Reaction Mechanisms 4.0 / 5 based on 10 ratings ? ChemistryReactionsA2/A-levelAQA Created by: elsieCreated on: 18-12-12 11:02 Alkane -> Halogenoalkane. What type of reaction? What else is needed? Write out the mechanism Free Radical Substitution + UV light 1 of 22 Halogenoalkane -> amine What type of reaction? What else is needed? Write out the mechanism Nucleophillic substitution + excess ammonia + heat 2 of 22 Halogenoalkane -> nitrile What type of reaction? What else is needed? Write out the reaction mechanism Nucleophillic substitution + KCN + ethanol + reflux 3 of 22 Primary alcohol -> halogenoalkane What type of reaction? What else is needed? Nucleophillic substitution + NaBr + H2SO4 + reflux 4 of 22 Primary alcohol -> alkene What type of reaction? What else is needed? Elimination + conc H2SO4 + reflux + water 5 of 22 Alkene -> Alkane What type of reaction? What else is needed? Addition + Ni + H2 150 degrees 6 of 22 Alkene -> halogenoalkane What type of reaction? What else is needed? Addition + HBr + room temp 7 of 22 Primary alcohol -> aldehyde What type of reaction? What else is needed? Oxidation conc K2Cr2O7 + H2so4 + reflux 8 of 22 Aldehyde -> primary alcohol What type of reaction? What else is needed? Write out the reaction mechanism Reduction NaBH4 + methanol 9 of 22 aldehyde -> carboxyillic acid What type of reaction? What else is needed? Oxidation conc K2Cr2O7 + H2so4 + reflux 10 of 22 Carboxillic acid -> ester What type of reaction? What else is needed? Esterification, Alcohol + conc H2SO4 catalyst + heat 11 of 22 Ester -> carboxillic acid What type of reaction? What else is needed? Hydrolysis , dilute H2SO4 + H2O + reflux 12 of 22 Carboxillic acid -> acyl chloride What type of reaction? What else is needed? Nuecleophillic substitution PCl5 also makes HCl 13 of 22 acyl chloride -> ester What type of reaction? What else is needed? Acylation + alcohol + room temp 14 of 22 acyl chloride -> primary amide What type of reaction? What else is needed? Acylation +NH3 + room temp 15 of 22 acyl chloride -> secondary amide What type of reaction? What else is needed? Write out the reaction mechanism Nucleophillic addition elimination + Amine + room temp 16 of 22 Nitrile -> carboxillic acid What type of reaction? What else is needed? Acid Hydrolysis, + refluc + dilute HCl 17 of 22 benzene -> nitrobenzene What type of reaction? What else is needed? Write out the reaction mechanism Electrophillic substitution + conc H2SO4 + conc HNO3 below 55 degrees 18 of 22 Nitrobenzene -> phenylamine What type of reaction? What else is needed? Reduction + Sn + conc HCl + reflux 19 of 22 Benzene -> bromobenzene What type of reaction? What else is needed? Electrophillic substitution + Br2 (FeBr3) + room temp 20 of 22 benzene -> chlorobenzene What type of reaction? What else is needed? Electrophillic substitution + AlCl3 + room temp 21 of 22 benzene -> acylbenzene What type of reaction? What else is needed? Write out the reaction mechanism Electrophillic Substitution + RCOCl + AlCl3 22 of 22
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