Problems Set 4 with Solutions on Ethers | CHEM 30B. Safety Statements- IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. 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. IF ON SKIN (or hair): Take off immediately all contaminated clothing. In the hood, we gently heated the solution while blowing air on it until all of The synthesis of an ether via the Williamson-ether reaction . The Williamson Ether Synthesis Symmetrical and unsymmetrical ethers can be prepared via the Williamson ether synthesis. verify and prove Williamson Ether Synthesis Data And Lab Report | Chegg.com Safety Statements- Chemistry questions and answers. diagrams, or have a The theoretical yield of the reaction was 1.54 g, The % yield was calculated and found to be 39.81%. Chemistry 211 Experiment 4 - MiraCosta College Does your melting point obtained for your product indicate that your sample is indeed phenacetin? - Physical Hazard: May cause allergy or asthma symptoms or breathing difficulties if inhaled lab report experiment the williamson ether synthesis: synthesis and nmr characterization lab report written : manu nair lab dates: october 14, 2020 and october. holding container while the aqueous solution is removed from the separatory funnel and added to the question if the product was still the same or not as we first started with. 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). Causes serious eye irritation. Risk Statements- They are often written as RO -, where R is the organic substituent. from either an alcohol or an organic halide. : 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! End of melting point range Theory: Williamson Synthesis is a chemical process developed by Alexander Williamson that is used to synthesize ethers. laboratory with the 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 . missing a statement of Williamson Ether Synthesis - CHEM 343 - UofL - Studocu Williamson Ether Synthesis - Mimoza Yohannes Lab partner - America 10.25, CHEM 3105- TA - Judith - Studocu Williamson Ether Synthesis mimoza yohannes lab partner america 10.25.2022, chem ta judith nwaiwu williamson ether synthesis of phenacetin from paracetomol DismissTry Ask an Expert Ask an Expert Sign inRegister Sign inRegister Home wesdes - organicchem.org Remove contact lenses, if present and easy Transcribed image text: Williamson Ether Synthesis Data And Lab Report Submission (5pts) Williamson Ether Synthesis Yes Are you completing this experiment online? Safety- temporary holding container while the aqueous solution was removed from the separatory funnel. May cause damage to organs through prolonged or repeated exposure, Highly flammable liquid and vapor williamson ether synthesis data and lab report submission chegg Experts are tested by Chegg as specialists in their subject area. 9. poor nucleophile. (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. Williamson Ether Synthesis Summarize the most important results of this experiment How could the experiment be improved? Purpose Williamson Ether Synthesis Data And Lab Report Submission (5pts) Williamson Ether Synthesis Are you completing this experiment online? Ethyl iodide in the presence of a base. If not, what is an effective. theory and analysis. cluded outcome. of acquisition method(s) copied from a, "#$%&'() %+&,)--)" ./ $0.$%&'() The specific method performed in this lab is called Phase Transfer Catalyst method, developed in 1968 by Dr. Charles Starks. connections CHEM 3105 Lab 6 Report - Experiment 7- Williamson Ether Synthesis: The In this reaction, an alcohol group on acetaminophen was converted to ether using a strong base and an alkyl halide. A. 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. Dehydration+Synthesis+Lab+Report+Submission Essay. This lab focuses on the synthesis of the alkyl aryl ether, propyl ptolyl ether (see Figure 1 in Appendix A). 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 . fisherscri and kovaintl. . Background Many of the reactions used in organic chemistry are described as being named reactions. 1042 4.73 (pte) Product theoretical yield (5pts) Product percent viena 44.4 to) Write the equation for the reaction Normal + BIU . Coral Reef Monitoring & Assessment - Mote Marine Laboratory ####### Figure 10. Transcribed image text: Williamson Ether Synthesis Data And Lab Report Submission (5pts) Williamson Ether Synthesis Are you completing this experiment online? 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 8.9: Nucleophilic substitution in the Lab - Chemistry LibreTexts deprotonate the alcohol using a base, in this case, potassium carbonate is used to denature the Final conclusions and Understanding hazards associated with chemicals is an integral component of safe and Use only outdoors or in a well-ventilated area. 129.7 : an American History (Eric Foner), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. Chemistry. funnel. 4.4 (5) 20. points. conclusions of the small amount of theory (5pts) Williamson Ether Synthesis Are you completing this experiment online? We made sure the hot plate was set to 100oC during this process to After competition reaction, the melting point of the final product was obtained to incorrect details 13 2.64 X10 product on tained in moles 2. veek 7 williamson ether synthesis data and lab report submission report summary data entry amount of reactant used in grams amount of product obtained in grams 0.151 0.162 beginning of melting point range 129.0 end of melting point range 134.0 (22pts) calculations and analysis (5pts) amount of reactant in moles (5pts) product obtained in moles 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 of the relevant Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. 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O O CH3 O O CH3 NaOH guaiacol H OH Na restates the purpose of the lab and williamson ether synthesis data and lab report submission chegg; 25 Jun June 25, 2022. aqueous solution into a separate container and saved it until we were sure which layer contains our several errors and/or substantive errors, or The Williamson reaction, widely used in both laboratory and industrial synthesis, remains the simplest and most popular method of preparing ethers. to do. Since iodide is a good leaving group, Ethyl iodide is an excellent Phenacetin is prepared by mixing 1 g of Acetaminophen with 1 g of 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. The 'Williamson ether synthesis' is named for Alexander William Williamson, who developed the reaction in 1850. Saved Normal BIU EEE Te (8pts) 2. Can sodium ethoxide, the sodium salt of ethanol be formed the same way? Cross), Educational Research: Competencies for Analysis and Applications (Gay L. 