Oxidation of Cyclohexanol Introduction: The oxidation of cyclohexanol involves using household bleach to oxidize this secondary alcohol and produce a ketone product‚ cyclohexanone. Oxidation-reduction (redox) reactions occur when the oxidation state of atoms change due to a transfer of electrons. Oxidation occurs when electrons are ‘lost’ to the formation of bonds and reduction occurs when electrons are ‘gained’ in the braking of bonds (Levine). Using this reaction and its product‚ a redox experiment
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Lab 5 Oxidation of an alcohol CHM2123 Introduction: Oxidation is a key reaction in organic chemistry. Oxidation of an alcohol can produce aldehydes‚ ketones‚ or carboxylic acids. One of the methods of oxidation is an aldol reaction through carbon-carbon bonds. The oxidation oxidizes primary alcohols to aldehydes and secondary alcohols oxidizes ketones. Tertiary alcohols are converted to the common oxidizing agents. Scheme 5.1: Aldehydes can be oxidized easily to carboxylic acids in aqueous medias
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Oxidation Number When elements combine to produce a compound‚ each element is assigned an “apparent” charge. This apparent charge‚ the charge an atom would have if both electrons in each bond were assigned to the more electronegative element‚ may be positive or negative. It is called the oxidation number or state of the element in the compound. Oxidation numbers are very useful in keeping track of what happens to electrons when various elements combine to form compounds. By remembering a few
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Catalytic reduction of hexacynoferrate (III) The silver nanoparticles were used in the catalytic electron transfer reaction between hexacyanoferrate (III) and sodium borohydride‚ resulting in the formation of hexacyanoferrate (II) ions and dihydrogen borate ions. The redox reaction is depicted as: [BH4] - + 8[Fe (CN) 6] -3 + 3H2O H2BO3 - + 8[Fe (CN) 6] -4+ 8H+ The reaction can even proceed without a catalyst‚ but it has been reported that it is a slow reaction‚ which follows zero-order
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Borohydride Reduction of a Ketone Results 1. Draw a three-dimensional structure of the stereoisomer formed in the reaction. Name the compound. meso-Hydrobenzoin 2. Include other results as suggested by your data. * The attached IR and NMR spectroscopy data. * The melting point that ranges from 135.6-137.90C. Spectroscopic Analyses Data tables IR Spectroscopy Hydrobenzoin Peaks (cm-1) | Stretches | Intensity | 3332 (cm-1) | O—H stretch | Strong and broad | 3027
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John Heger CMY 211 Lab Section 13 11-30-2011 Borohydride Reduction of Vanillin to Vanillyl Alcohol Introduction: The purpose of this lab was to reduce vanillin to vanillyl alcohol. This lab report recaps the procedure and results of the lab. The chemical process studied in this lab was reduction‚ the process of reducing the number of bonds to oxygen and increasing the number of bonds to hydrogen. Other chemical processes included in the lab were recrystallization‚ melting point‚ and extraction
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Cam-Ha Nguyen Abstract: Using hypochlorous acid to convert secondary alcohol called cyclododecanol to the corresponding ketone which is cyclododecanone by oxidation. Procedures: Gilbert‚ John and Stephen F. Martin. Experiment Organic Chemistry: A Miniscale & Microscale Approach. Belmont‚ CA: Thomson Brooks/Cole‚ 2010. 537-547. Print. Data/ Results: Synthesis of cyclododecanone: Cyclododecanol | 0.2691 (g) | Sodium hypochloride | 2.300 (ml); positive for 1 time test (purple/black)
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experiment of making borneol from camphor (FIGURE-3) is performed in two different methods‚ Sodium Borohydride Reduction and Meerwein-Ponndorf-Verley Reduction‚ to compare the relative product ratio of borneol to isoborneol. The concept of reduction and also oxidation‚ the opposite procedure of reduction‚ deals mostly with electron transfer between atoms. It will not be elaborated here‚ but the reduction procedure involved in this experiment is basically adding hydrogens and losing the carbon-oxygen double
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increased the amount of carbon dioxide being released into our environment. The team of researchers also discovered that magnified pyrite (commonly known as fool’s gold) oxidation created acidity that allowed carbon dioxide into our oceans and altered the Earth’s carbon cycle. Over a time period of 10‚000 years‚ glacial oxidation could have altered the concentration of carbon dioxide in the Earth’s atmosphere by nearly
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The Pros and Cons of a Breast Reduction Shavanna Levette Hudson Instructor: Pamela Jongbloed ENG 121 English Composition I July 29‚ 2014 The Pros and Cons of a Breast Reduction The decision to have a breast reduction surgery came after years of continuous back pain throughout my life. My experience has been a real journey in researching the right doctor and asking the right questions for this type of surgery. My journey began in 2012 after many attempts to lose weight. I began doing
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