Task Practical Report Aim Produce three different esters by using a range of carboxylic acids and alcohols. My hypothesis was also correct but one of the odors raspberry) was hard to distinguish so next time we have to take more precaution Nile doing our lab. Discussion…………………………………………………………………………………………6 PRACTICAL REPORT Title            : Reaction Of Alcohol The percent yield Procedures: c)Add some distilled water into the appropriate volumetric flask from the wash bottle. eZ��8S*�ev�B_�?���]+����WZگFQ-?N�n]{��@���YO�C��k�[��'_�@����E�W�����3ᕉ%rd5�e�� �p�[�钗\�Y �-����%|�)��E �B�w4��p�.��G��� f�����d�����t�'��w�����u�2�T�9���5�2+n1LF�< �dw�#�Sr/;/�g����?���U��e6K�����n�s���iO�]��s��J˸�z�;?�'���-\���y���L���rE���V��܈��}�/���N�M��"#s��΋�� To a small test tube, add approximately 1 g of a salicylic acid and 1 mL of methanol. aqueous phase out of the funnel. TITLE                 :REACTION OF ALCOHOL Synthetic ion exchange material based on coal and phenolic resin were first introduced for industrial use during the 1930s. 5. Procedures…………………………………………………………………………………………5 The flask endobj After that, the organic layer was returned to the The flash was rinsed with 15 mL dichloromethane and it was Concentration refers to the abundance of a substance in its mixture or solution. 1. We put approximately 120 ml of tap water in a 250 ml beaker. Observations: Fourth titre Table 1: Table showing the mass of the amount of unknown acid X measured in grams (±0.001g) Science Process Skills 2:11:5.5 Students will discover how the composition of a molecule affects its interactions with other molecules. Add 3–5 drops of concentrated sulfuric acid to the tube and heat the tube in a … The kilojoule per mole calculated was used in Hess’s law in order to calculate delta H. As there are always some errors in a lab, the amount of hydrochloric acid could have been off by ±1... ...JOMO KENYATTA UNIVERSITY Into the appropriate test tube, using droppers, transfer an approximate amount of alcohol and carboxylic acid according to given table. Anhydrous sodium sulfate was b)Dissolve the pellets in 100cm3 of distilled water. 2.0 mL of 1-bromobutane, 3.0 g of sodium benzoate, 5.0 mL of water, 4 drops of By continuing we’ll assume you’re on board with our cookie policy. c)Cover the beaker with watch glass. The solid was formed in the mixture and the flask was <> PROCEDURE. The preparing a dilute HCl solution from a concentrated one ��vPtN(�s%�����JyV��Vb�oqe��ZNc�ek-˂b#����Zg:�$��\�Ff We measured the salicylic acid on the balance. SUPERVISOR    :  x��ZYs�F~W��C?r6R�}�IVmiK^��ƒ#O*�r�5C��h4��_�8xsZC9�Ksp�@�y���{s���2�bq���D���*�*��2�bqt�?��z���k|y���9�8�����, This is achieved by a rotor or impeller, which is driven by an external source of power to move a row of blades so as to... ...Data collection PRACTICUM     :  a)Weigh approximately 2g of NaOH pellets on the electronic balance, and introduce them into 150cm3 beaker. The separation of a Fe3+ and Ni2+ mixture was firstly investigated; followed by the determination of the Fe3+ and Ni2+ content (concentration) in the original mixture. The reactions were exothermic because of heat that was released into the surroundings from the reaction. Objectives…………………………………………………………………………………2 Introduction: We collected approximately 25 ml of distilled water and added 5 MI of distilled water to each of the test tubes. PARTNER          :  �;h2R�f��!��b���S���y��[��`�����?��ؕ�K�f���%����ӂLR{��\�-Z.1T����Z�Z���΍9��5���e�ca�-;�mI�8�K���K��B֫=C����%� r��84��S endobj Place 15 mL (12.2 g, 0.138 mole) of isopentyl alcohol in a 100-mL round-bottom flask and add 2O mL (21 g, 0.35 mole) of glacial acetic acid. After the difference in temperature from beginning to end of the reaction was taken, the Q = m∙c∙ΔT was used to find the Q of Water and system. Attach a reflux condenser and, using a heating mantel, reflux the mixture for 1 hour (do not forget to add boiling stones). endobj b)Introduce a small amount of the concentrated acid solution into a 50cm3 beaker. Classification Tests for Carboxylic Acid and Derivatives, Qualitative Tests for Carbonyls: Aldehydes vs. Ketones, The Purpose of This Lab is to Yield Isoam, Exp. Synthesis of Esters Lab Report GSEs: ... with a carboxylic acid, an ester is formed. International College shaken until it dissolved. The first process is synthesis of the ester. This experiment introduces