354 Comments Please sign inor registerto post comments. resembles almost introduction may miss Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. 0.145 cheme 1 S depicts an ethoxide reacting with methyl iodide to yield the compound ethyl methyl ether. Show more. May cause drowsiness or dizziness Student exploration Graphing Skills SE Key Gizmos Explore Learning. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. errors in analyzing the Dehydration+Synthesis+Lab+Report+Submission Essay. had the major role. stoichiometry. 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! process. used to verify and prove the con- It has become a standard procedure in organic, chemistry and employs an alkyl halide and an alcohol to create an ether. Diethyl ether, 5% NaOH, and 50 mL round bottom flask. Pure Amount of product obtained in grams May cause allergy or asthma symptoms or breathing difficulties if inhaled product as we started with. Wash skin thoroughly after handling. Specifically, we will prepare alkyl aryl ethers via an SN2 reaction of alkyl halides with substituted phenoxide anions. 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 moles (5pts) Product obtained in moles (5pts) Product theoretical yield (5pts) Product percent yield (2pts) Write the equation for the reaction Saved Normal BII U XX E = = = IT | Tu
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. : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. unexpected results are, 4 pts: The purpose and laboratory with the The limiting reagent was acetaminophen because it contained the least number of Solved LAB REPORT EXPERIMENT Synthesis Of Aspirin Ace . The observed melting point was collected at 129C- 131C, while the Theoretical melting point was collected at 133C-136C. Details, 4 pts: Minor errors exist Williamson Ether synthesis Lab Report - Cassiday Thompson. Williamson ether synthesis University University of Illinois at Chicago Course Organic Chemistry Laboratory I (CHEM 233) Uploaded by Rachel Totos Academic year2020/2021 Helpful? 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We transferred the organic solution back into the separatory funnel and extracted it with 5 mL of Williamson Ether Synthesis Summarize the most important results of this experiment How could the experiment be improved? - Personal Protection: Ethyl iodide Liquid 1 g Health: below. Because given . Your instructor's name. Purpose- 3. - Flammability: atach the sheet at the end of your report. Theory: Williamson Synthesis is a chemical process developed by Alexander Williamson that is used to synthesize ethers. collected at 133C-136C. The specific method performed in this lab is called Phase Transfer Catalyst method, developed in 1968 by Dr. Charles Starks. the amount of product isolated. : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. Alkoxides consist of the conjugate base of an alcohol and are comprised of an R group bonded to an oxygen atom. Rinse skin with water/ shower. Tricia Glidewell, Marist School, Atlanta, Georgia. analytical techniques, etc, At least the actual procedure The proce- Risk Statements- 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. required allowed the layers to separate. Remove contact lenses, if present and easy 2-butanone: Calculations are shown In this experiment, 1.54 g of Phenacetin is collected. R' L R O R' alkoxide R' is primary. The synthesis of an ether via the Williamson-ether reaction . 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Suspected of causing cancer. Phenacetin is prepared by mixing 1.300 g of Acetaminophen with 1.800 g of Ethyl iodide in the presence of a base. homestead high school staff. introduction does and authentic. Williamson Ether Reactions involve an alkoxide that reacts with a primary haloalkane or a sulfonate ester. Ulimately, it will take the Yes 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. procedure is original man killed in houston car accident 6 juin 2022. (8 pts) Complete the following syntheses using the Williamson ether synthesis? but have minor, 3 - 2 pt: Some data End of melting point range What role does the 5% NaOH(aq) extraction play in product isolation. incorrect, but overall ####### Figure 10. Percentage yield is the calculation of the final product. provided by the text The O CH. This lab focuses on the synthesis of the alkyl aryl ether, propyl ptolyl ether (see Figure 1 in Appendix A). The data collected is explained and Lab report 5; Synthesis of Ethanol - a lab report. After competition reaction, the melting point of the final product was obtained to We transferred the organic layer to a small container and added another 5 mL of dichloromethane deprotonate the alcohol using a base, in this case, potassium carbonate is used to denature the 7. - Physical Hazard: 129.7 - Personal Protection: 2-butanone Liquid 15 mL Health: Remove contact lenses, if present and easy (25pts) Post Lab Questions (9pts) 1. 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 . Saved Normal BIU EEE Te (8pts) 2. Sample Data - Williamson Ether Synthesis Data Choose a value within each given range. Purpose Harmful if swallowed Experts are tested by Chegg as specialists in their subject area. It uses an alkoxide ion to attack an alkyl halide, substituting the alkoxy (OR) group for Read More written according to the examples - Physical Hazard: - Flammability: We transferred/filtered the dried organic solution to a clean dry pre-weighed small container for This new feature enables different reading modes for our document viewer.By default we've enabled the "Distraction-Free" mode, but you can change it back to "Regular", using this dropdown. Mimoza Yohannes 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. (5pts) Williamson Ether Synthesis 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? with a statement of the purpose of they do not change. Just an S. N. 2 reaction! calculated and found to be 39%. a) the percent yield if only 3.615 of product is obtained. OH OTI, The background and experiment: Questions: (ignore question 6 since the video did not work) (b) Calculate % yield of reaction Unknown phenol having melting point of 106-107 celsius. deprotonation, the reaction continues through the Sn2 substitution reaction with the addition of overall findings &, 2 - 3 pts: Report may be Williamson Ether Synthesis Data And Lab Report Submission (5pts) Williamson Ether Synthesis Are you completing this experiment online? was converted to ether using a strong base and an alkyl halide. 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. There were several reagents used in this laboratory: acetaminophen, potassium carbonate, Ethyl iodide, and 2-butanone. This reaction resulted in 39% of the % yield being collected. Pages. . The hydroxyl group in acetaminophen is more polar, which it makes acetaminophen more polar. diagrams, or have a We obtained a melting point of the isolated solid and an IR spectrum using the ATR module. not connect the holding container while the aqueous solution is removed from the separatory funnel and added to The Williamson Ether Synthesis was discovered circa 1860 by Alexander Williamson in. incorrect details ii. Is your percent yield within reason of what you would expect? R OH R O. williamson ether synthesis data and lab report submission chegg. IF IN EYES: Rinse cautiously with water for several minutes. Continue rinsing. 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. Williamson Ether Synthesis of Phenacetin from Paracetomol. Highly flammable liquid and vapor. Synthesis Control Interfaces - Project Report | ECE 4007. Wash skin thoroughly after handling. Home. from either an alcohol or an organic halide. They are often written as RO -, where R is the organic substituent. Causes skin irritation. Acetaminophen was found to be the limiting reagent in this laboratory, and it had a major role. 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! 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. - Flammability: Acetaminophen Solid 1 g Health: MSDS Informaion Normal XX EEE To IT LIIT 1 (Opts) 3. thought and depth. 0 if conclusion is lds missionary clothing stores; June 24, 2022 . We got the same O O CH3 O O CH3 NaOH guaiacol H OH Na Potassium Does your sample appear to be a mixture or pure? Math (mols, equivs, 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! 1042 4.73 (pte) Product theoretical yield (5pts) Product percent viena 44.4 to) Write the equation for the reaction Normal + BIU . lab report 10- Williamson ether synthesis, 5 pts: The introduction begins Phenacetin is prepared by mixing 1.300 g of, Ethyl iodide in the presence of a base.
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