Compilation of “Dehydration of Methylcyclohexanol” Blog entries: A common Sophomore Organic Chemistry laboratory experiment that has great potential for further research is the acid catalyzed dehydration of simple alcohols. The classic dehydration of 2-methylcyclohexanol experiment that was introduced in Journal of Chemical Education in 1967 Taber(1967)JCE:44‚p620. The rather simple procedure of distilling an alcohol with an aqueous acid has spawned several investigations that have resulted
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acid oxidation. KA oil production from cyclohexane by the cobalt catalyst and boric acid air oxidation routes is reviewed. Production of KA oil from phenol is also covered‚ as is the Asahi process for cyclohexanol production from benzene via cyclohexene. Appropriately adjusted nitric acid oxidation is appended to each of these processes. Solutia‚ working with the Boreskov Institute of Catalysis (BIC) in Russia‚ has developed a one step process to manufacture phenol from benzene‚ using nitrous
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Evan Evaristo Department of Occupational Therapy‚ College of Rehabilitation Sciences University of Santo Tomas‚ Espaňa Street‚ Manila 1008 Date Submitted: February 2‚ 2011 Abstract: Organic compounds hexane‚ heptane‚ cyclohexane‚ cyclohexene‚ benzene‚ and toluene were subjected to different physical and chemical tests todifferentiate their intrinsic physical properties and chemical properties in terms ofstructure and behaviour. Nitration test (test for the presence of aromatic ring)
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be unsaturated. Aromatic hydrocarbons are cyclic compounds whose structure is related to that of benzene‚ with six-electrons in a six-membered ring. For this experiment‚ hexane will be used as an example of saturated hydrocarbons (alkanes)‚ cyclohexene will be used as an unsaturated hydrocarbon (alkenes) and toluene as an aromatic hydrocarbon. As a precaution during these experiments‚ you should be extremely careful since these organic compounds are highly volatile (they evaporate easily) and
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Equipment Required: -4 Test tubes -Dropper - Cyclohexane (C6H12) (3ml) - Cyclohexene (C6H10) (3ml) - Toluene (CH3C6H5) (3ml) - Potassium Permanganate solution (KMnO4) .01 mol L-1 (4ml) - Sulfuric Acid (H2SO4) 2mol L-1 (2ml) - Bromine Water (Br2) (5ml) Procedure: Reaction of hydrocarbons with acidified permanganate: 1) Into three separate‚ labeled test tubes place 1 ml of cyclohexane‚ cyclohexene and toluene respectively. 2) In a separate test tube add 4 ml of 0.01mol L-1 KMnO4
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using densities: Mass cyclohexanone = 0.947g/ml x 5ml = 4.739g Therefore moles = mass/molar mass = 4.739g/98.15g mol-1 = 0.0483 moles Mass pyrrolidine = 0.866g/mol x 4.0 ml = 3.464g Therefore moles = mass/molar mass = 3.464 / 71.11g mol-1 Addition of the acetic anhydride Enamine Acetic Anhydride Molecular formula: C10H9N Molecular formula: C4H6O3¬
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Ohnmacht CHEM 0330 Scott Caplan 10/30/12 Abstract: In Organic Chemistry‚ many different methods are used to synthesize organic compounds from various components. In this lab‚ cyclohexanol was dehydrated to cyclohexene through an elimination reaction. In order to separate the cyclohexene product from the cyclohexanol starting component‚ previously learned lab techniques such as extractions and simple distillation were used. The formation of the product was verified by performing a Bromine test
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naked eye. It was concluded that 5 of the combinations proved soluble‚ 2 completely insoluble‚ and 2 were insoluble at room temperature but soluble if heated. Also tested was the reactivity of cyclohexane and cyclohexene in sulfuric acid which tested to prove reactivity between cyclohexene but not cyclohexane. Finally tested was the reaction between bromine and alkenes‚ which showed reaction between the more polar alkenes than non polar. Introduction
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Francesca; Lañez‚ Kristine Department of Psychology College of Science University of Santo Tomas España Manila 1015 Abstract A hydrocarbon is strictly composed of carbon and hydrogen atoms only. Five hydrocarbons were used namely hexane‚ cyclohexene‚ toluene‚ naphthalene (in hexane)‚ and the unknown (which will be known through parallel chemical tests). Three tests‚ nitration test‚ bromine test and basic oxidation test were conducted to fully differentiate each type of hydrocarbon from one
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recyclable catalyst will be examined. This article will discuss how manipulating equivalents of 30% hydrogen peroxide (H2O2) affect the product yield. Results show product yield was affected when changing H2O2 equivalents. Equivalent ratio 1:4 (cyclohexene to H2O2) was most ideal‚ with an average yield of 27.37%. Understanding ideal greener approaches may help mediate the negative environmental impact. _______________________________________________________________ Adipic acid (ADA) is used in
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