Synthesis: F324 Flash cards to test yourself on the aliphatic and aromatic synthesis reactions 4.0 / 5 based on 4 ratings ? ChemistryReactionsA2/A-levelOCR Created by: Jack ArmstrongCreated on: 12-06-13 22:13 What molecule is given off on the formation of an ester linkage in a condensation polymerisation reaction? H2O 1 of 17 What is the product of adding NaBH to a ketone and heating? Reduced to a Secondary Alcohol 2 of 17 Name the reagents needed to convert a Halogenoalkane to an alcohol NaOH/H20, Reflux 3 of 17 How is benzene turned into bromobenzene? Halogen carrier (FeBr3). React bromine with Br2 4 of 17 How is a secondary alcohol turned into a ketone? Name the type of reaction Reflux with Acidified Potassium Dichromate, Oxidation 5 of 17 What are the byproducts of an addition polymerisation reaction? None, only a poly(alkene) is produced 6 of 17 How is a primary alcohol turned into an aldehyde? Name the type of reaction Heat with Acidified Potassium Dichromate, Distill product. Oxidation 7 of 17 What are the products of reacting phenol with 3Br2(aq)? 2,4,6 tribromophenol +3HBr 8 of 17 How do you convert an aldehyde to a primary alcohol? Add NaBH4 and heat 9 of 17 What is the byproduct of halogenation of benzene? HX, where X = halogen 10 of 17 What reagents are required to form an amine from a halogenoalkane? Heat with a concentrated solution of HN3 in ethanol 11 of 17 Which aromatic reaction takes place under 10°C? What other reagents are needed? Phenylamine -> Benzenediazonium Chloride. NaNO2/HCl(aq) 12 of 17 How is an ester produced? Reflux carboxylic acid with alcohol in the presence of an acid catalyst (conc H2SO4) 13 of 17 Outline the reagents and conditions needed to produce nitrobenzene from benzene Heat benzene with conc HNO3, conc H2SO4 to 50°C 14 of 17 What are the methods of producing sodium phenoxide? (C6H5O-Na+) What are the other products? Phenol + NaOH: H2O, Phenol + Na: 1/2H2 15 of 17 How is an azo dye formed from benzenediazonium chloride? React with ice cold phenoal and NaOH 16 of 17 Outline the reaction of refluxing nitrobenzene with Tin and concentrated HCl Phenylamine is produced 17 of 17
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