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Esterification lab discussion. May 28, 2023 · View Esterification Final.
- Esterification lab discussion. 1. Experiment 10: Fischer Esterification: An ester from a carboxylic acid and an alcohol Objectives The purpose of this experiment is to provide a practical example of the synthesis of an ester, using the Fischer esterification method. They can be used as constituents of perfumes, flavoring agents, and organic solvents. Feb 3, 2025 · Results: TABLE SHOWING LAYER FORMATION AND SMELL OF DIFFERENT ESTERS Ester Layers formed Smell Methyl ethanoate Yes, two layers Like acetone Ethyl ethanoate Yes, two layers Sweet, fruity odor Isopropyl ethanoate Yes, two layers Fruity odor Discussion: Esterification is a chemical reaction where an alcohol reacts with carboxylic acid to produce an ester and water. Our main goal in this lab was to determine the purity of the product and the mole ratio of ester to alcohol, as well as the equilibrium constant, using the techniques of H NMR spectroscopy and Gas Chromatography. May 5, 2017 · Patrick Feng (pf4639) Organic Chemistry Lab (50905) Dr. Once the reaction is run, the organic layer is extracted after water is removed from the product using sodium bicarbonate. (Equation 2) Like Fischer esterification, this reaction is catalyzed by acid, but unlike Fischer esterification, it is very fast and irreversible. In this reaction, the oxygen on the alcohol serves as the The purpose of this experiment is to use Fischer Esterification by reflux, extraction, and Preview text Discussion: Too much solvent cannot be added because no haziness production is needed for crystal formation. Investigate the reactions between a range of alcohols and acids by producing a variety of esters in this class experiment. Post-Lab Questions: Fischer Esterification (10 pt) 1. Title: Fischer Esterification with the Microwave II. This experiment focuses on Fischer esterification, a method for carboxylic acid derivatization. The reaction will be catalyzed by the addition of sulfuric acid. Apr 14, 2014 · View Lab - Organic chemistry lab report- Saponification from CHEMISTRY 12 at National University of Singapore. Ethyl Acetate has many uses, both as a solvent and as… Nov 14, 2012 · Background Esterification is a straightforward reaction that utilizes several key techniques in synthetic organic chemistry. Pre-Lab I. Esterification postlab arianna capuano esterification postlab discussion: in this lab, acetic acid was esterified with butanol in dean stark azeotropic Sep 11, 2018 · Barry Allahyar Dr. And so in the lab, you guys are going to be synthesizing a whole bunch of different esters, and one of the ways that you may be able to identify it is by what it smells like. Figure 6 2 1. This reaction is a crucial process in organic chemistry as it allows for the synthesis of a wide range of esters, which are important compounds in various industries such as food, fragrance, and pharmaceuticals. However, the NMR spectra did not provide conclusive evidence for the hypothesized product. USF post lab experiment synthesis of acetylsalicylic acid (aspirin) gabriel prieto chm2211l. Feb 26, 2025 · May 2nd, 2018 - The lab technician is the chemistry teacher?s best friend and use of MSDS 5 Recording of results and discussion questions for the esterification' Apr 17, 2015 · Introduction Ethyl Acetate is a broadly used solvent. Dodd CHEM 2122 2010-09-16 Experiment 19: Fischer Esterification, Conclusion The objective in this experiment was to efficiently perform an Fischer esterification of 1-butanol and acetic acid to form water and n-butyl acetate, and to confirm the esterification using IR spectroscopy analysis. The reactants were heated using a reflux apparatus so that the product would not be lost, and also served as a catalyst in the reaction. Before lab discuss your focus question with your small group and answer the questions found on the group experimental design sheet at the link here. The reactants were heated by microwaves. Acid chlorides react with alcohols to yield an ester and hydrochloric acid. Aimed at understanding esterification processes, functional group differentiation, and the practical applications of esters, the report discusses the characteristics of esters, their solubility variations, and the Apr 5, 2018 · Esterification Discussion Submitted by malberigi on Thu, 04/05/2018 - 21:39 Isopentyl propionate, an ester, was synthesized using the method Fischer esterification, with the reagents 3-methyl butanol and propanoic acid. Nov 26, 2024 · Discussion The objective of this esterification lab was to synthesise isoamyl butanoate from isoamyl alcohol and butanoic acid, with sulfuric acid serving as a catalyst. Esters are readily prepared from the condensation reaction of a carboxylic acid and an alcohol, catalyzed by the addition of a strong acid such as sulfuric acid. Sep 7, 2021 · Reaction Mechanism Discussion The purpose of the Esterification lab was to perform an esterification on isopentyl alcohol with