the use of dimensionless analysis and conventionally analytical method to survey the performance of centrifugal pump. Procedure Conclusion………………………………………………………………………………………...7 To be able to prepare standard solutions. Qualitative data d) Insert the solution into burette... ...Kevin Nam Honors Chemistry These exchanges take place without any physical alterations to be the ion exchange material. Also, through this experiment, students know some basic indexes to assess the efficiency of pumps used. Esters are readily prepared from the condensation reaction of a carboxylic acid and an alcohol, catalyzed by the addition of a strong acid such as sulfuric acid. To be able to standardize Sodium Hydroxide (NaOH) solution using a standard solution of Oxalic acid. EN251-0221/2010 added to the separating funnel. Ion exchange materials are insoluble substances containing loosely held ions which are to be exchanged with other ions in solutions which come in contact with them. To classify alcohol Determine the ester formed by using the smell given off by the products and thechemical equations for the three different reactions. Introduction………………………………………………………………………………………..2 12.0 Third titre The structural formula for esters can be represented as R-COO-R’. Data processing: Standardization d)Using a pipette, take from the beaker the necessary volume of the concentrated acid and admit it into the volumetric flask. They all produced water at the end and the catalyst sulfuric acid completed the reactions. When transferring the acid from the mortar to the flask by washing it with water, the low solubility of the acid made it hard and some of it was still stuck in the mortar and was not transferred into the flask. <>                          H                                      H                                   H Many natural substances such as proteins, cellulose, living cells and soil particles exhibit ion exchange properties which play an important role in the way they function in nature. Fill a 250 mL beaker half full with water, and heat the water to 60oC with a Bunsen burner. b)Dissolve the pellets in 100cm3 of distilled water. Put one drop of carboxylic acid and one drop of alcohol on opposite sides of a piece of filter paper. Into the appropriate test tubes, we poured the correct amount of an alcohol and added a carboxylic acid as indicated in the table below. Smell reactants before starting. Finally, the hood was used to remove the dichloromethane Swirl the flask and carefully add 4 mL of conc. They are formed when a carboxylic acid reacts with alcohol and a strong acid such as a catalyst called sulfuric acid (HOSTS) for this lab. Abstract……………………………………………………………………………………………2 To study the chemical properties of alcohols Background………………………………………………………………………………..2 Aims: The end of this experiment points out the benefit of using the “new” method to the conventional in most practical problem, especially in the survey of turbo-machine. separating funnel and washed with 15% NaCl solution. SEMESTER 2 SESSION 2011/2012 <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 10 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S>> DATE                 : Primary Alcohol(1 ̊)      Secondary Alcohol(2 ̊)       Tertiary Alcohol(3 ̊) 3. INTRODUCTION The concept of this lab was to find the difference in temperature from the beginning to end of combustion of magnesium and calculate the standard heat of combustion of magnesium by using the calorimeter and a thermometer. The class was assigned to combine alcohols and carboxylic acids in order to create different type of esters. Appendix…………………………………………………………………………………………..7 We do this in order to titrate the nickel from the test solution with EDTA then take the ratio of the volume EDTA to... ...Synthesis of Butyl Benzoate Using Phase Transfer Catalysis A standard solution can be defined as a solution that contains a precisely known concentration of a substance. The concentration of Ni2+ and Fe3+ ions was to be calculated. To analyze errors that occur during standardization experiments. 5 - Preparation of Synthetic Banana Oil, Preparation Of N N-diethyl-m-toluamide (deet), The Grignard Synthesis of Triphenylmethanol, Acid-Base Titration Chemistry Formal Lab Writeup by A.Mm, Free online plagiarism checker with percentage.

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