Unsaturated Hydrocarbons Unsaturated hydrocarbons Have fewer hydrogen atoms attached to the carbon chain than alkanes. Are alkenes with double bonds. Are alkynes with triple bonds. 1 Structure of Alkenes Alkenes (and alkynes) are unsaturated hydrocarbons Alkenes have one or more double bonds The two bonds in a double bond are different: - one bond is a sigma () bond; these are cylindrical in shape and are very strong - the other is a pi (π) bond; these involve sideways overlap of
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Nitration of Methyl Benzoate Purpose: The purpose of this experiment was to synthesize methyl m-Nitrobenzoate from methyl benzoate‚ concentrated HNO3‚ and concentrated H2 SO4 by an electrophilic substitution reaction. The H2 SO4 and the HNO3 were initially combined to form nitronium ion which was then used as an electrophile in the reaction. Crystals that were collected after the formation of the methyl m-Nitrobenzoate were collected by vacuum filtration and the product was isolated and purified
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Introduction Chromatography is a technique used to separate a mixture into its individual components. In this experiment‚ chromatography is done by using a thin layer chromatography (TLC) plate and filter paper. The word ‘chromatography’ itself means the separation of colours. However‚ nowadays‚ both coloured and colourless compound are used in chromatography by various methods. In chromatography‚ the separation process of mixture is mainly based upon the polarity and molecular weight of sample
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More Flags‚ More Fun! Six Flags Entertainment Corp. is the world’s largest amusement park corporation based on the number of properties in Mexico‚ the United States‚ and Canada and that it is the fifth most popular in terms of attendance. The company maintains eighteen properties throughout North America consisting of theme parks‚ water parks‚ and family entertainment centers. The company was founded in Texas and took its name from its first property‚ Six Flags Over Texas. The company maintains a
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[19593 Organic Chemistry of the Tramition Elements. Part r. View Online 551 Downloaded by University of Washington on 01 February 2011 Published on 01 January 1959 on http://pubs.rsc.org | doi:10.1039/JR9590000551 113. The Organic Chemistry of the Transition Elements. Part I. Tricarbonylchromium Derivatives of Aromatic Compounds. By B. NICHOLLS M. C. WHITING. and Many aromatic compounds‚ ArH‚ displace carbon monoxide from chromium hexacarbonyl with the formation of complexes Cr(CO)
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Research Paper on Dogs There are two types of dogs on the planet‚ working dogs and worthless dogs. If you are a pet lover I should now have your attention. Yes‚ I know if you have a dog that is just a pet they can supply needed love or companionship but there is a class of dogs out there that can do this while earning their keep‚ working dogs. There are many uses for working dogs such as hunting‚ herding‚ guarding‚ rescue work‚ police work‚ and more. The two types of working dogs I wish to share
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The tert-butyl group has been broadly used to protect functional groups in natural product synthesis such as amino acid‚ peptide and protein chemistry [1]. The tert-butoxycarbonyl (BOC) group is known as protecting group for amides in organic synthesis. The introduction of BOC group improves the solubility of organic precursors and their processability in organic synthesizes [2]. The methyl substituted pyridine derivatives were widely reported for their various biological activities such as anxiolytic
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INFRARED SPECTROSCOPY: FUNDAMENTALS AND APPLICATIONS Barbara H. Stuart University of Technology‚ Sydney‚ Australia 72 Infrared Spectroscopy: Fundamentals and Applications hydrocarbons appear in the 3000–2800 cm−1 range and the C–H stretching bands of methyl groups and methylene groups are readily differentiated. For methyl groups‚ asymmetric C–H stretching occurs at 2870 cm−1 ‚ while symmetric C–H stretching occurs at 2960 cm−1 . By comparison‚ methylene groups show asymmetric stretching at 2930
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Bibliography: Blumberg‚ Katherin O. "LOW-SULFUR GASOLINE & DIESEL." Web. 07 Jan. 2012. <http://www.unep.org/transport/pcfv/pdf/publowsulfurpaper.pdf>. Dane‚ John‚ and Kent J. Voorhees. "Investigation of Nitro-Organic Compounds in Diesel Engine Exhaust." National Renewable Energy Laboratory (2010). Print. "Emission Standards: USA: California Diesel Risk Reduction Program." DieselNet: Diesel Emissions Online. Web. 07 Jan. 2012. <http://www.dieselnet.com/standards/us/ca_diesel
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sodium hexanitrocobaltate (III) Date: 12 March 2014 INTRODUCTION Sodium hexanitrocobaltate (III) is a coordination complex which has the formula Na3[Co(NO2)6]. This compound is yellow in colour. It consists of a central Co3+ ion surrounded by six nitro ligands [1]. This compound is used as a qualitative test for potassium and ammonium ions (so long as certain other cations are not present) [1]. Potassium and ammonium are insoluble in water‚ while sodium is [1]. Hence‚ the potassium and ammonium salts
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