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4 methylcyclohexene lab PDF results

4-methylcyclohexene synthesis

... infrared (ftir) spectroscopy to characterize the product of a reaction. background as we have previously noted, alcohols are not good leaving groups. however, the addition of an acid to an alcohol can convert a bad leaving group, hydroxide, to... 4-methylcyclohexene synthesis objective to develop organic laboratory techniques, to synthesize 4-methylcyclohexene, and to gain experience using fourier...

Experiment #7

Alkene.pdf. name: chem 311 experiment #7 lab section: preparation of 4-methylcyclohexene overall reaction: reagent table: compound mw (g/mol)...

Organic chemistry laboratory #6 - preparation of methylcyclohexenes

Page 1 10/7/2004 organic chemistry laboratory#6 - preparation of methylcyclohexenes the dehydration of alcohols is one of several methods to produce alkenes. this dehydration may be accomplished using a strong mineral acid such as sulfuric and phosphoric acid. the first step in this transformation is protonation of the hydroxyl group by the acid... Pre-lab reading: you should review distillation techniques found in chapter 20.... methylcyclohexanol h 3 po 4 1-methylcyclohexene 3-methylcyclohexene mw:...

Additional notes on lab 12: synthesis of 4-methylcyclohexene

Technique 12, sections 12.5 & 12.9; prelab assignment: your prelab should include: date, introduction, haz-mat, apparatus, separation scheme, chemical equation, reactant table, and procedures. procedure we will be following the microscale procedure... Additional notes: synthesis of 4-methylcyclohexene assigned reading • pavia 4 th edition, experiment 25, pages 211 to 217 (we will use the microscale procedure)...

Chemistry 12alr - organic chemistry laboratory syllabus

Chemistry 12alr - organic chemistry laboratory syllabus fall, 2006 lab text"introduction to organic laboratory techniques- a microscale approach" pavia, lampman, kriz and engels, 4 th ed., brooks/cole laboratory instructor dr. bernier important laboratory information(1) it is not possible to get a passing grade for the course without completing... lab 9 12a october 2,3, 4,5 (10 pts) isolation of caffeine. lab 10 25a october 9,10 (10 pts) synthesis of 4-methylcyclohexene lab 11 14 october 11,12, 16,17 (10...

Experiment 9: dehydration of methylcyclohexanols

experiment 9: dehydration of methylcyclohexanols you will carry out the dehydration of either 2-methylcyclohexanol or 4- methylcyclohexanol by heating the alcohol in the presence of phosphoric acid: ch 3 oh ch 3 oh or h 3 po 4 c 7 h 12 + h 2 o methylcyclohexen esδ the yield of this reaction will be increased if the alkenes are removed... Direct elimination of water from 4-methylcyclohexanol would produce 4-methylcyclohexene, while... pre-lab assignment ∞ outline the following...

"dehydration of 2-methylcyclohexanol: study of c=c orientation in ...

Saytzev°s rule will be tested. introduction: alcohols can be dehydrated by using an acid such as sulfuric or phosphoric acid. water will be eliminated from the molecule and a c=c double bond will be formed. if the alcohol is not symmetric, then a mixture of products containing alkene isomers is possible. russian chemist saytzev predicted that... Sample lab report for "dehydration of 2-methylcyclohexanol: study of c=c... it is evident that the dehydration of 2-methylcyclohexanol in h 3 po 4 gave 1-methylcyclohexene...

4-methylcyclohexane procedure notes

... an ice water bath and begin the distillation. do not omit the condenser as the new text suggests. 3. adjust the transformer so that the product vapor does not exceed 100 c. 4. continue distilling until no more liquid is collected. 5. transfer the distillate to a 125 ml separatory funnel and add 2 ml of saturated sodium chloride solution to... 4-methylcyclohexene procedure notes 4-methylcyclohexene 1. combine the reagents according to the procedure and add a teflon boiling chip. 2. immerse the...

Pre-lab: #5 title: dehydration of 2-methylcyclohexanol ...

Name: susan w. mburu experiment: # 5 instructor: dr e. thornton date: 8/04/2005 ta: tom loschiavo title: dehydration of 2-methylcyclohexanol. reference: experimental organic chemistry: a miniscale and microscale approach, pre-lab: #5 heading: alkenes: preparation, reactions and... cis-and trans- 2-methylcyclohexanol 1-methylcyclohexene 3-methylcyclohexene ho s oh o o sulfuric acid 4

Required information for lab report #4

... of both fractions). 3) report the boiling range over which the alkenes distilled. 4) report the average product distribution (1-methylcyclohexene to other cyclohexenes) for both fractions of product for the two starting alcohols using the gc data posted on the class web site for your section. also report whether any of the cyclohexene... Required information for lab report #4 due at the start of lab during the week of... 4) report the average product distribution (1-methylcyclohexene to other...

