Chapter 15

Question 0

Anilines (1)

Answer 0

Benzene ring attached to a N

Question 1

Amines

Answer 1

> Compound that contains one or more carbon chains bonded to nitrogen
when it gains a charge if loses smell & ability to H-bond increases

Question 2

Properties of amines

Answer 2

Boiling point is lower than alcohols & alkanes
> can hydrogen bond to water molecules
>mono amines : unpleasant smell
>din amines rotten smell

Question 3

Aromatic heterocyclic amine

Answer 3

Pka 6

Question 4

Aniline

Answer 4

Pka 9

Question 5

Non-aromatic amine

Answer 5

Pka 12

Question 6

Amine salts

Answer 6

Ionic compound composed of ammonium & an anion
> odorless, white,crystalline solid
> water soluble

Question 7

Amine salt conversion to free amine

Answer 7

> change form with changes in pH
•low pH exist as ammonium
•high pH exist as amine

Question 8

Functional groups that can hydrogen bond to them self….

Answer 8

Alcohol & amine

Question 9

Charges

Answer 9

Carboxylic acid, negative charge if pH>pka

Amines +1 charge if pka>pH

Question 10

Alkaloid

Answer 10

Nitrogen containing compound isolated from a plant; usually poisonous,basic & bitter