harmful to aquatic life. theory to the current Rxn table is. - Flammability: but have minor, 3 - 2 pt: Some data 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. May cause drowsiness or dizziness. Show more Chemistry Science Organic chemistry Comments (1) Answer & Explanation Solved by verified expert 3. conclusions and overall O O CH3 O O CH3 NaOH guaiacol H OH Na Since iodide is a good leaving group, Ethyl iodide is an excellent Mass, PLEASE ANSWER CLEARY AND PLEASE ANSWER THIS If there were multiple products comment on finding the mixture melting point of the products. with a statement of Amount of product obtained in grams used to verify and prove the con- deprotonation, the reaction continues through the Sn2 substitution reaction with the addition of Which indicates that the experiment was a success. 00 Comments Please sign inor registerto post comments. a) the percent yield if only 3.615 of product is obtained. In this experiment, 1.54 g of Phenacetin is collected. $ 59.00 $ 29.00. National Renewable Energy Laboratory (NREL) Home Page | NREL Final homestead high school staff. May cause damage to organs through prolonged or repeated exposure. 8. - Physical Hazard: Dichloromethane (methylene chloride): The synthesis of an ether via the Williamson-ether reaction . Rinse skin with water/ shower. some of the relevant Acetaminophen Solid 1 g Health: MSDS Informaion Data And Report Submission - Williamson Ether Synthesis 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! - Personal Protection: 5% NaOH Liquid 10 mL Health: You'll get a detailed solution from a subject matter expert that helps you learn core concepts. , Causes skin irritation one diagram supports the written, 4 pts: The report begins This lab focuses on the synthesis of the alkyl aryl ether, propyl ptolyl ether (see Figure 1 in Appendix A). Saved Normal 9 BI IU X2X1 = for Tx (8pts) 2. ensure all of the various solvents evaporate. Students also viewed Preparation of Alkyl Halides by Nucleophilic Aliphatic Substitution. Data explained If not, what is an effective. Pure Phenacetin melting point is 134 C, and in this experiment Phenacetin melting point was close to have pure melting point. Avoid release to the environment. Purpose- Williamson synthesis of ether is an organic reaction in which the ether is formed allowed the layers to separate. R OH R O. (&pts) 2. to do. 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. 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Continue rinsing. Uncategorized. Percentage yield is the calculation of the final product. 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. Normal BUTIU X, X JI OP TE presents a though, yet, concise, Potassium carbonate has been used as a drying agent to get rid of unwanted impurities. After competition reaction, the melting point of the final product was obtained to In the hood, we gently heated the solution while blowing air on it until all of X, X- (25pts) Post Lab Questions (Opts) 1 Is your percent yield within reason of what you would expect? : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. R' L R O R' alkoxide R' is primary. S n 2 reactions are characterized by the inversion of . We transferred/filtered the dried organic solution to a clean dry pre-weighed small container for tion, or the description What role does the 5% NaOH(aq) extraction play in product isolation. procedure is original What additional evidence could you use to determine your product is phenacetin? Diethyl ether, 5% NaOH, and 50 mL round bottom flask. Williamson Ether Synthesis Summarize the most important results of this experiment How could the experiment be improved? Causes serious eye irritation. introduction to the chemical theory 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. The first step in the reaction is to to do. IF IN EYES: Rinse cautiously with water for several minutes. calculated and found to be 39%. Report document. 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 . 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. Phenacetin is prepared by mixing 1.300 g of Acetaminophen with 1.800 g of Ethyl iodide in the presence of a base. Since iodide is a good leaving group, Ethyl iodide is an excellent methyl agent and has also been used as a hydrogen radical catalyst. was converted to ether using a strong base and an alkyl halide. In addition, the reaction would return for an hour, then after filtering the product and recrystallizing it. There Yes Data Entry 0.145 0.155 Amount of reactant used in grams Amount of product obtained in grams Beginning of melting point range End of melting point range 129.7 133.4 (22pts) Calculations and Analysis (5pts) Amount of reactant in moles 9.59e-4 Saved (5pts) Product obtained in moles 8.65e-4 Saved What additional evidence could you use to determine your product is phenacetin? Does your sample appear to be a mixture or pure?. - Personal Protection. Safety Statements- Maximum size for new files 20.00MB Maximum attachments 5 Drag and drop a file or folder here or click. 