Aldehydes & Ketones

Question 1

Are aldehydes and ketones polar or nonpolar?

Answer 1

Polar

Question 2

Aldehydes and ketones have _____ boiling points than similar alcohols.

Answer 2

Lower

Question 3

Can aldehydes and ketones have intermolecular hydrogen bonding?

Answer 3

No

Question 4

Aldehydes and ketones are _______ in organic solvents.

Answer 4

Soluble

Question 5

Aldehydes and ketones with 6 C’s or less are _______ in water.

Answer 5

Soluble

Question 6

Aldehydes and ketones with 7 C’s or more are _________ in water.

Answer 6

Insoluble

Question 7

What is the simplest aldehyde?

Answer 7

Formaldehyde (Methanal / Formalin)

Question 8

It is the starting material for synthesis of resins and plastics.

Answer 8

Formalin

Question 9

It is sold as formalin, a 37% aqueous solution used to preserve biological specimens.

Answer 9

Formaldehyde

Question 10

What is the simplest ketone?

Answer 10

Acetone (Propanone / Dimethyl Ketone)

Question 11

It is an industrial solvent and a starting material for organic polymers.

Answer 11

Acetone

Question 12

It is produced in the breakdown of fatty acids in the body.

Answer 12

Acetone

Question 13

The major component of cinnamon bark.

Answer 13

Cinnamaldehyde

Question 14

The primary component of the extract of the vanilla bean.

Answer 14

Vanillin

Question 15

The characteristic odor of lemon grass, used in perfumery and in synthesis of vitamin A.

Answer 15

Citral (3,7-dimethyl-2,6-octadienal)

Question 16

The odor of citronella candles, used to repel mosquitoes.

Answer 16

Citronellal (3,7-dimethyl -6-octenal)

Question 17

Aldehydes can be oxidized to?

Answer 17

Carboxylic Acids

Question 18

Aldehydes and ketones undergo ________ reactions.

Answer 18

Addition reactions

Question 19

Can ketones be oxidized?

Answer 19

No

Question 20

Aldehydes are reduced to _______ alcohols.

Answer 20

Primary Alcohols

Question 21

Ketones are reduced to _________ alcohols.

Answer 21

Secondary Alcohols

Question 22

Is formaldehyde a solid, liquid, or gas?

Answer 22

Gas

Question 23

It is used in embalming, tanning, preparing glues, and polymeric products, as germicides, insecticides, and fungicides for plants. It is also used in drug testing and photography.

Answer 23

Formaldehyde

Question 24

It is largely used for the production of acetic acid and pyridine derivatives.

Answer 24

Acetaldehyde

Question 25

Is used in perfumes, cosmetic products, and dyes. It is added to provide almond flavor to food products and also used as a bee repellent.

Answer 25

Benzaldehyde

Question 26

It is an excellent solvent for a number of plastics and synthetic fibers.

Answer 26

Acetone

Question 27

In medicine, it is used in chemical peeling and for acne treatments.

Answer 27

Acetone

Question 28

Also known as butanone, it is a common solvent.

Answer 28

Methyl Ethyl Ketone (MEK)

Question 29

It is used in the production of textiles, varnishes, plastics, paint remover, paraffin wax, etc. It is also used as a welding agent for plastics due to its dissolving properties.

Answer 29

Methyl Ethyl Ketone (MEK)

Question 30

It is another important ketone which is primarily used in the production of nylon.

Answer 30

Cyclohexanone