MOD 9

Question 1

chemical formula of BENZENE

Answer 1

C6H6

Question 2

Chemical reactivity of BENZENE

Answer 2

electrophilic substitution

Question 3

the EXTRA STABILITY associated with aromatic compounds.

Answer 3

AROMATICITY

Question 4

contain elements other than carbon in a ring, such as N,S,O,P.

Answer 4

Heterocyclic compounds

Question 5

can have elements other than carbon in the ring.

Answer 5

Aromatic compounds

Question 6

Cyclic compounds that contain only carbon are called

Answer 6

carbocycles

Question 7

A SIX-membered heterocycle with a NITROGEN atom in its ring

Answer 7

PYRIDINE

Question 8

Pyridine is a ____________ compared to normal
amines but protonation does not affect aromaticity

Answer 8

RELATIVELY WEAK BASE

Question 9

A FIVE-membered heterocycle with ONE NITROGEN

Answer 9

PYRROLE

Question 10

Since lone pair electrons are in the
aromatic ring, protonation destroys
aromaticity, making pyrrole a ____________

Answer 10

VERY WEAK BASE

Question 11

Cl2 and Br2 are weak electrophiles on their own so need to be “activated” by using a

Answer 11

LEWIS ACID CATALYST

Question 12

In the case of nitration, _________ is used to generate a more reactivity electrophile, a nitronium ion.

Answer 12

SULFURIC ACID

Question 13

a more reactivity electrophile

Answer 13

NITRONIUM ION

Question 14

______ will generate a benzenesulfonic acid.

Answer 14

SULFONATION

Question 15

the strong electrophile that Sulfonation uses

Answer 15

SULFUR TRIOXIDE

Question 16

_________ will add an alkane group to benzene

Answer 16

ALKYLATION

Question 17

In alkylation, the electrophile used is

Answer 17

CARBOCATION

Question 18

This process uses an ALKYL HALIDE (Cl or Br usually) and a LEWIS ACID CATALYST similar to a halogenation reaction.

Answer 18

Friedel-Crafts Alkylation

Question 19

Friedel-Crafts Alkylation product

Answer 19

alkylbenzene

Question 20

Alkylation from Alkenes

Answer 20

PHENYL KETONE

Question 21

Alkylation can also be achieved by using an ALKENE and an ACID (sulfuric as the conjugate base is a poor nucleophile)

Answer 21

ALKYLATION FROM ALKENES

Question 22

Alkylation from Alkenes will generate _________

Answer 22

MARKOVNIKOV CARBOCATION