3.10 Reactions of Benzene

Question 1

Phenylethanone is formed from which two compounds?

Answer 1

C6H6 + CH3COCl

Question 2

What is the role of sulfuric acid in the nitration of benzene?

Answer 2

Catalyst

Question 3

Nitrobenzene is formed from which two compounds?

Answer 3

C6H6 + HNO3

Question 4

What is the catalyst in the nitration of benzene?

Answer 4

Sulfuric Acid (H2SO4)

Question 5

Name the mechanism for the acylation of benzene

Answer 5

Electrophilic substitution

Question 6

What is the reaction for the production of the reactive intermediate in the formation of phenylethanone?

Answer 6

ACl3 + CH3COCl ->AlCl4- + CH3CO+

Question 7

Name the organic product formed when ethanoyl chloride reacts with benzene

Answer 7

Phenylethanone

Question 8

Complete the equation
C6H6 + HCOCl ->

Answer 8

C6H5CHO + HCl

Question 9

Name the organic product formed when propanoyl chloride reacts with benzene.

Answer 9

Phenylpropanone

Question 10

Phenylmethanal is formed from which two compounds?

Answer 10

C6H6 + HCOCl

Question 11

What is the structural formula for ethanoyl chloride?

Answer 11

CH3COCl

Question 12

Why are electrophiles attracted to benzene?

Answer 12

Benzene has a ring of delocalised electrons.

Question 13

What is the reagent for the acylation of benzene?

Answer 13

Acyl chloride

Question 14

What type of molecule is needed for the acylation of benzene?

Answer 14

Acyl Chloride

Question 15

Complete the reaction
HNO3 + H2SO4 ->

Answer 15

NO2+ + HSO4- + H2O

Question 16

What is the catalyst needed for the acylation of benzene?

Answer 16

AlCl3

Question 17

What is the structural formula for propanoyl chloride?

Answer 17

CH3CH2COCl

Question 18

State the formula of a halogen carrier.

Answer 18

AlCl3

Question 19

Name the mechanism for the nitration of benzene.

Answer 19

Electrophilic substitution

Question 20

What is the molecular formula for methanoyl chloride?

Answer 20

HCOCl

Question 21

What is the reaction for the production of the reactive intermediate in the formation of nitrobenzene?

Answer 21

HNO3 + H2SO4 -> NO2+ + HSO4- + H2O

Question 22

What is the product of the nitration of benzene?

Answer 22

Nitrobenzene

Question 23

Which species acts as the electrophile in the nitration of benzene?

Answer 23

NO2+ (nitronium ion)

Question 24

Which two species are needed to form HCO+?

Answer 24

ACl3 + HCOCl

Question 25

Why are electrophiles attracted to alkenes?

Answer 25

Alkenes have electron rich C=C bonds

Question 26

Name the organic product formed when methanol chloride reacts with benzene.

Answer 26

Phenylmethanal

Question 27

What is the electrophile that generates C6H5COCH3?

Answer 27

CH3CO+

Question 28

What is the overall reaction for the production of phenylethanone?

Answer 28

C6H6 + CH3COCl -> C6H5COCH3 + HCl

Question 29

What is the overall equation for the acylation of benzene with ethanoyl chloride

Answer 29

C6H6 + CH3COCl -> C6H5COCH3 + HCl

Question 30

Complete the equation: C6H6 + HNO3 ->

Answer 30

C6H5NO2 + H2O

Question 31

# [](http://) By what mechanism do alkenes react?

Answer 31

Electrophilic addition

Question 32

Which two species are needed to form CH3CO+?

Answer 32

ACl3 + CH3COCl

Question 33

What is the reaction for the production of the reactive intermediate in the formation of phenylmethanal?

Answer 33

ACl3 + HCOCl -> AlCl4- + HCO+

Question 34

What is the molecular formula for benzene?

Answer 34

C6H6

Question 35

What is the reagent for the nitration of benzene?

Answer 35

Nitric Acid (HNO3)

Question 36

Which species acts as the reactive intermediate in the nitration of benzene?

Answer 36

NO2+ (nitronium ion)

Question 37

What is the electrophile that generates C6H5COCH2CH3?

Answer 37

CH3CH2CO+

Question 38

Which two species are needed to form NO2+?

Answer 38

HNO3 + H2SO4

Question 39

What is the overall reaction for the production of nitrobenzene?

Answer 39

C6H6 + HNO3 -> C6H5NO2 + H2O

Question 40

By what mechanism do aromatics (benzene) react?

Answer 40

Electrophilic substitution

Question 41

Complete the equation C6H6 + CH3COCl ->

Answer 41

C6H5COCH3 + HCl

Question 42

What is the role of AlCl3 in the acylation of benzene?

Answer 42

Catalyst