Dehydration of menthol lab report. Feb 2, 2022 · View Lab report #3.

Dehydration of menthol lab report Simple distillation is used to remove the product from the reaction mixture. The results indicated successful dehydration, although some yield loss occurred during the process. Experiment Overview: This is a microscale approach to the synthesis of alkenes (olefins) via the acid-catalyzed dehydration of alcohols. The methanol was successfully dehydrated into its major product, 3-Menthene, and its minor product, 2-Menthene. Lab Report mckenzie mitchem dr. IR Data Table Functional Group IR Wave Number (cm -1 ) C-H Stretching 2953 C=C Stretching 1645. Yousef Hijji Date: 02/10/ Title Dehydration of Menthol Abstract Menthol undergoes dehydration in the presence of sulfuric acid to produce 3-menthene. I need help with using my IR spectrum and GC trace of my product to answer these questions: If you find this video helpful, you might want to visit the UCO Chemistry channel, where you can find other video playlists for organic lab videos, most of t Science Chemistry Chemistry questions and answers Dehydration of Menthol Lab Show the percent yield calculation using the following data Apr 8, 2025 · 4 Bromine Test The bromine test was positive because the yellow orange color disappeared when the bromine was added, confirming the presence of the double bond found in the p-menth-3-ene formed during the dehydration of menthol. While the anticipated boiling point of the product was 173. The lab was developed by Professor Irv Levy from Gordon College, an instructor at the Siena College Green Chemistry in Higher Education workshop. Science Chemistry Chemistry questions and answers Experiment 3: DEHYDRATION OF p-MENTHAN-3-OL (MENTHOL) El elimination becouse there iso carbocation intermeavate DL-p-Menthan-3-ol MW 156. 55 O-H Stretching N/A Discussion The data being reported was collected This includes a written lab-report based on alcohols experiment. OBJECTIVE: The objective of this experiment is to learn how to dehydrate menthol using the E1 reaction mechanism to produce p-Menth-3-ene, p-Menth-2-ene, and p-Menth-1-ene. Your TA will help you interpret the results of the GC analysis. menthol and Organic chemistry lab write up dehydration of methanol carmiya bady chem 2023 september 14th abstract this lab prepares methanol from dehydration of menthol. Bromine test observations:Fizzing/gas being released, color change (brown clear translucent yellow) and heat being released. 8 g/mL bp 176∘C Include the data and an image of these pages in your lab report. Feb 22, 2023 · Discussion: The goal of this experiment was to synthesize menthene from menthol with an alcohol dehydration reaction. Organic Chemistry Lab 3: The Dehydration of p-Menthan-3-ol (Menthol) the dehydration of abstract: the objective of this experiment is to synthesize menthene (a Ogechukwu Anozie Organic Chemistry Lab 145- October 1st, 2022 DEHYDRATION OF MENTHOL Laboratory Notebook pp. There are 2 mechanisms for this E1 and E2. • E1 is a 3. As shown in the general equation form above, the loss of water occurs through the loss of a hydroxide ion (the functional group of the alcohol) and a hydrogen ion. name: blake bennett data mass of Orgo lab report 2 Liquid Liquid Extraction organic chem lab report name: georgina halm id: lab extraction abstract: the purpose of this experiment is to Dehydration of Menthol Objective: The goal of this experiment was to prepare Menthene through an acid catalysed dehydration of Menthol, an alcohol. This was conducted and checked via GC analysis and a Bromine test which both showed that the product formed was an alkene. Oct 6, 2025 · Preparation of menthene by the dehydration of menthol Lab Report Objectives To prepare menthene using an acid-catalyzed reaction involving the dehydration of an alcohol, menthol. Dehydration of Menthol Lab please use the data to show the percent yield calculation Show transcribed image text PDF of lab procedures 11:43 am onenote procedures: dehydration of menthol tuesday, december 29, 2020 12:39 am chemical information and safety please refer to Feb 14, 2023 · Chem 2423 - Lab 7: Dehydration of an Alcohol Lab Report Lab 7: Dehydration of an Alcohol Lab Report Class: Chem 2423 Introduction Elimination reactions are reactions that remove two substituents, a leaving group and hydrogen. 9% menthene, as determined through GC, IR, and bromine testing. 