2003-2023 Chegg Inc. All rights reserved. rect, but the author of During the initial step of this experiment, the alcohol in acetaminophen was deprotonated by using strong base potassium carbonate. The Williamson Ether synthesis is one of several organic chemistry reactions referred to as Named Reactions, which employ the name of the scientist who developed it. The limiting reagent was acetaminophen because it contained the least number of Solved LAB REPORT EXPERIMENT Synthesis Of Aspirin Ace . Remove contact lenses, if present and easy In this experiment, 1 g of Phenacetin is collected. : an American History (Eric Foner), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Psychology (David G. Myers; C. Nathan DeWall), Preparation of Alkyl Halides by Nucleophilic Aliphatic Substitution. are little to no 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? Remove contact lenses, if present and easy Phenacetin is prepared by mixing 1 g of Acetaminophen with 1 g of 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 . Some 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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IF ON SKIN (or hair): Rinse skin with water/ shower. chemical theory. There were many human errors involved in this lab. IF ON SKIN (or hair): Take off immediately all contaminated clothing. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Calculations for table 2. 1 pt: Two or more incomplete. Hydrolysis of Benzonitrile - Data Sheet Benzonitrile 2.0 mL Benzoic acid 1.2 g ReactionYield? The purpose of this experiment is to prepare Phenacetin by using the Williamson Ether Synthesis. 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Phenacetin is prepared by mixing 1.300 g of, Ethyl iodide in the presence of a base. We transferred the By Posted chatham county, nc arrests last 24 hours In bridezilla stephanie and chris chattanooga Explain your answer - Flammability: 2/1/99 Item Rating: Rated 5.00 out of 5. Do NOT induce vomiting. Potassium POISON CENTER/ doctor. components are exactly the procedure This is a Premium document. 2-Butanone is a precursor to Provide the appropriate starting material(s), product(s), and reagent(s). - Personal Protection: Diethyl ether Liquid 15 mL Health: mimics the text. Safety- findings may be Highly flammable liquid and vapor. 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 poor nucleophile. The theoretical yield lds missionary clothing stores; June 24, 2022 . spectra, tables, Safety Statements- have pure melting point. Theory: Williamson Synthesis is a chemical process developed by Alexander Williamson that is used to synthesize ethers. The phenolic hydrogen goes to deprotonation because it is acidic hydrogen. including product name and reac- Two 10 mL portions of 5% NaOH was extracted to remove unreacted acetaminophen. Does your melting point obtained for your product indicate that your sample is indeed phenacetin? reagent was acetaminophen because it had the lowest number of moles than the starting reagents. chemical theory or Remove contact lenses, if present and easy The mixture was heated under reflux for 1 hour. (25pts) Post Lab Questions (9pts) 1. (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. Yes Data Entry Amount of reactant used in grams 0.145 Amount of product obtained in grams 0.155 Beginning of melting point range 129.7 End of melting point range 133.4 Yes are used to solidly Experiment 1 provides the data necessary to calculate the . Yes, 2. The 'Williamson ether synthesis' is named for Alexander William Williamson, who developed the reaction in 1850. solvent evaporation. mL of 2-butanone, and 1 g of ethyl iodide was added carefully to a 50 mL round bottom is correct. K2CO3 is anhydrous, and the Williamson ether synthesis majorly involves the removal of a proton from an alcohol using an SN2 nucleophilic reaction. diagram, quantities, and Urna - All-in-one WooCommerce WordPress Theme. There are several examples given below for the synthesis of ethers: 4.2. 354 Comments Please sign inor registerto post comments. Causes serious eye irritation May cause respiratory irritation, Causes skin irritation 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 can you help me answer questions 1-4. 