Organic Chemistry 3

Question 1

2C6H6 + 15O2 ->

Answer 1

12CO2 + 6H20

Question 2

What does benzene react with bromine to give?

Answer 2

Bromobenzene + HBr + FeBr3

Question 3

What is needed for the reaction between bromine and benzene ?

Answer 3

• Reflux
• FeBr3 halogen carrier

Question 4

What does benzene react with concentrated nitric acid to give?

Answer 4

Nitrobenzene and H+

Question 5

What is needed for the reaction between benzene and nitric acid?

Answer 5

• Sulfuric acid catalyst, which helps to make the NO2+
• Warm

Question 6

Is a halogen carrier needed for the reaction between benzene and nitric acid?

Answer 6

No

Question 7

What’s produced when benzene is refluxed with a halogen carrier and a halogenoalkane?

Answer 7

Methly benzene + HCl + AlCl3

Question 8

What is needed for the reaction between benzene and a halogenoalkane?

Answer 8

• AlCl3
• Reflux

Question 9

Benzene + acyl chloride->

Question 10

Benzene + Acyl chloride (dry ether) ->

Answer 10

Phenylketone

Question 11

What happens when you hydrogenated benzene in the presence of a nickel catalyst?

Answer 11

You get a cycloalkane

Question 12

What is the amine functional group?

Answer 12

NH2

Question 13

Halogenoalkane + Ethanolic ammonia ->

Answer 13

Amine + ammonium bromide

Question 14

CH3CH2Br + 2 NH3 ->

Answer 14

CH3CH2NH2 + NH4Br

Question 15

What happens when you reduce a nitrile?

Answer 15

Amine

Question 16

What happens when you reduce a nitrile in the presence of 4[H], LiAlH4 and dilute acid?

Answer 16

You get an amine

Question 17

What happens when you reduce a nitrile in the presence of 2H2, nickel catalyst and high temp and pressure ?

Answer 17

Amine

Question 18

What happens when you reduce nitrobenzene in the presence of 6[H] , tin, conc HCl, reflux and NaOH?

Answer 18

You get phenyl amine and 2 waters

Question 19

Why are amines weak bases ?

Answer 19

Because they accept protons

Question 20

What is the strength of the amine base dependent on?

Answer 20

• How available the nitrogens lone pair of electrons is
• the more available the lone pair, the more likely it is to accept a proton, and so it will be a stronger base ?

Question 21

When will the lone pair on an amine be more available ?

Answer 21

When the electron density is higher

Question 22

Write the strongest to weakest amine base

Answer 22

Primary aliphatic amine, ammonia, aromatic amine

Question 23

As well as a base, what else can an amine act as?

Answer 23

A nucleophile

Question 24

Amines + HCl->

Answer 24

Ammonium salt

Question 25

CH3CH2CH2CH2NH2 + HCl->

Answer 25

CH3CH2CH2CH2NH3 + Cl-

Question 26

Amines + water ->

Answer 26

Alkaline solutions

Question 27

CH3CH2CH2CH2NH2 + H20 ->

Answer 27

CH3CH2CH2CH2NH3+ + OH-

Question 28

Can amines form a complex ion with copper (II) ions?

Answer 28

Yes

Question 29

What do amines react with acid chlorides to give?

Answer 29

N- substituted amide

Question 30

CH3COCl + 2C4H9NH2 -> CH3CONHC4H9 + [C4H9NH3]+ CL-

Question 31

What is the amide functional group?

Answer 31

CONH2

Question 32

Ethanoyl chloride + Ammonia->

Answer 32

Ethanamide + HCl

Question 33

Ethanoyl chloride + primary amine->n-substituted amide

Question 34

CH3COCl + CH3NH2 ->

Answer 34

CH3CONHCH3 + HCl