Aldehyde and Ketones

Question 1

aldehydes and ketones are often called __ or __

Answer 1

• formyl
• methanoyl

Question 2

aldehydes derive their name form the __ _ __

Answer 2

dehydration of alcohols

Question 3

aldehydes contain the carbonyl group bonded to at least __ __ __

Answer 3

one hydrogen atom

Question 4

ketones contain carbonyl group bonded to __ __ __

Answer 4

two carbon atoms

Question 5

IUPAC system of nomenclature assigns a characteristic suffix __ to aldehydes

Answer 5

-al

Question 6

where should you start counting in aldehyde

Answer 6

starting at aldehyde group

Question 7

when naming the parent chain of an aldehyde attached to a ring, the suffix __ is added to the end of the ring name

Answer 7

-carbaldehyde

Question 8

6 carbon ring cyclohexane with aldehyde

Answer 8

cyclohexanecarbaldehyde

Question 9

IUPAC system of nomenclature assigns a characteristic suffix __ to ketones

Answer 9

-one

Question 10

where should you start counting in ketones

Answer 10

closest to the ketone group

Question 11

aldehydes have a __ __ than ketones

Answer 11

higher priority

Question 12

for dialdehydes the location numbers for both carbonyls are __

Answer 12

omitted

Question 13

for diketones both carbonyl require a __ __

Answer 13

location number

Question 14

in naming, the functional group with carbonyl is given the __ priority

Answer 14

Highest

Question 15

when an aldehyde or ketone is present in a molecule which also contains alkene functional group, the carbonyl is given nomenclature __ by the IUPAC system

Answer 15

priority

Question 16

fragment with carbonyl group

Answer 16

alkanoyl (acyl, older)

Question 17

group consisting of a carbonyl group bonded to a hydrogen atom

Answer 17

formyl

Question 18

group consisting of a carbonyl group bonded to CH3 fragment

Answer 18

acetyl

Question 19

monosaccharides containing aldehdyes are called __ and __ for ketones

Answer 19

• aldose
• ketose

Question 20

breakdown of fats that produce ketones

Answer 20

ketosis

Question 21

source of ketones from alkyne

Answer 21

hydration of alkynes

Question 22

other aldehydes and ketones continuing up to eleven carbon atoms are __ __ while stil higher members are __

Answer 22

• colorless liquid
• solids

Question 23

lower aldehydes have __ odors

Answer 23

unpleasant

Question 24

other aldehydes and ketones have a __ __

Answer 24

pleasant smell

Question 25

solubility of aldehydes and ketones up to 4 carbon atoms

Answer 25

soluble in water

Question 26

solubility of aldehydes and ketones __ by increasing the length of alkyl chain

Answer 26

decreases

Question 27

aldehydes and ketones have __ boiling point than non-polar compounds but have __ boiilng point than corresponding alcohols or carboxylic acids

Answer 27

- higher (than hydrocarbons) - lower

Question 28

due to the presence of carbon-oxygen double bonds in aldehydes and ketones, they are __ in nature

Answer 28

polar

Question 29

Aldehydes and ketones can be prepared by a number of methods

Answer 29

1. Hydration of alkynes 2. Ozonolysis of certain alkenes 3. Oxidation of Alcohols

Question 30

All alkynes react with water in the presence of HgSO4 and H2SO4 catalyst to yield an __

Answer 30

enol

Question 31

reaction method in which addition of ozone molecules or O3 to an alkene compound leads to the formation of ozonide

Answer 31

ozonolysis of alkenes

Question 32

addition of ozone molecules or O3 to an alkene compound leads to the formation of __

Answer 32

ozonide