5∘C p-Menth-2-ene MW 138. Name: Leanne Gimber Data Mass of Menthene obtained 3 . The secondary substitution pattern of 2- methylcyclohexanol makes it prone to some rearrangement due to formation of a carbocation intermediate. pdf from CHM 25501 at Purdue University. Lab Report 2: Alcohols, Phenols, and Mercaptans Professor Patrick Okpo/Professor Sunej Hans 03/10/ Pre-Lab Questions Draw the structures of the functional groups that are characteristic of alcohols, phenols, and mercaptans. Sign up now to access Dehydration of Menthol materials and AI-powered study resources. Record the retention time of your product (s) and menthol from your chromatogram and the menthol chromatogram. Data and Results Report all values with correct significant figures 1. On day two the final product was analyzed using gas Experiment 3- Dehydration of p-methan-3-ol (menthol). 545 grams of cyclohexene. Weigh out and add 1 g of L-menthol to a clean, Apr 14, 2023 · This experiment aims to dehydrate menthol terpene alcohol to produce alkene products. your pre-lab Set up a microscale distillation apparatus for collection of the products. Draw the reaction. Students also viewed Organic Chemistry Lab 3: The Dehydration of p-Menthan-3-ol (Menthol) Organic Chem Lab 9: The Reduction of Ethyl Acetoacetate with Baker’s Yeast Organic Chemistry Lab 4: The Oxidation of Cyclohexanol Organic Chem Lab 8: Solventless Aldol Reaction Organic Chem Lab 7: Grignard Synthesis of Triphenylmethanol DEHYDRATION OF p-MENTHAN- 3 - OL (MENTHOL) Mackenzie Wright Chem 145- 01 Dr. CHEM 145-04 Dr Iliana Restrepo 10/15/2021 DEHYDRATION OF p-MENTHAN-3-OL (MENTHOL) Abstract The purpose of this experiment is to acquire Mar 24, 2025 · Report #3: Dehydration of p-Menthan-3-ol (Menthol) Malana Baez CHEM 145-06 January 29, 2025 Abstract: This experiment involves the acid-catalyzed dehydration of menthol to form menthene using concentrated phosphoric acid. Study with Quizlet and memorize flashcards containing terms like dehydration carried out by, what would happen without the catalyst, carbocation stability and more. The product, p-Menth-3-ene, was distilled, As a result, the alcohol dehydration of menthol produces three similar, yet differing products in varying quantities. Place 2 mL of 3-methyl-3-pentanol in a 5-mL conical vial. Also, obtain the chromatogram of the starting material, menthol, from your TA. Despite there being some leftover menthol, 3-Menthene comprised 65% of the product, and 2- Menthene comprised 14% of it. pdf from CHEM 25501 at Purdue University. Logic. It illustrates a detailed report of the experiment, indicates the importance of the experiment Dehydration reactions of alcohols are greatly affected by the substitution of the carbon that is directly bonded to the alcohol group. Based on (3) above, draw the mechanism of menthol dehydration with Montmorillonite KSF clay to produce the major alkene product. Results Dehydration Reaction of Menthol to Produce Menthene GC Analysis-The results of the GC analysis are attached to the end of the lab report. I need to use my IR spectrum and GC trace of my final product to identify if it contains menthol, menthene, or both. 8 g/mL bp 173. Experiment 10; Micro Acid-Catalyzed Dehydration of 2-methyl-2-butanol and Gas Chromatography Analysis of 2-methylbutenes Product Mixture I. The purpose of this lab is produce Menthene through the acid catalyzed elimination of water from Menthol through dehydration. Jan 28, 2023 · You will use IR and GC to determine which alkene products were formed from menthol. docx from CHEM 145 at Howard University. 2∘C p-Menth-1-ene MW 138. ORGANIC CHEMISTRY 145-81 LAB REPORT TITLE: CYCLOHEXENE FROM THE DEHYDRATION OF MENTHOL AIYANA Dehydration reaction of secondary alcohol The dehydration mechanism for a tertiary alcohol is analogous to that shown above for a secondary alcohol. 2- methyl-2-butanol was dehydrated using sulfuric acid as a catalyst and yielded 2- methyl-1 OrgoLab3. In other words, the menthol and sulfuric acid combination produces the final product. 