Alcohols, Phenols, and Ethers Flashcards

1
Q

Alcohol General structure

A

R-O-H

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Alcohols have hydroxyl (-OH) bonded to an ______ hybridized C in aliphatic group

A

sp3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Oxygen is sp3 hybridized (R-O-H)

A

2 bonds: to H and C in sigma bond
2 - electron pairs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Alcohols have hydroxyl (-OH) bonded to an sp2 hybridized C in aromatic groups

A

Phenols

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Oxygen is sp3 hybridized in phenols since they posses ____

A

2 bonds to H and C in sigma bond
2 lone pairs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

hydrogen bonds in alcohol have _____

A

single bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

experimentally the oxygen in phenols behaves somewhat like a _______ hybridized oxygen

A

sp2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

When is pi electron delocalization is only possible

A

if there is a p orbital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In phenols, oxygen has a ______

A

occupied p orbital with lone pair so sp2 orbital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A fuel additive, an individual solvent, and a beverage

A

Ethanol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A general disinfectant, commonly called carboxylic acid

A

Phenol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Phenols are general disinfectant, commonly called _____

A

carbolic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Properties of alcohol and phenyls

A

can be thought of as organic derivatives of water in which one hydrogen is replaced by organic components

Have nearly the same geometry as water

Have higher boiling points than alkanes

Both weakly basic and weakly acidic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Weakly basic and weakly acidic like water indicating that it is

A

amphoteric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

intermolecular attraction of polar molecules

A

hydrogen bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Properties of alcohols and phenols: as weak Lewis Bases

A

Reversibly protonated by string acids to yield oxonium ions ROH2

17
Q

Lewis bases

A

electron pair donors

18
Q

can measure acidity based on

A

number of hydronium (H3O+) ions

19
Q

water is _____ in alcohols acting as weak acids

A

protonated

20
Q

As weak Lewis bases

A

reversibly protonated by strong acids to yield oxonium ions, ROH2+

They protonate

20
Q

As weak acids

A

protonate water in dilute aqueous solutions to yield H3O+ and alkoxide ion (RO) or a phenoxide ion (ArO)

21
Q

Alcohol + water

A

An alkoxide ion

22
Q

Phenol + Water

A

Phenoxide ion