Aldehydes + Ketones + Amines

Question 1

Aldehydes and ketones have higher bps than

Answer 1

Alkanes

Question 2

Aldehydes and ketones have lower bps than

Answer 2

Ketones

Question 3

Aldehydes can be oxidized to form

Answer 3

• COOH

Question 4

Aldehydes and ketones can be reduced to form

Answer 4

Alcohols

Question 5

What kind of alcohol is formed from an aldehyde?

Answer 5

1º OH

Question 6

What kind of alcohol is formed from a ketone?

Answer 6

2º OH

Question 7

What are two methods that allow for Aldehydes + Ketones to become Alkanes?

Answer 7

• Wolff-Kishner

- Clemmensen

Question 8

Wolff-Kishner is a method used via

Answer 8

Base

Question 9

Clemmensen is a method used via

Answer 9

Acid

Question 10

The protons alpha to the carbonyl are

Answer 10

Relatively Acidic

Question 11

Quaternary amines generally exist as

Answer 11

Salts

Question 12

“N” is used to label the substituents attached to the Nitrogen in

Answer 12

2º or 3º amines

Question 13

N3 are

Answer 13

Azides

Question 14

C=NR are

Answer 14

Imines

Question 15

C=CH-NR2 are

Answer 15

Amides

Question 16

Amine boiling point is found between

Answer 16

Alkanes and alcohols

Question 17

Ammonia, 1º and 2º can form

Answer 17

Hydrogen bonds

Question 18

3º amines have

Answer 18

Low boiling points

Question 19

Amines act as

Answer 19

BL Bases and Lewis Bases

Question 20

What is used if aldehyde is attached to a ring?

Answer 20

Suffix –carbaldehyde

Question 21

In the presence of water, aldehydes and ketones react to form

Answer 21

Geminal diols

Question 22

In the presence of alcohol, aldehydes and ketones react to form

Answer 22

• Hemiacetals

- Hemiketals

Question 23

Imines and related compounds can undergo tautomerization to form

Answer 23

Enamines

Question 24

Aldehydes and ketones can also undergo reduction to form alcohols via

Answer 24

• LiAlH4

- NaBH4

Question 25

The carbonyl carbon is

Answer 25

Electrophilic

Question 26

The carbonyl carbon is

Answer 26

Electron-withdrawing

Question 27

KMnO4 allows for aldehydes to become

Answer 27

COOH

Question 28

LiAlH reduces aldehydes to

Answer 28

Primary alcohols

Question 29

LiAlH reduces ketones to

Answer 29

Secondary alcohols

Question 30

Why is it difficult to isolate hemiacetals and hemiketals?

Answer 30

• Unstable molecules

- hydroxyl group is rapidly protonated, leaving behind carbocation