14. Carboxylic Acids Flashcards

1
Q

what group do carboxylic acids have

A

-COOH

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

what is formic acid

A

carboxylic acid with one C

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

what is acetic acid

A

carboxylic acid with 2 C

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

what is propionic acid

A

carboxylic acid with 3 C

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

what is butryic acid

A

carboxylic acid with 4 C

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

what is benzoic acid

A

carboxylic acid with a benzene ring

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

what geometry does the C of the COOH group exhibit

A

trigonal planar geometry

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

carboxylic acids can form which bonds with other carboxylic acid

A

hydrogen bonds

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

why do carboxylic acids have high boiling points

A

they can form Hydrogen bonds between each other

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

what is the acidity of COOH

A

extremely weak acids

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

compared to alcohols are carboxylic acids acidic

A

yes

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

why are carboxylic acids more acidic than alcohols

A

conjugate base of carboxylic acid is resonance stabilised

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

how is carboxylic acid prepared from oxidative cleavage of alkynes

A

oxidative cleavage breaks the C-C triple bond

2 carboxylic acids are formed

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

how are carboxylic acids prepared from primary alcohols

A

oxidation of primary alcohols with strong oxidising agent (Na2Cr2O7) in presence of H2SO4 or H2O

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

how are carboxylic acids produced form nitriles

A

reacting nitrile with aqueous acids (H3O+) in heat

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

how are carboxylic acids formed with CO2

A

reacting grignard reagent with CO2 in presence of acid (H3O+)

17
Q

how is carboxylic acid turned into an alcohol

A

reduced via treatment with LAH in presence of H3O+

18
Q

what are the 4 derivatives of carboxylic acids

order them from most to least reactive

A

acid halide
acid anhydride
ester
amide

19
Q

how are acid chloride formed from carboxylic acid

A

treat carboxylic acid with thionyl chloride (SOCl2)