Arenes and Phenols 0.0 / 5 ? ChemistryArenesA2/A-levelOCR Created by: Ellie236Created on: 19-04-16 16:06 mechanism of reactions of arenes electrophilic substitution 1 of 16 the arene reaction that has the following conditions: 50-60 degrees C, concentrated H2SO4 catalyst and concentrated HN03 nitration 2 of 16 the arene reaction that takes place at room temperature and needs a halogen carrier catalyst halogenation 3 of 16 electron pair acceptor electrophile 4 of 16 arenes don't undergo typical ___ reactions alkene 5 of 16 arenes have a lower electron density because ___ spreads out pi electrons delocalisation 6 of 16 all carbon - carbon bonds in benzene are the ... same length 7 of 16 phenols are ___ at room temperature solid 8 of 16 phenols are ___ in water slightly soluble 9 of 16 phenols are weakly ___ acidic 10 of 16 How many halogens are substituted with phenol in halogenation? three 11 of 16 Phenol undergoes electrophilic substitution much more easily than benzene because the ring is ___ by the -OH group. activated 12 of 16 Phenol reacts with bases like an ___ . acid 13 of 16 Phenol reacts with sodium metal like an ___ . alcohol 14 of 16 What has occured when bromine is decolourised and a white precipitate is formed? halogenation of a phenol 15 of 16 What reaction has taken place when bromine is decolourised and steamy fumes of HBr are produced? halogenation of an arene 16 of 16
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