acetic acid to form isopentyl acetate. B. Feb 25, 2025 · (1)Post-Lab Experiment 17A – Synthesis of Aspirin Kathryn McHugh CHM2211-0015 Lab date: 11/07/2024 (2)Process and Results Purpose: To practice acetylation and esterification through Fischer esterification by synthesizing the compound aspirin. The isopentyl acetate was distilled and collected by using a water-jacketed Esterification Reaction: Esters are most commonly formed by a reaction between a carboxylic acid and an alcohol in the presence of an acid catalyst such as concentrated sulphuric acid (H 2 SO 4). The product is formed during reflux, and will be purified by distillation, and assessed by refractive index. Includes procedure, safety, and pre-lab work. Boiling Point, gas chromatography and infrared spectroscopy will be used to analyze the ester Group Assignment: 2 (apple) Balanced The document summarizes experiments conducted on carboxylic acids and their derivatives. Mar 23, 2020 · Esterification Postlab Discussion: Throughout this experiment the reaction observed was an acid-catalyze reaction between acetic acid and 1-butanol. Fischer Esterification Discussion + Conclusion This goal of this experiment was to conduct a Percent Yield is . The techniques used in the experiment are microwave reflux, liquid/liquid separation. Such a reaction yields an ester that contains a free (unreacted) carboxyl group at one end and a free alcohol group at the other end. Esterification Lab—Overview Day 1— “Introduction to Refluxing, Extraction and Drying the Product” Assembling a ground-glass reflux apparatus in the hood for Fisher synthesis of an ester from an unknown alcohol and unknown carboxylic acid. (NOTE: For IR part of discussion, IRs of starting materials and pure ester can be found in the Module for Experiment 06 Oct 7, 2024 · Ashun 2 Mannie Ashun CHEM 2212L Pre-Lab 7 July 6, 2020 Fischer Esterification Introduction: Fischer Esterification is a technique that is used for the derivatization of carboxylic acids from esters developed by noble prize winner Dr. Esterification lab 1. In an ester, the hydrogen in this group is replaced by a hydrocarbon group of some kind. 33, pgs 1049-1050 Sep 6, 2019 · Vy Nguyen CHEM 2423. This reaction yielded 3 g of isopentyl acetate, also known as banana oil and water as a by product. Conrad Fjetland 13 April 2017 Lab Report 10 – Fischer Esterification Data and Results The data collected for this experiment consists of the gas chromatography results. Aim: Preparation of soap via reverse esterification (saponification) reaction. Fisher esterification was used, first creating an active catalyst, pronating carboxylic acid so electrophilic is achieved. Results and Discussion Sections for Fischer Esterification Lab Report carboxylic acid derivatization fischer esterification results identity of the carboxylic The most common method for preparing esters is acid-catalyzed reaction of a carboxylic acid and an alcohol, a process known as Fischer esterification. EXPERIMENT #5 Fischer Esterification B. It normally proceeds the reactions in five steps. Doing so makes the solution too dilute and will affect the particle mass. S1L Lab: Fischer Esterification 8 July 2019 Results and Discussion A successful esterification was performed from using acetic acid and isopentenyl alcohol to make the product of Isopentyl acetate. Name: Megan Proffer Partner: Deep G. Fisher Esterification: Preparation of Banana Oil Reactions of Esters: Addition - Elimination, Chapter 19. pdf from CHEM 344 at University of Louisville. Equation and Mechanism for observation in the question above? 3. So if you make any of these combinations of esters, then they'll have all these different scents. In this experiment, ethanoic Synthesis, isolation and purification of esters in a direct esterification reaction using an alcohol and a carboxylic acid tutorial with experimental procedures tutorial for chemistry students. Oct 6, 2024 · Discussion Fischer esterification reactions are used to synthesize esters and they involve refluxing a carboxylic acid and alcohol in the presence of an acid catalyst 1 . Esterification is an equilibrium reaction, which means that the reaction doces not go to completion on its own. Key steps of the lab include the addition of the ether layer and the distillation process. Ester Synthesis Lab (Student Handout) Lab Report Components: The following must be included in your lab book in order to receive full credit. Esters have wide applications in variety of industries. Position of thermometer and sidearm not adhered to Discussion Fractional distillation would be technically more efficient for the mixture that was distilled. We would like to show you a description here but the site won’t allow us. Data analysis and discussion: The results of this experiment aimed to develop a better understanding of the products that formed from the esterification reaction between glacial acetic acid and n-butanol with the aim of forming n-butyl acetate. May 28, 2023 · View Esterification Final. The fractional