sent down from central government. Usages of Petroleum Petroleum is mostly used as Fuel. Several other hydrocarbon chemicals can be distilled out of petrol which again can be used for a variety of purposes. Some of petrol’s end products are- Alkenes (olefins) which can be manufactured into plastics or other compounds Lubricants (produces light machine oils‚ motor oils‚ and greases‚ adding viscosity stabilizers as required). Wax‚ used in the packaging of frozen foods‚ among others. Sulfur or
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Vidallon‚ Mark Louis P. Date Performed: February 20‚ 2012 CHEM44.1 2L Date Submitted: March 12‚ 2012 MIXED-ALDOL CONDENSATION Synthesis of Cinnamaldehyde I. Introduction Cinnamaldehyde‚ cinnamic aldehyde or 3-phenyl-2-propenal is the major constituent of cinnamon oil‚ extracted from several species of Cinnamomum (C. verum‚ C. burmanii‚ C. cassia)‚ under the family Lauraceae‚ a group of evergreen trees. Cinnamon bark (particularly C. verum) yields 0.4-0.8% oil‚ which contains 60-80% cinnamaldehyde
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molecules doesn’t want to be dianion 5. (11 pts) Carey. All the parts of this problem refer to the alkane having the carbon skeleton shown. (a) (2 pts) What is the molecular formula of this alkane? C13H38 (b) (2 pts) What is the IUPAC name? 5-ethyl-2‚6-dimethylnonane 1 pt for or 1 pt for 5-ethyl-4‚8-dimethylnonane 2‚6-dimethyl‚5-ethylnonane (1 pt) How many methyl groups are present in this alkane?____5 (1 pt) How many methylene groups?______5______ (1 pt) How many methine groups?_________3___
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the base to lose a hydrogen and form the carbon-carbon double bond [1]. When the more substituted alkene is the dominant product‚ the reaction follows Zaitsev’s rule. Zaitsev’s rule states that the major product of a β-elimination reaction is the most stable alkene [1].Acid-Catalyzed Dehydration is the elimination of a molecule of water from adjacent carbon atoms. An alcohol can be converted to an alkene by dehydration‚ which is often brought on by heating the alcohol with either 85% phosphoric acid
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excess water. The water will remove the acidic hydrogen on the carbocation producing the desired alkene as well as regenerating the acid catalyst (fig. 2). A time effective way to collect the 4-methylcyclohexene is to heat the reaction to reflux as it is taking place. This allows the product to be separated from the starting materials by means of the boiling point discrepancy between the isolated alkene (101-102C) and the starting alcohol (171-173C). After the distillate is collected any impurities
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Skip to Main content ADVERTISEMENT Journals Books Shopping cart Sign in Help Top of Form Advanced search Bottom of Form Catalysis Today Supports Open Access | About this Journal | Sample Issue Online | Submit your Article New Article Feed Alert me about new articles Add to Favorites Copyright © 2014 Elsevier B.V. All rights reserved < Previous vol/iss | Next vol/iss > Volume 190‚ Issue 1‚ Pages 1-150 (1 August 2012) Alternative Sources
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Experiment 7- Isolation of the Major Component of Clove Oil Pre-Lab Questions: 1.) Briefly explain the concept of steam distillation. What is the difference between a simple distillation and a steam distillation? When a mixture of two immiscible liquids are distilled it is referred to as codistillation. This process is referred to as steam distillation when one of the liquids is water. This distillation is used to separate organic liquids from natural products and reaction mixtures in which
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Brochure BITSAT-2013 A Computer Based Online Test for Admission to Integrated First Degree programmes of BITS‚ Pilani‚ 2013-14 The Birla Institute of Technology and Science (BITS) Pilani is an all India Institution declared as Deemed to be University under Section 3 of the UGC Act. Admissions to all the Integrated First Degree programmes of BITS‚ Pilani‚ at Pilani campus‚ Goa campus‚ and Hyderabad Campus for the academic year 2013-14 will be made on the basis of a Computer based Online Test
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Synthesis of Isopentyl Acetate (Banana Oil) Using a Fischer Esterification Reaction Zhenshu Wang (Stan) TA: Aaron League September 23‚ 2012 Purpose: The purpose of the experiment was to perform the acid-catalyzed Fischer Esterification of acetic acid and isopentyl alcohol to form isopentyl acetate‚ or banana oil‚ which is used in flavor industries. The equilibrium of the reaction was changed by adding an excess amount of acetic acid. The reaction was refluxed and product was purified by extraction
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PREPARING CYCLOHEXENE FROM CYCLOHEXANOL INTRODUCTION Alkenes can be prepared in the lab by dehydrating the corresponding alcohol. Concentrated sulphuric and phosphoric acids both act as dehydrating agents. Phosphoric acid is preferred because it gives a higher yield of the alkene. Concentrated H2SO4 reacts with alkenes. SAFETY Eye protection must be worn. Concentrated phosphoric acid is corrosive. Mop up spillages immediately with plenty of water. Cyclohexene and cyclohexanol are
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