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Week 1
Perception Test
9
Chemistry
Undergraduate 1
02/23/2013

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Cards

Term
an aromatic must have
Definition
(4n +2) pi electrons
Term
in benzene how are the carbons hybridise?
Definition
sp2
Term
which reaction is complicated by the outcome of hydrogen shift?
Definition
Friedel-Craft Alkylation
Term
which reaction conditions are needed for the sulphonation of benzene?
Definition
concentrated H2S04 containing SO3 under reflux for one hour
Term
why is benzene more stable than would be expected?
Definition
the pi bonding allows sharing of the electrons amongst all carbons resulting in a lower energy than the 3 double bonds
Term
what is the chemical formula for aniline?
Definition
C6H5NH2
Term
what is the chemical formula for phenol?
Definition
C6H5OH
Term
when benzene binds an electrophile the positive charge on the carbocation intermediate is resonance delocalised over how many carbon atoms?
Definition
3
Term
what is the final step in EAS?
Definition
loss of a proton
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