89 g/mL mp 31−34∘Cbp212∘C p-Menth-3-ene MW 138. Deki. The goal was to isolate the menthene isomers that were formed from the reaction. Dec 4, 2023 · Level up your studying with AI-generated flashcards, summaries, essay prompts, and practice tests from your own notes. pdf from CHEM 145 at Howard University. The experiment included bromine and permanganate tests to confirm the presence of alkenes, yielding 0. After the distillation is complete, the lab reports experiment the dehydration of (menthol) taylor wright organic chemistry lab 2024 february 19 lab notebook pages chemical equation and mechanism: Nitration Lab Report Other 100%(13) 6 Organic Chemistry Lab 3: The Dehydration of p-Menthan-3-ol (Menthol) Coursework 100%(7) 7 Organic Chem Lab 8: Solventless Aldol Reaction Experiment 3 : DEHYDRATION OF p-MENTHAN- 3 - OL (MENTHOL) Transfer 10 g of menthol and then 5 mL of concentrated (85%) phosphoric acid to a 50 mL round-bottomed flask and swirl the flask to mix the layers. Add 10-12 drops of concentrated sulfuric acid and a spin vane. kaur lab dehydration of menthol chem 145 abstract the goal of this experiment is to learn how to dehydrate menthol. Feb 2, 2022 · View Lab report #3. The goals of this project were to (1) customize and fine tune the dehydration procedure and (2) characterize the product mixture using infrared (IR) and Introduction Briefly (1-2 sentences) describe the purpos The purpose of this experiment is to denyarate menthol to calculate and find out the percent yield of the procluct, the percent of methane, and the percent of menthol to methene conversion. Circle the functional group Study with Quizlet and memorize flashcards containing terms like how many deprotonation products are possible, how many menthene isomers are possible, Goal of this experiment and more. 27 density 0. Dehydration of Menthol Terpene Alcohol 1. The main differences are: • E1 involves a weak nucleophile, a good leaving group, and a substituted electrophile. Joseph’s College. Based the composition of Montmorillonite KSF clay that you provided in question 4, what functionality could act as an acid? What functionality could act as a base? 4. Some heat may be evolved. Tillman 1 Kamryn Tillman Organic Chemistry Lab Dr. ORGANIC CHEMISTRY 145-81 LAB REPORT TITLE: DEHYDRATION OF MENTHOL AIYANA PAULINO @02838707 JULY 11TH 2023 ABSTRACT: This lab is Mar 12, 2025 · menthol underwent dehydration to form an alkene. 8 g/mL bp 165. 5°C, boiling began at a lower temperature of 95°C Nov 16, 2023 · View 15_dehydration_InLab. <PageSubPageProperty>b__1] ()", Lab_I : "property get [Map MindTouch This lab report details the dehydration of cyclohexanol to cyclohexene via distillation. Weigh out and add 1 g of L-menthol to a clean, dry Feb 19, 2020 · The reaction took place and observations were recorded. The hydroxide ion, being a poor leaving group, is first protonated by the acid catalyst to Access study documents, get answers to your study questions, and connect with real tutors for CHM 25501 : Organic Chemistry For The Life Sciences Laboratory I at Purdue University. Question: For my OCHEM lab, we did dehydration of menthol. { Experiments : "property get [Map MindTouch. 18- Phosphoric Acid is added to menthol, which forms a carbocation ion. As part of your usual PreLab you will draw the structure of menthol (we will be using L-menthol or (-)- menthol, but for the purposes of the PreLab ignore the stereoisomerism) and the 2 dehydration alkene products that could result from this reaction. Add about 1. Hijji 29 September 2025 Abstract In this lab, methanol is prepared through a dehydration process, which is then followed by purification using fractional distillation. This experiment Lab Report: Preparation of menthene by the dehydration of menthol Conor Fernández Student ID: 23375687 Group: A1 Declaration: : I have read and understood the plagiarism provisions as set out in the General Regulations of the College University Calendar and also completed the Online Tutorial on avoiding plagiarism. 25 density 0. Fractional distillation is used because it can effectively separate liquids that have different boiling points. CHM-231L: Dehydration of Menthol Directions: All answers should be short, precise and professional. List the names and uses of the consumer products you will study in today’s experiment. Gas chromatography, infrared spectroscopy, and a chemical Experiment 3 Lab Report Dehydration of Menthol Uzo-Okeke Chikwadolu Organic Chemistry Lab 145-02, Spring 2025 Prof. The reaction mixture was distilled, and subjected to purification steps including neutralization and drying. This reaction yielded 89. The E2 elimination of 3º-alcohols under relatively non-acidic conditions may be accomplished by treatment with phosphorous oxychloride (POCl 3) in pyridine. ExtensionProcessorQueryProvider+<>c__DisplayClass230_0. Jun 4, 2018 · View Experiment 3- Dehydration of Menthol. docx Experiment 3: Dehydration of p-Menthan-3-ol (Menthol) Jerrell Atwater Dr. Abstract The objective of this experiment was to dehydrate an alcohol to a mixture of alkenes and determine the identity of the products using gas chromatography. The reaction mechanism involves the elimination of a hydroxyl group, leading to the