Organic Chem26 Exam 2

Front 1

Alcohols are ___ polar substances

Back 1

very

Front 2

Alcohols have a ____ degree of H-bonding

Back 2

High

Front 3

Alcohols have a very ____ bp and mp

Back 3

high

Front 4

Are alcohols soluble in water?

Back 4

typically yes

Front 5

What is the structure of a Hydroxyl group

Back 5

R-OH

Front 6

Zaitsev's Rule

Back 6

in the dehydration of an alcohol the more highly substituted alkene will be the major product

Front 7

oxidation

Back 7

either the gain of an oxygen or loss of a hydrogen in the product of the reaction

Front 8

Reduction

Back 8

either the gain of hydrogen or the loss of an oxygen in the product of the reaction

Front 9

Phenol

Back 9

compounds in which the hydroxyl group is attached to a benzene ring

Front 10

Phenols are ___ but not very

Back 10

acidic

Front 11

Phenols react with ____ to give water and ___

Back 11

NaOH ; salt

Front 12

Phenols are ___ compounds due to the hydroxyl group

Back 12

polar

Front 13

___ Phenols are somewhat water soluble

Back 13

simpler

Front 14

Phenols are components of ____ and _____

Back 14

Flavorings & fragrances

Front 15

Phenols have the formula:

Back 15

Ar-OH

Front 16

Ethers have the formula:

Back 16

R-O-R

Front 17

The R in the formula of an ether can be ____ or _____

Back 17

aliphatic or aromatic

Front 18

Ethers are slightly ___ due to the C=O bond

Back 18

polar

Front 19

Ethers do not ____ to one another as there are no OH groups

Back 19

Hydrogen bond

Front 20

Thiols have the formula:

Back 20

R-SH

Front 21

Thiols are typically very ___

Back 21

stinky

Front 22

Thiols are known as ___ ___ of alcohols

Back 22

sulfur analogs

Front 23

Aldehyde formula is:

Back 23

H
C=O
R

Front 24

Keytone formula is:

Back 24

R
C=O
R

Front 25

Carbonyl group formula is:

Back 25

~
C=O
~

Front 26

dipole-dipole interactions are

Back 26

denser electrons towards the oxygen causing it to be polar with one side slightly negative and the other side slightly positive

Front 27

Aldehyde displays __________

Back 27

dipole-dipole interactions

Front 28

Aldehydes do not exibit ____

Back 28

Hydrogen bonding

Front 29

Aldehydes tendency to dissolve in water is limited to ____ ____

Back 29

small molecules only

Front 30

Aldehydes tend to have ___ melting/boiling points than comparable Hydrocarbons and ethers

Back 30

higher

Front 31

Tollens Test for:

Back 31

Aldehydes; if a metallic silver mirror is formed on the inside of the beaker then the unknown carbonyl compound is an aldehyde

Front 32

Benedicts Test for:

Back 32

If the precipitate formed from the unknown carbonyl compound is bright red then the unknown carbonyl compound is an aldehyde

Front 33

Aldol Condensation

Back 33

condensation reaction of an aldehyde or a keytone w/ itself to give a Beta-hydroxy carbonyl compound(produces an alcohol)

Front 34

carboxylic acids structure:

Back 34

R
C=O
O
H

Front 35

____ has the highest h-bonding ability

Back 35

Carboxylic acids

Front 36

carboxylic acids have higher ____ than other functionalities

Back 36

bp/mp

Front 37

Carboxylic Acid have ____ polarity

Back 37

high

Front 38

smaller molecular weight carboxylic acids have ____ water solubility

Back 38

enhanced

Front 39

esterification

Back 39

carboxylic acid + alcohol --> Ester (addition of H+ and Heat)

Front 40

___ has lower bp/mp than corresponding carboxylic acids

Back 40

Esters

Front 41

Esters have similar bp/mp to similar ____ & _____

Back 41

Aldehydes & Keytones

Front 42

Ester has ___ h-bonding ability

Back 42

no

Front 43

___ usually have pleasant aromas

Back 43

Esters

Front 44

Esters are used for _____

Back 44

artificial flavors

Front 45

Structure of a phosphoester:

Back 45

----R
----O
H-O-P=O
----O
H

Front 46

Structure of a thioester:

Back 46

R
C=O
S
R

Front 47

Structure of an Amine:

Back 47

____R1
:N- R2
____R3

Front 48

Amine have ____ h-bonding ability

Back 48

limited; tertiary amines cannot hydrogen bond

Front 49

Amines have _____ water solubility

Back 49

limited

Front 50

____ generally have weakly basic character

Back 50

Amines

Front 51

Hydrogen bonding is:

Back 51

O & N and the Hydrogens connected to them

Front 52

Amines have boiling/melting points between ___ & ___

Back 52

Alkanes and alcohols

Front 53

Tertiary amines boil ___ than primary or secondary amines of similar molecular weight

Back 53

lower

Front 54

Nitrogen in an Amide is ___ Basic

Back 54

not

Front 55

Amides have ___ h-bonding

Back 55

strong

Front 56

Amides have ___ solubility in water

Back 56

limited