reactivities of different alkyl halides with two different reagents; sodium iodide in acetone and silver nitrate in ethanol. Below the reaction equations 1. RX+NAIRI+NAX (X=Cl or Br) in the presence of acetone 2. RX+AgNO3+EtOHROEt+AgX+HNO3 We used three substrates primary secondary and tertiary compounds are 1-bromobutane‚ 2-bromobutane and 2-bromo-2-methylpropane respectively to react with the two nucleophiles that are sodium iodide with acetone solvent and silver nitrate with ethanol solvent. Based
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prepare the Grignard reagent methylmagnesium iodide and react it with benzoin to form the 3o alcohol 1‚2-diphenyl-1‚2-propanediol‚ through an addition reaction pathway. Introduction: Grignard reagents are alkyl or aryl-magnesium halides that act as the nucleophile in Grignard reactions‚ where ketones are reacted with the reagent‚ then treated with acid to produce an alcohol. In the case of this experiment‚ methylmagnesium iodide was created from methyl iodide and magnesium metal. It acted as the Grignard
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UTAR FHSC1134 Inorganic Chemistry Trimester 3 Experiment 1 ________________________________________________________________________ Title: Investigating the Properties of Period 3 Oxides Aim: To examine the oxides of Period 3 elements and describe their structure and bonding. Introduction: Generally‚ there are oxides of metals and non-metals. Metals burn in oxygen to form basic oxides while non-metals form acidic oxides. Structurally‚ they are covalent or ionic compounds. You are to
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Chemistry Equipment Symbols 1. Test Tube 2. Boiling Tube 3. Beaker 4. Conical Flask 5. Test Tube Holder/ Tongs /Clamp Stand 6. Measuring/Graduating 7. Funnel 8. Pipette Cylinder 9. Spatula 10. Tripod 11. Bunsen Burner 12. Glass Bulb 13. Burette 16. Condenser Pipette Changes of State Filtering Solutions 03-Nov
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PHILIPPINES‚ DILIMAN‚ QUEZON CITY 1101‚ PHILIPPINES DATE SUBMITTED: JANUARY 8‚ 2013 DATE PERFORMED: DECEMBER 5‚ 2012 ------------------------------------------------- ABSTRACT The kinetics of the reaction between persulfate (S2O82-) and iodide (I-) ions was studied in the experiment. Temperature‚ concentration of reactants and catalyst presence were the different factors examined if they had an effect on the rate of reaction between S2O82- and I-. The reaction of interest was timed by measuring
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throughout the procedure are outlined below: Mn2+ + 2OH– + 1/2 O2 oxygen-manganese complex + H2O (1) oxygen-manganese complex + 4H+ + 2I– I2 + Mn2+ + 2H2O (2) I2 + 2Na2S2O3 Na2S4O6 + 2NaI (3) Addition of the manganous sulfate and the alkaline-iodide results in the formation of an insoluble oxygen-manganese complex (1)‚ the precipitate in step 2. The oxygen is stable in this form for several days. Both the
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sufficiently rinse the cleaned test tube with DI water. Methylene chloride‚ CH2Cl2‚ which is a non-polar organic compound was added to the solution reacted with the iodide in the solution to form a violet coloured layer of denser solution‚ which settled at the bottom of the test tube. An alternative means of testing for the presence of iodide anions would have been to use starch‚ which forma a characteristic blue-black
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This paper is going to explore acne vulgaris‚ commonly referred to as acne. Acne is a skin disease‚ caused by changes in the pilosebaceous units (skin structures consisting of a hair follicle and its associated sebaceous gland). Severe acne is inflammatory‚ but acne can also manifest in noninflammatory forms. Acne lesions are commonly referred to as pimples‚ spots‚ or zits. Acne is most common during adolescence‚ affecting more than 85% of teenagers‚ and frequently continues into adulthood. For
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Chapter 15: • Matter is anything that has mass and takes up space. – Ex: Your textbook‚ you‚ your pen/pencil‚ air‚ etc. • Classification systems are used all the time to organize objects. – Ex: The Periodic Table of Elements‚ organizing your locker‚ your clothes‚ etc. • In order to make the study of matter easier to understand‚ scientists have developed ways to classify matter. • The properties of materials can be used to classify them into general categories. – Ex: Pure substances‚ elements
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different compounds are being worked with – potassium iodide‚ lead (II) nitrate‚ acetic acid and sodium bicarbonate. The purpose of this experiment is to determine whether or not a reaction has taken place using qualitative and quantitative analysis. Procedure Part 1 - Qualitative observations of both potassium iodide and lead (II) nitrate were recorded in a table. Then‚ the equipment and chemicals needed were gathered – potassium iodide and lead (II) nitrate‚ a graduated cylinder‚ Erlenmeyer
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