Amines

Question 1

Distinction between amine and amide functional group

Answer 1

Question 2

Amines naming

Answer 2

Question 3

Solubility of NH3 in water

Answer 3

NH3 is soluble in water as it can hydrogen bond

Question 4

Answer 4

Question 5

Why does trimethylamine (CH3)3N have a lower bpt (3°C) than propylamine CH3CH2CH2NH2 (48°C) (both have same Mr)?

Answer 5

Question 6

Base strength of amines

Answer 6

Question 7

Structure of ammonia and amines

Answer 7

Question 8

Reaction of acids and amines

Answer 8

Question 9

Base strength of aromatic amines

Answer 9

Question 10

Answer 10

Question 11

Reaction of Amines as a base

Answer 11

Question 12

Answer 12

In phenylamine the lone pair of electrons is involved in the delocalised ring system but in pyridine the lone pair isn’t involved in the delocalised ring system and hence is more electron dense and more basic than phenylamine

Question 13

How do Amines undergo nucleophilic substitution

Answer 13

amines have a lone pair of electrons on the

Question 14

How do amines undergo a second and 3rd substitution- e.g. chloroethane and methyl amine

Answer 14

Question 15

What are Quartenary ammonium ions used for

Answer 15

Cationic surfactants - e.g fabric conditioner

Question 16

Answer 16

Question 17

Answer 17

Question 18

Answer 18

Question 19

Preparation of amines from reduction of nitriles

Answer 19

Question 20

Additional polymerisation

Answer 20

Question 21

Condensation polymerisation - types and what is produced

Answer 21

Question 22

How can nylon be made

Answer 22

Question 23

Summary of addition / condensation polymerisation

Answer 23

Question 24

comparison of biodegradability of addition / condensation polymerisation

Answer 24