Carbon Compounds Activity 1: Organic Compounds: Are they Useful? Objective: Recognize the uses of common organic compounds. Materials: paper and pen‚ pentel pen‚ manila paper Labels or Pictures of the following products: gasoline‚ acetone‚ kerosene‚ acetic acid‚ LPG‚ ethanol Procedure: 1) With your group mates‚ use the labels/pictures of the materials to answer the following questions: a.) Complete the table about the uses of the compounds. Indicate using a check mark the uses of
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R or S ? www.primaryrx.com/pdf/C-PHEN%20DM%20DROPS.pdf 1 Chapter 15: Benzene and Aromaticity Introduction: • All organic compounds can be derived into two broad classes 1. Aliphatic compounds Nonaromatic hydrocarbons such as alkanes‚ alkenes or alkynes 2. Aromatic compounds A series of cyclic unsaturated compounds with unusually high stability • The properties and reactions of aromatic compounds are exemplified / demonstrated by the properties and reactions of benzene (the “parent”
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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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w w w e tr .X m eP e ap UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education .c rs om *2925136620* CHEMISTRY Paper 3 (Extended) 0620/33 May/June 2012 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a pencil for any diagrams‚ graphs
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cyclohexene with water. The formation of product cyclohexene which is reweight and adding of bromine the last reagent for confirming that is alkene known as bromine test which leads to colour changes. Yet this experiment reflects some important discussion and conclusion for the formation of cyclohexene. INTRODUCTION One of the common ways of preparing an alkene is through the dehydration of an alcohol. Cyclohexanol‚ the reagent of this experiment‚ is used in the production of nylon‚ paints‚ plastics
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Product The terminal alkene is the least substituted and therefore the least favored. 3) The starting alcohol consisted of a mixture of stereoisomers. Draw all the possible stereoisomers of 2-methylcyclohexanol. 4) The reaction you carried out is considered to be reversible. Write an equation for the equilibrium constant (Keq) for the reaction in terms of the concentrations of reagents. Give 2 reasons why your reaction favored the formation of alkenes. We were removing
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Polymerization reaCTIONS polymers are high-molecular-weight compounds‚ fashioned by the aggregation of many smaller molecules called monomers. Ex. plastics that have so changed society and the natural and synthetic fibers used in clothing are polymers. Classification of polymers Homopolymers - consist of repeated long chains or structures of the same monomer unit. Ex. PVC(polyvinyl chloride) Copolymers - polymers that consist of more than one molecule. Trimers - molecules consisting
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Part I (20 marks) – Multiple Choice (2 marks each). Use the structure below to answer questions 1-7. 1. How many degrees of unsaturation are found in the above compound? a) 2 2. c) 4 d) 5 e) 6 What term best describes the alkene in the above compound? a) R 3. b) 3 b) S c) Z d) E e) trans What is the configuration of the chirality centres (stereocentres) labelled 1 and 2 in the above compound? a) 1 is R and 2 is S b) 1 is R and 2 is R c) 1 is S and
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found that the product yielded 1‚2-epoxydihydronaphthalene as well as naphthalene. Introduction In 1990‚ professor E.N. Jacobsen reported that chiral manganese complexes had the ability to catalyze the asymmetric epoxidation of unfunctionalized alkenes‚ providing enantiomeric excesses that regularly reaching 90% and sometimes exceeding 98% . The chiral manganese complex Jacobsen utilized was [(R‚R)-N‚N’-Bis(3‚5-di-tert-butylsalicylidene)-1‚2- cyclohexanediaminato-(2-)]-manganese (III) chloride
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Chemistry Unit 1 – Revision Questions Chemistry 1A 1) Define an element. How many are there in the Periodic Table? 2) Write a table with the charges and masses of protons‚ neutrons and electrons. 3) Define atomic number and mass number. 4) Draw electron (energy level) diagrams for Be‚ S‚ Al‚ Cl and K. Also‚ write down the number of protons and neutrons for each. Finally‚ write the symbols (with mass no. and atomic no.) 5) Why have all Group 7 elements (halogens) got similar chemical properties
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