Grignard Synthesis of Tirphenylmethanol David Szuminsky Organic Chemistry Lab II Shaopeng Zhang Monday 1PM 2/10/14 & 2/24/14 - Abstract A sample of triphenylmethanol was prepared using Grignard synthesis techniques. Reflux was used in order to speed up the reaction and the final product was purified using recrystallization methods. The percent recovery and percent yield were 80.46% and 47.526%‚ respectively. A melting point range of 85-87oC was obtained from
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green. This reaction seems oxidization. According to T.W. Graham Solomons‚ primary alcohols can be oxidized to aldehydes and carboxylic acids by chromate and produce ketone. (page. 548) The color change was observed because of reduction of Cr2O72- to Cr3+. K2Cr2O7 O CH2CH2CH2CH2CH2OH -----------------→ CH2CH2CH2CH2COH H2SO4 In second experiment‚ precipitation was observed. This proves that two test solution include aldehyde or ketone. This reaction is condensation
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(AMD) problems are the most important environmental problems in sulphide mines especially mines which contain pyrite. Oxidation of sulphides in contact with air and water produces sulphuric acid which reduces the pH of water. The result of these reactions is increase in the solubility of heavy metals and consequently pollution of water resources. The Sarcheshmeh copper mine is one of the largest porphyry copper mines in the world which is located in south-eastern Iran. Chemical analysis of over than
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Chemical Reactions Chemical Reactions Introduction In this paper you learn about the reactions that occur between backing soda and lemon juice. We will also describe what is occurring with the molecules on a molecular level. Lastly we will explain what chemical bonds are formed and or broken when lemon juice and backing soda. Observations of the Reactants When most people hear baking soda they think of the bright orange box sitting in their pantry or refrigerator soaking up the foul odors
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Synthesis Essay The Puritans dream was to create a model society for the rest of the Christians. Their goal was to make a society in every way connected to god. But to really understand what the aspirations of the puritans were‚ we must first understand their beliefs. These beliefs were expressed through their writings which have been read through the years by American students. With this‚ American students were taught Puritan lessons of devotion‚ virtue‚ and conformity. Devotion can be defined
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COMMENTS/REACTIONS ON 2014 SONA July 28‚ 2014‚ President Benigno S. Aquino‚ delivered his fifth State of the Nation Address and tackled the matters for government’s contribution in terms of education‚ health services‚ defense‚ public works and many more. The President first mentioned about the controversial “Disbursement Acceleration Program (DAP)”‚ and still convince his bosses (Filipinos) of the good achievements of DAP. As an example‚ he cited Technical Education and Skills Development Authority
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Synthesis The Tell-Tale Heart‚ and The Cask of Amontillado “The Cask of Amontillado” and “The Tell-tale Heart”‚ has a setting in the mid 1800’s‚ where the narrator in each stories killed another character‚ hid their victims and leaving no evidence behind. But both of these stories don’t end the same‚ one of these stories‚ the murder gets away‚ and the other faces his consequences. In “The Cask of Amontillado”‚ Montresor tells the story of the day that he took his revenge on Fortunato‚ because
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Introduction What is chemical change? Chemical change is the alteration of a substance into one or more different substances with different properties (also called chemical reaction). The four different types of chemial reations are synthesis‚ decomposition‚ single displacement‚ and double displacement. Synthesis is when atoms and/or molecules combine to form larger molecules. Decomposition is when a large molecules are split into elements or smaller molecules. Single Displacement has an element
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A REACTION PAPER ON THE TALKSHOW STRAIGHT FROM THE HEART YEAR 2 VALUES EDUCATION S.Y. 2012-2013 I. Introduction: This year‚ is the year 2 of the said talk show in which the Holy Name University High School Department were preparing. The title of the talk show was STRAIGHT FROM THE HEART YEAR 2. Of course‚ the talk show can’t be done without our handsome and beautiful guests. The 1st guest was our own Fr. Ruel Lero. The 2nd guest was the wife of Gov. Edgar Chatto‚ Mrs. Pureza Chatto‚ the
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Synthesis Assertion Short Write - Individualism It may seem that the ultimate function of individualism is to emphasize the moral self worth of the individual rather than the needs of today’s society. The mindset behind this notion‚ though hotly debated‚ is that it encourages ordinary people to unfold their inner potential. In a perfect world this sounds phenomenal; however‚ it is not reality. People get hung up into their own beliefs that they may show opposition to ideas that they may be exposed
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