• Solubility Techniques
    separation by extraction, as shown in the flow diagram in Figure 27.1. 352 COOH Part 4 • Organic Qualitative Analysis OCH3 Benzoic acid (stronger organic acid) OH NH2 Methoxybenzene, or anisole (neutral) Phenol (weaker organic acid) CH3 NH3Cl p-Aminotoluene, or p-toluidine (a...
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  • Paper
    to attempt a distillation in a completely closed system? 10 Extraction Separation of a Three Component Mixture Using Extraction Techniques Extraction is a method often used by organic chemists for the rapid crude separation of mixtures containing acidic and/or basic compounds often in the...
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  • Organic Chem
    . Crystallization Place 1 gram of crude oxalic acid (acetylide or benzoic acid may be used in test tube and add 5 mL of water). Boil the mixture for 1 minute and filter the solution while hot and set aside the filtrate to cool. Observe. c. Sublimation Place ½ gram of naphthalene in a dry clean test tube...
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  • Chem 201 - Extraction
    containing the residual benzoic acid. 5) Calculate the dichloromethane/water partition coefficient for benzoic acid. Separation of Neutral and Basic Substances 1) the acid + non-acid mixture is first dissolved in ether, an organic solvent that dissolves most organic compounds...
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  • Organic Lab
    sodium carbonate in the extraction of caffeine from tea leaves?........... (Salting out) 1. Decreases the solubility of organic compounds in the saturated aqueous phase. 2. Decrease the solubility of the organic and aqueous phases in each other, thus improving their separation. 4. What...
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  • Rise of Han
    the impurities of Benzil and Benzoic acid in the crude components. These impurities were present because of two reasons. The first is because impurities occur naturally. The second reason is that during the extraction of these components, impurities formed from the reaction of the added chemicals...
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  • Extraction with Acid and Alkaline
    Title:Extraction:Extraction with acid and alkaline Objective: 1. To recover benzoic acid and p-dichlorobenzene from its mixture using acid-alkaline extraction. 2. To determine the percentage recovery and melting point of benzoic acid and p-diclorobenzene. Apparatus:Separatory funnel(250mL...
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  • Lab 14
    Michael Abreu Lab Partners: Marcela Cataño, Destiny Bosco, Uyen Le Organic Chemistry 2423 Houston Brown Dates Performed: 11/01/12, 11/06/12, 11/08/12 Extraction of Benzoic Acid and Naphthalene Introduction and Purpose Extracting compounds from one another is very similar to...
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  • Lab on Separation of Mixures
    | | Grams | Percent of mixture | Iron filings | 1.8 | 30 % | Sand | 1.3 | 20 % | Table salt | 1.8 | 30 % | Benzoic acid | 1.2 | 20 % | Total | 6.1 | 100 % | * In the experiment, “separation of mixtures” I separated the mixture into pure substances. The four substances in my...
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  • Separation of Three Compounds by Extraction
    Exp. 2 Separation of Three Compounds by Extraction Introduction: The purpose of this experiment is do demonstrate the proper procedures of extraction and to develop a practical understanding of this method. In this experiment, extraction is used to separate a known acid, base, and neural...
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  • Separation of Benzoic Acid and Acetanilide
    Chem 3100 Thursday 9am-1:45pm Olumba Obu Unknown #: 146 Fall-11 Organic Chemistry Midterm Report 13 October 2011 Table of Contents Separation of Benzoic Acid and Acetanilide 3 Extraction and Purification of Caffeine from Tea 4 Extraction of Trimyristin from Nutmeg 5 Conversion...
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  • Acid-Base Extraction: Benzoic Acid Two-Base Extraction
    TWO-BASE EXTRACTION OF BENZOIC ACID, 2-NAPHTHOL, AND NAPHTHALENE FROM UNKNOWN SAMPLE # 131 Douglas G. Balmer (T.A. Mike Hall) Dr. Dailey Submitted 11 July 2007 Introduction: The purpose of this experiment was to separate a sample of benzoic acid, 2- naphthol, and naphthalene of...
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  • Esterification of Methyl Benzoate from Benzoic Acid
    : The benzoic acid, alcohol, and sulfuric acid mixture refluxed for 1 hour then cooled to be added to a separatory funnel later. Separation Procedure: -Separatory Apparatus (funnel)-Extraction -Simple Distillation Extraction occurred four times in order to remove the alcohol, unreacted...
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  • Fluorenene to Fluoronone
    technique since it permits the sample to be collected whereas TLC only allows the product to be separated and not collected. In the experiment TLC was also used to monitor the effectiveness of the separation. Hence, in preparation of the column, glass fiber was first filled into the column followed by...
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  • Lab Report Partition Coefficient
    3/16 Chem 322 Friday Partition Coefficient (Extraction) Lab for Benzoic Acid Reaction Mechanism: Purpose: The purpose of this particular lab was to demonstrate the difference in separation of Benzoic acid in water and Dichloromethane. Also the difference in separation of Benzoic...
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  • Scchemaga
    tenfold increase in acidity for every pKa unit. Extraction of a strong organic acid from a neutral organic compound (Scheme 1) The separation of benzoic acid from 1,2,4,5-tetramethylbenzene is depicted in Scheme 1. The first step is to dissolve the two compounds in an organic...
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  • The Extraction of Benzoic Acid
    . The purpose of this experiment was to extract benzoic acid from a crude mixture. The following is the extraction scheme that was used: The crude mixture is dissolved in ether and the insoluble compounds are separated via vacuum filtration. Next, NaOH is added to the solution to generate the...
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  • identification of unknown compound by extraction
    Extraction, Purification and Identification of an Unknown Mixture Abstract The purpose of this experiment was 1) to separately extract any amines, phenols, carboxylic acids, salts/sugars and/or neutrals, present in a supplied mixture. 2) to purify two of the components by recrystallisation 3...
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  • Kd - Distribution Coefficient
    ? The best is the successive extractions using smaller amounts of solvent because more benzoic acid was extracted in the organic layer using the multiple extractions technique and less benzoic acid was remaining in the aqueous layer, the multiple extractions also proved to have a larger Kd value....
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  • Lab Manual
    CHM 1321 Organic Chemistry Laboratory Contents CHM 1321 Organic Chemistry 1 Thin Layer Chromatography and Extraction 2 Stereochemistry and Molecular Models 3 Reduction of 3-Nitroacetophenone 4 Preparation of Benzoic Acid 5 Epoxidation of (R)-(–)-Carvone with mCPBA 2 6...
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