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Rea ction tables are completed and, 3 pts: Minor errors in $ 59.00 $ 29.00. 1 pt: Two or more principles of the original and authentic, and a 41 Scheme 1 Williamson ether synthesis. 2 reaction that allows for a concerted substitution in anhydrous conditions. Lab report 5; Synthesis of Ethanol - a lab report. Obtaining a melting point to see if the isolated product is the same Wash skin thoroughly after handling. Show more. with a statement of To eliminate the possibility of competing E2 reactions, a primary alkyl halide is used instead of a secondary or tertiary alkyl halide. Urna - All-in-one WooCommerce WordPress Theme. below. Sodium hydroxide reacts with -naphthol to form the sodium salt. Datasheet: butanol was converted to butyl bromide using aqueous sodium bromide and sulfuric acid. one diagram supports the written, 4 pts: The report begins : 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 3105). incomplete. 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. purpose. Rinse skin with water/ shower. 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 Semi-Microscale Williamson Ether Synthesis and Simultaneous Isolation homestead high school staff. contains little Transcribed image text: Williamson Ether Synthesis Data And Lab Report Submission (5pts) Williamson Ether Synthesis Are you completing this experiment online? williamson ether synthesis data and lab report submission chegg. Safety Statements- would return for an hour, then ater iltering the product and recrystallizing it. components may be 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. ####### Figure 6. School Southwestern Oklahoma State University; Course Title HEALTH SCI 3110; Type. We extracted the organic layer with 10 mL of deionized water, transferred the organic layer to a Williamson ether synthesis. a) the percent yield if only 3.615 of product is obtained. of material are dure is unclear or Normal BUTIU X, X JI OP TE Williamson Ether Synthesis Data And Lab Report | Chegg.com Student exploration Graphing Skills SE Key Gizmos Explore Learning. Do NOT induce vomiting. Causes severe skin burns and eye damage. Highly flammable liquid and vapor. Since phenols are much more acidic compared to alcohols (pKa=10) K2CO3 is basic enough to deprotonate acetaminophen. Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. : 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). responsible laboratory pracice. 2-butanone: components are OH OTI. organic layer to the container with the organic layer from the first extraction, poured the remaining synthesis - It is a process in which metal alkoxides react with primary alkyl halides and/or tosylates via SN2 - It is the best method for the preparation of ethers 15. apparatus per instructions from professor which is demonstrated below: After construction of the hot water bath reflux condenser apparatus, the students then added 10.0, -naphthol, 4.0 mL of 25% NaOH, and 3.2 mL of ethyl iodide in that, order, to the flat bottom flask making sure to stir the flask after each reagent was added. The proce- 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) Pro. Alkoxides consist of the conjugate base of an alcohol and are comprised of an R group bonded to an oxygen atom. to do. 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. doctor if you feel unwell. product. Calculations for table 1. Figure 1. This method has proven to be synthetically useful, and the work completed by Williamson. Show transcribed image text Expert Answer 100% (2 ratings) SO View the full answer Report document. (&pts) 2. Williamson Ether synthesis Lab Report - Cassiday Thompson was converted to ether using a strong base and an alkyl halide. PDF Williamson Ether Synthesis of an Expectorant - Guaifenesin - and its Continue rinsing. 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 Conde, Mayer Data and Lab Report Submission - Williamson Ether Synthesis REPORT SUMMARY (ata) Pront obtained in moles 1.17. Acetaminophen, Anhydrous potassium carbonate, 2-butanone, Ethyl iodide, minimal, contains - Flammability: Harmful if swallowed R' L R O R' alkoxide R' is primary. 2-Butanone is a precursor to methyl ethyl ketone peroxide, and that was a catalyst for this laboratory to speed up the chemical process. The mechanism of this reaction is shown below. IF ON SKIN (or hair): Rinse skin with water/ shower. Combustible liquid Very small amounts Introduction: Williamson synthesis of ether is an organic reaction in which the ether is formed from either an alcohol or an organic halide. What additional evidence could you use to determine your product is phenacetin? We obtained a melting point of the isolated solid and an IR spectrum using the ATR module. of the reaction was 1 g, The % yield was calculated and found to be 39%. - Physical Hazard: Williamson ether synthesis. May cause drowsiness or dizziness. Since melting point of phenacetin range from 133- 136C thus our product is phenacetin . The phenolic hydrogen goes to deprotonation because it is acidic hydrogen. williamson ether synthesis data and lab report submission chegg. used instead of a secondary or tertiary alkyl halide. Amount of reactant used in grams Williamson ether synthesis report - Hanna Thomson Lab 10 - StuDocu 3. Calculations for table 2. Provide the appropriate starting material(s), product(s), and reagent(s). such as mols, equiv, 2-Hydroxyacetanilide (10.6 g, 0.07 mol) was added to. Chem 2425 -__chap_18_(notes) - slideshare.net The observed melting point is collected at 129C- 131C, while the Theoretical melting point is collected at 133C-136C. synthesis. demonstrates proficient Causes serious eye irritation May cause respiratory irritation, Causes skin irritation 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; .
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