Arenes and Phenols

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  • Created by: Ellie236
  • Created on: 19-04-16 16:06
mechanism of reactions of arenes
electrophilic substitution
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the arene reaction that has the following conditions: 50-60 degrees C, concentrated H2SO4 catalyst and concentrated HN03
nitration
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the arene reaction that takes place at room temperature and needs a halogen carrier catalyst
halogenation
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electron pair acceptor
electrophile
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arenes don't undergo typical ___ reactions
alkene
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arenes have a lower electron density because ___ spreads out pi electrons
delocalisation
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all carbon - carbon bonds in benzene are the ...
same length
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phenols are ___ at room temperature
solid
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phenols are ___ in water
slightly soluble
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phenols are weakly ___
acidic
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How many halogens are substituted with phenol in halogenation?
three
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Phenol undergoes electrophilic substitution much more easily than benzene because the ring is ___ by the -OH group.
activated
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Phenol reacts with bases like an ___ .
acid
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Phenol reacts with sodium metal like an ___ .
alcohol
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What has occured when bromine is decolourised and a white precipitate is formed?
halogenation of a phenol
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What reaction has taken place when bromine is decolourised and steamy fumes of HBr are produced?
halogenation of an arene
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Other cards in this set

Card 2

Front

the arene reaction that has the following conditions: 50-60 degrees C, concentrated H2SO4 catalyst and concentrated HN03

Back

nitration

Card 3

Front

the arene reaction that takes place at room temperature and needs a halogen carrier catalyst

Back

Preview of the front of card 3

Card 4

Front

electron pair acceptor

Back

Preview of the front of card 4

Card 5

Front

arenes don't undergo typical ___ reactions

Back

Preview of the front of card 5
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