"Nitration of methyl benzene" Essays and Research Papers

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    Solubility

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    p.  1   Megan  Ly   Chemistry  231L   February  20‚  2013     SOLUBILITY     Purpose:  To  better  comprehend  solubility  behavior  by  investigating  the  solubility  of  various   substances  in  different  solvents‚  looking  at  miscible  and  immiscible  pairs  of  liquids‚  and   observing  the  solubility  of  organic  acids  and  bases.     Reference:

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    Haloalkanes and Haloarenes

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    Objectives After studying this Unit‚ you will be able to • name haloalkanes and haloarenes according to the IUPAC system of nomenclature from their given structures; • describe the reactions involved in the preparation of haloalkanes and haloarenes and understand various reactions that they undergo; • correlate the structures of haloalkanes and haloarenes with various types of reactions; • use stereochemistry as a tool for understanding the reaction mechanism; • appreciate the applications of organo-metallic

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    Thin Layer Chromatography

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    analgesic drug tested. Acetaminophen contains a polar alcohol group on one side and amide group on the other but also includes non-polar functional groups that consisted of the benzene ring and methyl group. Acetylsalicylic acid low polarity results from only containing a carboxylic acid and ester and the presence of alkenes in the benzene ring. Ibuprofen was the least polar out of all analgesic drugs because it only contains one carboxylic acid and non-polar functional groups. The behavior of these compounds

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    Electrophilic Aromatic Substitution Objective The objective of this experiment was to illustrate electrophilic aromatic substitution by synthesizing p-nitroanilide (as well as ortho) from acetanilide by nitration. The para form was separated from the ortho form based on solubility properties using recrystallization techniques. Synthetic equations: Physical Properties & Hazards of Reagents/Products: (all taken from Sigma-Aldrich website) Acetanilide MM = 135.16 g/mol Melting point =

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    Grignard Reagent Lab

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    Time Corrected Ret. Time 1 0.720 0 2 1.088 0.368 Chloride: 9.0 mL Petroleum Ether: 3 mL Diethyl Carbonate: 0.250mL Methyl Benzoate: 0.250mL Table 4: GC 2

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    Triphenylmethanol Aim The aim of this experiment was to prepared Grignard reagent (phenylmagnesium bromide) from bromobenzene and magnesium‚ to use the reagent prepared to synthesise a tertiary alcohol (triphenylmethanol) by reacting reagent and ester (methyl benzoate)‚ and the product formed is analyse by infrared spectroscopy (IR)‚ melting point‚ thin layer chromatography (TLC)‚ gas chromatography mass spectrum (GCMS) and finally Nuclear Magnetic Resonance spectroscopy. Introduction Formation of long

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    T2:BIOCHEMISTRY AND ANALYSIS:DETECTION OF FATS‚PROTEINS AND CARBOHYDRATES OBJECTIVE The main purpose of the experiment is to understand some general tests that detect fats‚proteins and carbohydrates in foods. INTRODUCTION Carbohydrates are also known as sacharides. There are 4 main groups of carbohydrates‚which are monosaccharides‚ disaccharides‚ oligosaccharides and polysaccharides. Carbohydrates play an important role in living organism as it is the energy storage‚ and it also plays

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    Chem

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    Abstract In the asymmetric synthesis of (S)-Ibuprofen‚ the compound is synthesized in nonracemic form directly from an achiral precursor. First‚ racemic ibuprofen was converted to aN achiral ketene via the acid chloride by adding thionyl chloride followed by triethylamine. Then‚ ketene was reacted with a chiral and nonracemic (S)-ethyl lactate produces a mixture of diasteromeric esters of ibuprofen derivatives where (S) configuration is predominantly. Finally‚ hydrolysis of the ester then provides

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    Post Lab

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    (n-decyl alcohol) in water 2. Predict whether the following pairs of liquids would be miscible or immiscible. It may be helpful to look up some of the chemical structures. (3pts) a. Benzene and water b. Water and methyl alcohol c. Hexane and benzene d. Methylene chloride and benzene e. Water and toluene f. Ethyl alcohol and isopropyl alcohol 3. Consider a crystallization of sulfanilamide in which 10mL of hot 95% ethyl alcohol is added to 0.10g of impure sulfanilamide

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    Paranitrophenol Lab Report

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    Manufacture of Paracetamol Introduction Paracetamol‚ the most common medicine nowadays‚ has been used by people

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