"Alkanes alkenes and alkynes" Essays and Research Papers

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    Prelim Exam

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    Write the letter in Column B that matches the item in Column A on the space provided. ( 1 pt each) A. B. ______1. Deposits of organic materials A. petroleum ______2. Complex mixture of hydrocarbons principally alkanes B. lotion ______3. A process of separating the components of mixtures using different temperatures. c. fossil fuels ______4. It consist of paraffin wax‚ beeswax mixed with coal tar-dye. d. foot powder ______5. The protein

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    Multistep Synthesis of Tetraphenylcyclopentadienone In this laboratory experiment a synthesis was performed through several separate steps. The purpose of the experiment was to synthesize tetraphenylcyclopentadienone from benzaldehyde and to run reactions on carbonyl containing compounds. There was a total of three steps that led up to the synthesis of the final product‚ tetraphenylcyclopentadienone. The first step of the experiment was the condensation of benzaldehyde to yield

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    Sn1 Reaction Lab Report

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    The effect of temperature on the reaction rate: As the temperature increases it provides more kinetic energy to the molecules allowing them to move faster and with more energy the molecules can overcome the activation energy barrier and therefore the reaction occurs faster. 5. Since the proposed mechanism is a SN1 reaction the reaction got faster as the polarity increased. This is because SN1 reactions work best with polar protic solvents as they stabilize the carbocation. Therefore‚ as seen

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    Question for Lab Chem

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    TWS Chemistry 1013-231 Organic Chemistry I Name___________________________________ 2011 Exam#2 - Version 2 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Energy is __________ when bonds are formed and is __________ when bonds are broken; therefore‚ bond dissociation energies are always __________. A) consumed / released / endothermic B) consumed / released / isothermic C) released / consumed / endothermic D) consumed / released / exothermic

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    Oxidation of Cyclododecanol Bo Schuetz Chem 34l Section 004 10/29/2024. Introduction Goal: The objective of this experiment was to convert cyclododecanol‚ a secondary alcohol‚ into cyclododecanone‚ a ketone‚ through an oxidation reaction using sodium hypochlorite (NaClO) as the oxidizing agent. Oxidation reactions of alcohols are fundamental in organic synthesis‚ as they enable chemists to selectively introduce new functional groups‚ which can subsequently be used to build more complex molecules

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    Reviewer

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    GRADUATE RECORD EXAMINATIONS® Chemistry Test Practice Book This practice book contains one actual full-length GRE Chemistry Test test-taking strategies Become familiar with test structure and content test instructions and answering procedures Compare your practice test results with the performance of those who took the test at a GRE administration. Visit GRE Online at www.ets.org/gre Listening. Learning. Leading. This book is provided FREE with test registration by the

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    Isolation of Eugenol

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    graph attached Conclusion Simple distillation of whole cloves produced 0.712 g of a yellow oil with spicy aromatic odor‚ which contained in its IR spectrum the functional groups O-H (at 3453 cm-1)‚ sp2 C-H (3009 cm-1)‚ C=C-H (2980 cm-1)‚ and alkene C=C (at 1600 cm-1) and aromatic C=C (at 1520 cm-1). These data are consistent with the structure of eugenol. In addition‚ the IR of the product from the simple distillation of cloves closely corresponds with that of an

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    Thin Layer Chromatography

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    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 in function of their structure and polarity were inversely

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    Experiments

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    EXPERIMENT 1: REACTIONS OF ENOLATE IONS WITH CARBONYL GROUPS Aims In this experiment we used two techniques for the reactions of enolate ions with carbonyl groups. One technique used was Doebner reaction and the other technique used was Claisen-Schmidt reaction. Therefore the aim of this experiment is to synthesize trans p-methoxycinnamic acid and to synthesize dibenzalacetone via an aldol condensation reaction between acetone and benzaldehyde. The products would be recrystallized using ethanol

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    Wittig Reaction

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    Hornes-Emmons-Wittig reagent to generate an enolate anion of trimethyl phosphonoacetate instead of a phosphorus ylide. The methyl trans-4-methoxy cinnamate produced is then analyzed using melting point and 1H NMR spectroscopy. Theory The Wittig reaction prepares alkenes from carbonyl compounds by attacking a phosphorus ylide with a nucleophilic carbon atom stabilized by a triphenylphosphonium group. An ylide is a compound that contains two oppositely charged atoms bonded together with complete octets and is generated

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