Phenol‚ also known as carbolic acid‚ is an aromatic organic compound with the molecular formula C6H5OH. It is a white crystalline solid that is volatile. The molecule consists of a phenyl group (-C6H5) bonded to a hydroxyl group (-OH). It is mildly acidic‚ but requires careful handling due to its propensity to cause chemical burns. Phenol was first extracted from coal tar‚ but today is produced on a large scale (about 7 billion kg/year) from petroleum. It is an important industrial commodity as a
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The Stereochemistry of Bromine Addition: Bromination of trans-Cinnamic Acid Pitak Chuawong Objectives 1. To perform bromination of trans-‐cinnamic acid 2. To investigate stereochemistry of bromination reaction Introduction Alkenes undergo electrophilic addition to give alkyl halides. When bromine is used as a
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properties of the hydrocarbons. Several reactions such as Bromination‚ oxidation‚ and the addition of sulfuric acid were done to understand the chemical properties as well as the possible products that may form by each of the classification of hydrocarbons. Preparation of acetylene was also done in this experiment. The properties of the formed acetylene such as the reaction of the acetylene as it undergo Ammoniacal silver nitrate test‚ Bromination and oxidation. The reagents that were used to perform
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REACTIONS OF HYDROCARBONS Vanessa P. Manibpel De La Salle University - Dasmariñas ABSTRACT Five substances namely Hexane‚ Eugenol‚ Unknown hydrocarbon 1‚ Unknown hydrocarbon 2‚ and Acetylene gas was used for the selective reactivity of hydrocarbons to functional group tests; Bayer’s test‚ Bromine test light‚ Bromine test dark‚ and Tollen’s test. In Bayer’s test‚ only Acetylene‚ Eugenol and Unknown hydrocarbon 2 reacted positively and the rest retain the purplish color of KMnO4. On the other hand
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Chemistry : Important Questions For CBSE Class XII ( Haloalkanes and Haloarenes) (Q.1) Choose the incorrect statement about the benzyl chloride: ( 1 mark ) (a) It is less reactive than alkyl halides. (b) It can be oxidized to benzaldehyde by boiling with copper nitrate solution. (c) It is a lachrymatory liquid and answers beilstein’s test. (d) It gives a white precipitate with alcoholic silver nitrate (Q.2) Dry ether The reaction RX + 2Na + RX _______________? R-R + 2NaXis called. ( 1 mark
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considered “greener” compared to the original bromination procedures. In order to create the alkyl halides‚ which are able to undergo chemical transformations more readily than the carbon-carbon double bond‚ onto the trans-stilbene the addition process of halogenation in needed. The typical reagents that are used‚ such as elemental bromine and liquid bromine‚ are dangerous and highly corrosive‚ so this experiment used an alternative method of bromination.
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Superstitions About Rats | Question 1Characterisation of Aniline | Zoe la Grange | 17036283 | | Tutor: Peet van Aardt Group 51 The Characterisation of Aniline “Oh‚ for heaven’s sake‚ Aniline‚ look at you standing there… Say something girl‚ do something‚ start living in the real world!... Just get to class!”. By looking at this extract from the short story Superstitions About Rats by Lesley Emanuel‚ one can already tell that the character‚ Aniline‚ does not go out of her way to stand up for herself
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Marta Gebregziabher Discussion and Conclusion: Addition reaction of Alkenes: Bromination of (E)-Stilbene 1. Addition reaction is a reaction that involved two molecules that combine to make a larger product. Addition reaction has two main types‚ electrophilic addition and nucleophilic addition. An electrophilic reaction is when the pi bond of a molecule is removed to make two covalent bonds that are bonded to two new molecules. A nucleophillic addition is a reaction that removed the pi bond
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acetanilide was produced by acetylation of aniline with acetic anhydride. The crude acetanilide was dissolved in a solvent in a heated water bath. The solution was cooled slowly in an ice bath as crystals form out. As the compound crystallizes from the solution‚ the limiting reagent Aniline and the percent yield of 96% was obtained. Introduction: This experiment involves four functional groups common in organic chemistry. The substrate (reactants) which are Aniline and Acetic anhydride are both liquids
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chemistry experiment involved carrying out the first three parts of the Cyclohexanol Cycle. The cyclohexanol was first converted to cyclohexene and water by simple distillation (product: 6.5395g‚ 79.75% recovery). The cyclohexene then underwent a bromination reaction by addition of concentrated HBr and a 30% H2O2 solution‚ followed by an extraction of the aqueous phase. This produced trans-1‚2-dibromocyclohexane (product: 12.8886g‚ 67.34% recovery). The trans-1‚2-dibromocyclohexane was reduced by zinc
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