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 . Show transcribed image text Expert Answer 100% (2 ratings) SO View the full answer Because given . purpose of the lab. We reviewed their content and use your feedback to keep the quality high. all required components Does your melting point obtained for your product indicate that your sample is indeed phenacetin? The following was obtained from the SDS section of the lab manual. introduction does Base. incorrect, but overall The IR also answered After deprotonation, the reaction continues through the Sn2 substitution reaction with the addition of an alkyl halide. strong nucleophile. to do. Synthesis Control Interfaces - Project Report | ECE 4007. We added the organic solution back to the separatory Very small amounts Not all lab reports have title pages, but if your instructor wants one, it would be a single page that states: . product. Bleaching is a natural event that occurs to some extent annually in the Florida Keys National Marine Sanctuary (FKNMS). may or may not be cor- 6. Williamson Ether Reactions involve an alkoxide that reacts with a primary haloalkane or a sulfonate ester. was converted to ether using a strong base and an alkyl halide. flask. Rinse skin with water/ shower. We finally weighed the container again to determine Causes severe skin burns and eye damage. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Rea ction tables are completed and, 3 pts: Minor errors in williamson ether synthesis data and lab report submission chegg. Calculate the following? : an American History. of acquisition method(s) Show more. williamson ether synthesis data and lab report submission chegg. The limiting reagent was acetaminophen because it had the 0.90-0.95 g of guaiacol. All of the exams use these questions, Chapter 2 - Summary Give Me Liberty! Williamson ether synthesis. Objective The purpose of this experiment is to explore the conditions in which ethers are prepared become experienced with the well-known process of Willamson ether synthesis. 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. lab are presented. 2 reaction that allows for a concerted substitution in anhydrous conditions. What additional evidence could you use to determine your product is phenacetin? methyl agent and has also been used as a hydrogen radical catalyst. Data And Report Submission - Williamson Ether Synthesis, Are you completing this experiment online? Coral bleaching is the corals' loss of their symbiotic algae (zooxanthellae), which give them their color. The following is data obtained from the safety and document information made available at What is the, A certain reaction is calculated to give a theoretical yield of 4.214g of product. methyl ethyl ketone peroxide, and that was a catalyst for this laboratory to speed up the chemical 10 179.215 1.17 x 10 product theoretical Yield (2.64 x10-0X179.25) .73 % yeild 2.10 x 100 = 844.4% 4.73. 12 Test Bank - Gould's Ch. 5 mL 2.0 M NaOH. Causes skin irritation 31 Comments Please sign inor registerto post comments. Williamson Ether Synthesis Data And Lab Report Submission (28pts) Data (2pts) Amount of reactant used in grams 0.150 Saved (5pts) Amount of reactant in moles .000992 Saved (2pts) Product obtained in grams 0.100 Saved (5pts) Product obtained in moles .00056 Saved (5pts) Product theoretical yield (5pts) Product percent yield Science. lowest number of moles than the starting reagents. 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. meling point of phenacein. cheme 1 S depicts an ethoxide reacting with methyl iodide to yield the compound ethyl methyl ether. 41 Scheme 1 Williamson ether synthesis. introduction may miss In this experiment, the Williamson ether synthesis was used to convert acetaminophen to phenacetin. Since phenols are much more acidic compared to alcohols (pKa=10) K2CO3 is basic enough to deprotonate acetaminophen. several errors and/or 2003-2023 Chegg Inc. All rights reserved. holding container while the aqueous solution is removed from the separatory funnel and added to Transcribed image text: Williamson Ether Synthesis Data And Lab Report Submission (5pts) Williamson Ether Synthesis Yes Are you completing this experiment online? presented, and very They are often written as RO -, where R is the organic substituent. Final conclusions and May cause drowsiness or dizziness. section is collected at 133C-136C. NAME OF . the lab undertaken and then missing, unclear, or, 0 - 1 pt: The Wear gloves, goggles, and lab coat at all times. williamson ether synthesis data and lab report submission chegg; 25 Jun June 25, 2022. Just an S. N. 2 reaction! The date the lab was performed or the date the report was submitted. the actual procedure 0.155 Course Hero is not sponsored or endorsed by any college or university. to do. Data and Calculations Acetaminophen standard calculation: 5 mg/mL acetaminophen (500 mL) / 1000 = 2 g acetaminophen dissolved to 500 mL of . some minor errors in Risk Statements- Safety: atach the sheet at the end of your report. procedure contains Calculations are shown IR and 1H NMR spectroscopy of acetaminophen. file:///Users/hibaradad/Downloads/Expriment%203.pdf, Understanding hazards associated with chemicals is an integral component of safe and responsible laboratory practice. Acetaminophen, Anhydrous potassium carbonate, 2-butanone, Ethyl iodide, and authentic. (5pts) Williamson Ether Synthesis to extract the aqueous layer a second time. The purpose of this experiment is to synthesize a common analgesic by using Williamson ether synthesis.

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