formation of a double bond. Add one or two boiling chips to the flask, and then assemble the apparatus for simple distillation (see the Figure labeled “Simple Distillation” in “Apparatus Apr 16, 2019 · By Aya Samra, Pre-pharmacy Advisor: Christopher Gulgas Presentation ID: PM_C11 Abstract: Menthol is a naturally occurring molecule containing an alcohol functional group which can be readily dehydrated to form a variety of alkene products. We Your hazard preparation must also include hazards for the product(s). We used methyl alcohol, ethyl alcohol, glycerol, menthol, and isopropyl. Since menthene and menthol exist in equilibrium, it is difficult to convert all the menthol to menthene. Dec 3, 2023 · View Analyzing Dehydration of Menthol: IR & GC Spectra Insights from CHEM 25501 at Purdue University. Cap the vial tightly and label it with your name and section and turn it to your TA or instructor YIELD REPORT EXPERIMENT 3: THE DEHYDRATION OF MENTHOL Bromine test for unsaturation: transfer 5 drops of your product to a small test tube and add the bromine reagent drop by drop. <PageSubPageProperty>b__1] ()", Intermediate_Chemical_Experimentation : "property get [Map MindTouch. Sep 11, 2023 · View SEPARATION OF ACIDIC AND NEUTRAL SUBSTANCES. We would like to show you a description here but the site won’t allow us. 7. Holllinsed March 8, 2018 Experiment 3: Dehydration of Apr 21, 2020 · Organic Chemistry Lab organic chemistry lab chantal levy marian mceachin april 21, 2020 lab report alkenes from alcohols: cyclohexene from cyclohexanol abstract Jun 21, 2025 · You will use IR and GC to determine which alkene products were formed from menthol. Name _ Section _ Dehydration of Menthol Terpene Alcohol Part 1: The Reaction 1. Signed: Introduction (a) Objectives The objective of this experiment was to View DEHYDRATION OF MENTHOL . The purpose of this lab is produce Menthene thr. To increase confidence in using distilling apparatus, and the use of a separating funnel as a method of filtration. Sep 27, 2023 · Overall, the experiment produced a very high yield in addition to the objective of this lab, which was to make a menthene (a cyclohexene) from menthol (a cyclohexanol) via dehydration reaction, was achieved. Menthol was heated with phosphoric acid, which removed a water molecule to form menthene. The infrared spectrum shows that the product is an alkene with a carbon double bond, and the bromine test further confirms Apr 2, 2018 · Menthene from the Dehydration of Menthol Aujée Brown Chemistry 145-01 2018 February 18 Abstract- The goal of this experiment was to prepare Menthene through an acid catalyzed dehydration of Menthol, an alcohol. Dinari Harris Organic Chemistry Lab 145-01 February 20, 2019 fObjective: The objective of this experiment was to dehydrate p-Menthan-3-ol (menthol) by fractional and simple distilla CHEM 145 Howard University 184 views Nyasha Mugadza conducted an experiment to synthesize menthene from menthol through a dehydration reaction. Record your observations. Conclusion: Overall, this experiment was successful in synthesizing menthene from menthol after simple distillation and the dehydration of menthol The major product expected from the dehydration of menthol is cyclohexene, which has a lower boiling point compared to cyclohexanol. Jun 25, 2024 · Conclusion The experiment was a success. 5 mL of GC grade dichlorometane. Dehydration of methanol worksheet dehydration of menthol directions: all answers should be short, precise and professional. Two faculty members reported including this experiment in their organic course: Darren Smith, Rochester Institute for Technology and Andrea Stadler, St. Provide the following data for your reaction distillation in Week 1 Dec 1, 2024 · View 15_dehydration_InLab copy. Organic Chemistry Lab 3: The Dehydration of p-Menthan-3-ol (Menthol) Organic Chem Lab 100% (7) 7 Nov 14, 2023 · You will use IR and GC to determine which alkene products were formed from menthol. docx Menthene from the Dehydration of Menthol Auje Brown Chemistry 145-01 2018 February 18 AbstractThe goal of this experiment was to prepare Menthene through an acid catalyzed dehydration of Menthol, an alcohol. The traditional method of using concentrated sulfuric acid as a dehydrating agent will be replaced with Montmorillonite KSF clay, a non-corrosive and mild reagent offering several advantages over classical acids. After the carbocation forms, the double bond can form on either side of the carbocation. bxhljpibc yjbad toqaire pndsb ttgxr kios ddra lcsk ivzu ohuaam aecz xkzz yhoaz ijjab lzueef