column in the fractional distillation caused a second distillation. A commercially important esterification reaction is condensation polymerization, in which a reaction occurs between a dicarboxylic acid and a dihydric alcohol (diol), with the elimination of water. What is Esterification? The chemical reaction that takes place during the formation of the ester is called esterification. (NOTE: For IR part of discussion, IRs of starting materials and pure ester can be found in the Module for Experiment 06 Lab handout experiment the fischer esterification chem 233l it is fairly easy to identify fruit or flower the sweet odor associated with it. How could Compound A, shown below, be synthesized using a Fischer The lab report discusses the synthesis of isobutyl propanoate through Fischer esterification, characterized by a yellow liquid with a bubble gum scent. Introduction: The purpose of the lab is to successfully carry out a Fischer esterification reaction and identify an unknown starting alcohol. Mar 27, 2014 · A Student Researched Lab Analysis about Fischer Esterification. Write the answers to the questions after the discussion section in the lab report. Oct 1, 2025 · Discussion: Provide answers to the following discussion questions in your report discussion: What experimental or procedural factors might contribute to discrepancies between theoretical and actual yields of SA? How does the choice of alcohol and acid influence the qualitative properties of the synthesized ester? What role does heat and Access study documents, get answers to your study questions, and connect with real tutors for CHEM 2041L : Organic Chemistry Laboratory II at University of Cincinnati, Main Campus. The purpose and objective of this lab is to conduct Fischer Esterification using acetic acid and sulfuric acid, which is the catalyst, to develop an unknown ester. ) list all the techniques used for A typical procedure to synthesize esters is the Fischer esterification, wherein a carboxylic acid is treated with an alcohol in the presence of a mineral inorganic acid catalyst. docx from CHEMISTRY C-126 at Indiana University, Northwest. An Esterification reaction is a dehydration reaction A carboxylic acid contains the -COOH functional group. alkyl acetates, can be prepared in a more efficient manner by using acetic anhydride, rather than acetic acid, as the non-alcohol reactant. 61 g / 1 grams = 32% Discussion: The goal of the esterification lab was to produce isopentyl acetate by reacting it with isopentyl alcohol and acetic acid. Esters are used as flavor and fragrance enhancers in perfume industries. Lauric acid is representative of a class of molecules called fatty acids. Using 11 mmol of alcohol and 11 mmol of acid would theoretically yield 11 mmol of ester. 11Printable Version Ashley Islam TA Jeremy Liew Chem L December 1st, 2020 Aspirin Synthesis Abstract: The main objective of the experiment is to synthesize acetylsalicylic acid (aspirin) through esterification of salicylic acid and acetic anhydride using phosphoric acid as a catalyst. This reaction consisted of boiling a reaction for an hour and having a Hickman-Hinkle condenser attached. To do this isopentyl alcohol, acetic acid, and sulfuric acid were combined in a round bottom flask with a stir bar and heated for one hour. What is occurring when reactants are mixed and heated and liquid collects in the sidearm of the apparatus? 2. Example of an esterification reaction: Other synthetic pathways to esters also exist. 1 Any remaining water left over from the Lab 12: Synthesis of an Ester Written by Danielle M. Dec 19, 2022 · Sciencemadness Discussion Board - (Lab report) Making benzyl acetate by fischer esterification - Powered by XMB 1. The purpose of this lab was to prepare an ester through Fischer esterification by reacting acetic acid and isopentyl alcohol to make isopentyl acetate. The process has been made using a reflux apparatus, a separatory funnel, drying agents, and simple distillation to obtain its Experiment 13 Report for CHM206 lab experiment 13a: fischer esterification: synthesis of an ester objective: to react acetic acid in an esterification reaction Lab experiment detailing methyl benzoate synthesis via esterification. 310 (F19) Fischer Esterification Lab Manual Download File In this lab, several different carboxylic acids and alcohols will be used to make several esters. Preview text Patrick Feng (pf4639) Organic Chemistry Lab (50905) Dr. Given by Norma Dunlap ansley morgan chem march 30, 2019 aspirin synthesis abstract aspirin synthesis reactions are done in two steps, saponification and Fisher Esterification Lab Patrick A. The objective is to identify the ester, Lab report on Fischer esterification to identify an unknown alcohol using NMR. Experiment 6: Esterification Hieu Pham TA: Safaa Sader November 23rd, 2020 Introduction: Esterification is the process that makes the ester as product and the chemical reaction between a carboxylic acid and an alcohol with the present of an acid catalyst, which is Dowex 50x2-100 ion exchange resin in this experiment. When comparing the recrystallization with water vs. Esterification is the process of combining an organic acid (RCOOH) with an alcohol (ROH) to form an ester (RCOOR) and water; or a chemical reaction resulting in the formation of at least one ester product. This is an excellent synthesis to carry out when studying Organic Chemistry. Dec 7, 2016 · View Lab - Fischer Esterification Discussion and Conclusion from CHM 2210L at Florida Atlantic University. Lab report discussion ts are pts. Why is it less likely that water is contaminating the product ? 