Experiment 22 - synthesis of 4-methylcyclohexene - name oh ch

... table below. under the amount column, use g for solids, ml for liquids. the abbreviation na stands for not applicable. a mmol is 1/1000 th of a mole. reagent amount (g or ml) mmol bp ( oc) 4-methylcyclohexanol na phosphoric acid (85% by wt. in water) sulfuric acid (18 m, 96%) 4-methylcyclohexene Experiment 22 - synthesis of 4-methylcyclohexene - name oh ch3 h3po4, h2so4 (cat) heat ch3 1. data table: fill in the appropriate spaces in the...

Dehydration of 4-methylcyclohexanol

S '08 m. hauser (survival manual 7e) updated 1/21/08 dehydration of 4-methylcyclohexanol purpose perform an acid-catalyzed dehydration of 4-methylcyclohexanol to produce 4-methycyclohexene. techniques∞ dehydration of an alcohol∞ preparation of an alkene∞ distillation∞ unsaturation tests theory an acid-catalyzed dehydration is a common way... The 4-methylcyclohexene product will be co-distilled with the water that also forms.... the receiving flask in ice water to minimize the escape of vapors into the lab.

1: 2-methylcyclohexanol

4 8. significant side reactions the most significant side reaction was the formation of a black polymer in the reaction flask as the alkene product reacted with the carbocation formed to create a larger carbocation, which would continue to react with more alkene product. this side reaction could be minimized by more efficient distillation (i.e. Gc data: molecular mechanics (mm2) data: substance steric energy (kcal/ mol) 3-methylcylohexene 5.0288 1-methylcyclohexene 3.9935 difference (*h=~*g) for...

University of north florida jacksonville, florida

lab instructors name office phone e-mail office hrs mon 12-1pm; tues 12-2pm; thurs 12-1pm; fri 10-11am required materials 1. safety glasses or goggles (may obtain from campus bookstore, hardware store, etc.). 2. the textbook entitled "introduction to organic laboratory techniques a small scale... lab notebook guidelines the lab notebook should be treated as a legal document.... preparation of 4-methylcyclohexene (24) oct 10-14. exp 17/technique 1...

Chem 3301l-organic chemistry i laboratory schedule

Chem 3301l-organic chemistry i laboratory laboratory schedule fall 2008 chem 3301l-organic chemistry i laboratory schedule ... of n-butyl bromide report due november 17 12 preparation of 4-methylcyclohexene- c ontinued november 24 13 preparation of 4-methylcyclohexene report due lab...

Experiment 13 preparation of an alkene: dehydration of 2 ...

13 preparation of an alkene: dehydration of 2-methylcyclohexanol 79 u online edition for students of organic chemistry lab courses at the university of colorado, boulder, dept of chem and biochem. (2004) experiment 13 preparation of an alkene: dehydration of 2-methylcyclohexanol reading: introduction to organic chemistry by streitwieser, heathcock... Online edition for students of organic chemistry lab courses at the... for the dehydration of 2-methylcyclohexanol, catalyzed by h 2 so 4, to form 1-methylcyclohexene.

Virginia state university

Department of chemistry and physics tentative syllabus for organic chemistry ii laboratory hunter-mcdaniel 240 tentative schedule of laboratory experiments and examinations 8/18 no laboratory meetings this week - opening week of classes 8/25 check-in, syllabus, course requirements, safety, start resolution... Experiment you will prepare 4-methylcyclohexene from 4-methylcyclohexanol. the. reaction we are considering is. oh ch. 3 ch 3 h 2 so 4 /h 3 po 4. the...

Contents: 4-methylcyclohexene permanganate test waste

... permanganate water chemical description of this waste (2026) 1,2-dimethoxyethane 4-methylcyclohexanol 4-methylcyclohexene acetone cyclohexane manganese dioxide potassium permanganate water chemical description of this waste (... Chemical description of this waste (2026) 1,2-dimethoxyethane 4-methylcyclohexanol 4-methylcyclohexene acetone cyclohexane manganese dioxide potassium...

Preparation of an alkene

Preparation of an alkene: dehydration of 2-methylcyclohexanol alkenes can be formed by elimination reactions as shown in this equation: if x is a halogen, this reaction is called dehydrohalogenation and the elements of hx are Before you come to lab, calculate the theoretical yield for total alkene... sulfuric acid, to form 1-methylcyclohexene. 4. a student dehydrated 3-methyl-2-cyclohexen-1.. .

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