aromatic and aliphatic chem

Question 1

what is a danger of benzene

Answer 1

a carcinogen

Question 2

what is seen when benzene is combusted and why

Answer 2

-smoky flames
-from unburnt carbons

Question 3

what ion is used to form nitrobenzene and what is the mechanism with its reactants

Answer 3

nitronium ion (nitryl cation)
-formed with conc. nitric acid and conc. sulfuric acid
-reacts with benzene in electrophilic substitution

Question 4

what are the uses of nitrated arenes

Answer 4

-explosives, TNT
-aromatic amines to make industrial dyes

Question 5

what type of reaction is acylation or alkylation and what catalyst does it use

Answer 5

• a halogen carrier catalyst, i.e aluminium trichloride
  -Friedel-Crafts reaction

Question 6

what ion is used for Friedel-crafts acylation

Answer 6

acylium ion