4. Fractional distillation leads to a better separation than simple distillation does. Covers reaction, procedure, results, and propyl alcohol identification. Mar 14, 2020 · The pre-lab discussion for the Esterification Week1 and 2 CHM 314L [ONLINE]. One direct approach, known as the Fischer esterification reaction, involves the acid-catalyzed condensation of an alcohol and a carboxylic acid, yielding an ester and water. Feb 13, 2025 · Scheme 2: Mechanism of Fischer Esterification Isoamyl Alcohol In this lab, an ester derivative will be synthesized from acetic acid using isoamyl alcohol. After the products were formed, distillation was done to purify ester. Mar 20, 2024 · Fischer esterification is a chemical reaction that involves the conversion of a carboxylic acid and an alcohol into an ester and water. POST LAB QUESTIONS The post lab questions are to be submitted for grading. In order for this reaction to proceed resin which is cross-linked polystyrene (comprised of sulfonic acid groups on some of the phenyl groups ) was added which served as a solid to provide protons. In this laboratory experiment, you will prepare banana oil (isopentyl acetate) by the Fischer esterification of acetic acid and isopentyl alcohol (figure 3). Esterification Handout You are to write your own lab reports in YOUR OWN Discussion Esterification Lab Submitted by kwarny on Tue, 04/23/2019 - 20:57 In this lab, several chemical tests and MP determination were performed on an unknown compound to determine the structure and the identity of the unknown. The isopentyl alcohol transforms its electron into the carboxyl group in acetic acid. determine which alcohol and which carboxylic acid you will need to synthesize your ester. In this lab report, we will explore the Feb 12, 2021 · Elijah Buon Prof Poulos, Prof Athens Esterification Lab Report 11/15/20 Fischer Esterification of Acetic acid with Isopentyl Alcohol Abstract: The purpose of this experiment is to synthesize Isopentyl acetate through the process of Fischer Esterification of glacial acetic acid with Isopentyl alcohol and sulfuric acid. The sheet is also provided in the resources folder on CTools. Discussion This experiment focuses on the synthesis of an ester using a carboxylic acid and an alcohol. IR and HNMR spectroscopy will be used to identify the final product, which will then help Apr 20, 2018 · In this lab a Fischer esterification reaction was performed using the reagents n-propyl alcohol and propionic acid to produce an ester product of n-propyl propionate in the presence of sulfuric acid. 7, pgs 1049-1058 Fischer Esterification, Figures 19. IR spectroscopy revealed signals at 1737 cm-1 (C=O) and 2875 cm-1 (C-H), consistent with isobutyl propanoate. In this experiment you will choose one of the following esters -- benzyl acetate Discussion The main objective for this lab was to prepare synthetic banana oil (isopentyl alcohol) through the Fischer Esterification mechanism. esters are the Esters of acetic acid, i. And decanting. So you can see there's the part from the carboxylic acid and the part from the alcohol. It discusses (1) esterification reactions between acetic acid and ethanol catalyzed by sulfuric acid, (2) using ferric chloride tests to detect phenols and enols, (3) hydrolysis reactions of anhydrides and benzamide producing carboxylic acids and ammonia, and (4) using dicarboxylic acids to remove stains Virtual Laboratory of Esterification Using Solid CatalystEsterification is the reaction between carboxylic acids and alcohols, which results in formation of esters and water. Oct 23, 2024 · Discussion: Observations revealed the successful execution of the Fisher esterification reaction, synthesizing an ester from benzoic acid, methanol, and sulfuric acid. practice lab techniques on recrystallization to purify product and read via NMR. In step 1, the protonation EXPERIMENT #5 Fischer Esterification B. 32 and 19. Jones April 3, 2019 Results and Discussion Using our four IR spectroscopies all samples showed the formation of an ester. Document Summary. Nov 20, 2024 · View lab 9 (for ai). Emil Fischer (also created Fischer Projection model). I'm going to be making it using the classical Fischer Esterification reaction. The mechanism entails the In this lab, esterification occurs when an alcohol and a carboxylic acid are reacted in the presence of an acid catalyst, such as concentrated sulfuric acid. The lab report investigates the