pKa Flashcards

1
Q

Alkyne

A

25

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

Amine

A

35

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

Alkene

A

43

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

Alkane

A

50

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

Alcohol

A

17

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

Benzylic

A

30

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

Fluorene

A

22.6

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

ketone

A

19

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

HMDS

A

26

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

LDA

A

36

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

What is pH

A

A bulk property
-of a solution
concentration of H+
pH = -log10c

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

What is pKa

A

A molecular property

The acidity of a proton in a molecule
a number that shows how weak or strong an acid is. A strong acid will have a pKa of less than zero.

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

High pKa =?

A

the weaker the acid and the lower its ability to donate its protons.

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

Low pKa

A

the stronger the acid and the greater its ability to donate its protons.

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

pKa relation to Ka

A

the negative log base ten of the Ka value

Ka= acid dissociated constant

pKa =-log10[Ka]

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

Ka =

A

[H+][X-]/[HX]