are immiscible and all are flammable. Tests for active unsaturation indicate that hexane‚ heptane‚ cyclohexane‚ benzene and toluene are saturated while cyclohexene is actively unsaturated. Hexane‚ heptane‚ benzene‚ and toluene are classified as aliphatic while cyclohexane‚ and cyclohexene are aromatic. All are not oxidized except for cyclohexene. I. Introduction Hydrocarbons are compounds that contain only carbon and hydrogen. Hydrocarbons can be aromatic or aliphatic
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Analysis of Hydrocarbons Myra Gurango‚ Geneva Guy‚ Micah Hernandez* and Joyce Lagarde Department of Chemistry‚ University of Santo Tomas‚ Manila‚ Philippines Abstract The organic compounds hexane‚ toluene‚ cyclohexene and naphthalene in hexene were subjected to parallel chemical testing to differentiate their intrinsic physical properties in terms of structure and behavior. The physical state and color were noted by simple physical observation. Nitration Testing was conducted for preliminary
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attachment of an OH to the ring; the ether group is oxygen bonded to two R groups on either side of it. THC contains 20 sigma bonds and four pi bonds. Three rings are present as well‚ two cyclohexene rings and one benzene ring. Attached to the first cyclohexene ring is one methyl group. On the second cyclohexene ring‚ two methyl groups are present as well as the ether group. On the benzene ring‚ the hydroxyl group is the substituent‚ and a pentane chain is attached to the ring as well. THC contains
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2-bromo-1-ethyl-2-butene D. 3-bromo-2-ethyl-1-butene E. 3-bromo-2‚2-dimethyl-1-butene 9. Assign an IUPAC name to the unsaturated hydrocarbon shown below. A. methyl-3-cyclohexene B. 4-methyl-1-cyclohexene C. 3-methylcyclohexene D. 1-methyl-3-cyclohexene E.
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Preparation and Characterization of Hydrocarbons Miranda‚ Marilyn1‚ Comaling‚ Leif Anthony B.2 1Professor‚ School of Chemical Engineering‚ Chemistry and Biotechnology‚ Mapua Institute of Technology; 2Student (s)‚ Subject/Section‚ School of Chemical Engineering‚ Chemistry and Biotechnology‚ Mapua Institute of Technology ABSTRACT Hydrocarbons are compounds that only contain carbon and oxygen atoms. Alkanes‚ alkenes‚ alkynes and aromatic rings are the four classifications of hydrocarbons
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Introduction 3 Results 4 Discussion 6 Conclusion 7 Experimental 7 References 8 Preparation of 2-Acetylcyclohexanone Introduction When hydrogens are present on the α-carbon of ketones (like the reaction used in this experiment)‚ carbonyl compounds and aldehydes‚ they turn the compound slightly acidic1. These functional groups are removed by using a basic solution as shown in (i) below1. The product formed with water is stable only due to resonance‚ but does
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carbon-carbon double bonds are positioned next to one another‚ a conjugated diene is formed. Conjugated dienes undergo a cycloaddition reaction with certain double bonds to afford cyclohexenes and related compounds. The reaction is named Diels-Alder. The Diels-Alder reaction is between 1‚3-butadiene and ethylene to produce cyclohexene + dienedienophile. The mechanism of the Diels-Alder reaction is classified as a [4+2] cycloaddition reaction‚ because one reactant (the diene)‚ contributes four carbon atoms
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Laboratory #6 Qualitative Tests for Carbonyls: Aldehydes vs. Ketones Introduction Various chemical tests identifying ketones and aldehydes are used in this experiment in order to identify an unknown carbonyl compound. The tests used are: 2‚4-dinitrophenylhydrazone test‚ Tollen’s Test‚ Benedict’s Test‚ Chromic Acid Test‚ aka Bordwell-Wellman Test‚ Schiff’s Test‚ and Iodoform Test. These classification tests provide results based on color change or formation of precipitation‚ which is then used
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Experiment 1 Stereochemistry Stereochemistry is the study of the three-dimensional configuration that makes up a molecule and the ways in which this arrangement affects the physical and chemical properties of molecules. Isomerism is the main concern of stereochemistry. Isomers are sets of chemical compounds with identical molecular formulas but different structural properties. There are two types of isomers‚ structural isomers and stereoisomers. Structural isomers are subdivided into two:
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bromine solution is added then the reaction would not be able to run to completion and bromine would be the limiting reagent causing less final product. (c) If cyclohexane was used then it would not react with the bromide nearly as much as the cyclohexene and there would be a larger amount of bromide in the final
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