synthesis of esters, focusing on the formation of Methyl Propanoate through the esterification reaction between Propanoic acid and Methanol. Access study documents, get answers to your study questions, and connect with real tutors for ORGO LAB 311 : ORGANIC CHEMISTRY LAB at Rutgers University. Nov 30, 2019 · Discussion, Sources of Error & Conclusion Discussion: In the esterification lab, for the reaction that occurred is known as an acid-catalyze reaction. The Fischer Esterification reaction is driven by shifts in equilibrium. ) what was the purpose of recrystallization? pl alnicea crude eveod cc! ates pts. Includes kit list and safety instructions. May 13, 2015 · View Lab - Chem 102 Lab report 1 from CHEM 102 at Drexel University. Mar 19, 2025 · · Include your gas chromatogram or a copy of a shared gas chromatogram, with your lab report . Synthesis of Banana Oil Purpose The purpose of this experiment is aimed at synthesizing 3-methylbutyl acetate (isopentyl acetate) via an esterification process between isopentyl alcohol (3-methylbutanol) and acetic acid with concentrated sulfuric acid as the catalyst. In this virtual lab we take n-butyl acetate (CH3COOC4H9), also known as butyl Oct 31, 2019 · Discussion, Sources of Error & Conclusion Discussion: In the esterification lab, for the reaction that occurred is known as an acid-catalyze reaction. In this experiment, lauric acid (dodecanoic acid) is converted to ethyl laureate. Synthetic esters produced in the laboratory are nearly the same molecules that give fruits their characteristic fragrance. . This page describes ways of making esters in the lab from alcohols and phenols using carboxylic acids, acyl chlorides (acid chlorides) or acid anhydrides as appropriate. We react acetic acid and 1-butanol, however in order for that to occur, a solid that can provide protons such as resin needs to be added. The product, ester, is then dried and placed into a Apr 9, 2008 · Esterification Lab Discussion and Conclusion In this lab, we prepared isobutyl-propionate from propionic acid and 2-methyl-1- propanol. Organic chemistry, college level. During the experiment, the Fischer Esterification purpose is to convert carboxylic acids to esters. The crystals were Preview text Dana Woods Chathuri Kombala Chem 243A 19 October 2015 Fischer Esterification Discussion The overall goal of this experiment was to synthesize an acetate ester from an acid and an alcohol using the process of esterification. 9. Discussion of Esterification This experiment is related to the preparation of an ester. It has a sweet smell similar to pear drops (according to Wikipedia). Also, an HNMR of the unknown was analyzed to confirm the identity. e. Students synthesize an ester using acetic acid and an unknown alc Sep 29, 2022 · The following tabulated results were obta ined on weighing the filtrates: Discussion: Aspirin is synthesized by the reaction of salicylic acid and acetic Preview text Patrick Feng (pf4639) Organic Chemistry Lab (50905) Dr. Discussion/Conclusion The reaction with 8 mL of acetic acid with 5 g of isopentyl alcohol underwent fischer esterification using sulfuric acid as a catalyst. 008 ta: ten introduction: acetylsalicylic acid, more commonly known Assuming the equilibrium constant for the esterification of benzoic with methanol is K = 3, calculate the theoretical yield of methyl benzoate expected using the molar amounts used in the experiment (Lab 5 , above). All spectroscopy showed O-H stretching, C-H stretching around 2900 cm-1, C=O stretching around 1700 cm-1, and in the fingerprint region possible C-O stretching in the region of 1300-1000 cm- 1. Once the reaction is complete, a distillation will be performed to isolate the pure organic ester, which will be a liquid. Solano Department of Chemistry & Biochemistry California State University, Bakersfield Esterification lab 1. Laboratory Assignments pdf 2 MB 5. The reaction is reversible and requires excess reactant and/or removal of water to drive it to completion. CHE 224 Lab Report Fischer Esterification: Prep of Methyl Benzoate Abstract: A synthetic organic reaction was performed by reacting excess acetic acid with an alcohol, isopentyl acetate, with the help of a catalyst. Spectroscopy was not obtained on product 5 lab report experiment esterification choose an ester to synthesize. The ester will then be purified, the percent yield calculated, and analysed by odor and an IR spectrum. recrystallization with solvent pair, my crystals dried faster and noticed a more significant amount of crystal with the solvent. Studying 01:160:311 Organic Chemistry Lab at Rutgers University? On Studocu you will find 68 lecture notes, 51 coursework, 33 assignments and much more for Oct 25, 2024 · Title: Using Fischer Esterification to synthesize an Ester Lab Partners: Amelia Fortson and Daniel Tidwell Date:July 11, 2024 Purpose: The purpose of this experiment is to use Fischer Esterification by reflux, extraction, and distillation to synthesize an ester. llm5v2 9rw wco az cj fq0 nyoei69 3xtigy sxb8 09y