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Organic chemistry > CH 2 Acids & Bases > Flashcards

CH 2 Acids & Bases Flashcards

1
Q

Protonated carboxylic acid
+
H
RCOOH

A

Less than 0

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2
Q

Protonated water

H3O+

A

-1.7

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3
Q

Carboxylic acid

RCOOH

A

~5

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4
Q

Protonated amine
+
RNH3

A

~10

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5
Q

Alcohol

ROH

A

~15

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6
Q

Water

H2O

A

~15

15.7

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7
Q

Methane

CH4

A

60

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8
Q

Ammonia

NH3

A

36

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9
Q

Hydrogen sulfide

H2S

A

7.0

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10
Q

Hydrobromic acid

HBr

A

-9

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11
Q

Hydrofluoric acid

HF

A

3.2

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12
Q

Hydrochloric acid

HCl

A

-7

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13
Q

Hydroiodic acid

HI

A

-10

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14
Q

Ethyne

HC(triplebond)CH

A

25

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15
Q 
Ethene 
H2C(doublebond)CH2
A

44

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16
Q

Ethane

CH3CH3

A

> 60

17
Q

Acetic acid

CH3COOH

A

4.76

18
Q

Formic acid

HCOOH

A

3.75

19
Q

Methyl alcohol

CH3OH

A

15.5

20
Q

Ethyl alcohol

CH3CH2OH

A

15.9

21
Q

Methylamine

CH3NH2

A

40

22
Q

Protonated methylamine
+
CH3NH3

A

10.7

23
Q

Protonated ethylamine
+
CH3CH2NH3

A

11.0

24
Q

Protonated methyl alcohol
+
CH3OH
H

A

-2.5

25
Q

Protonated acetic acid
+
CH3COHOH

A

-6.1

26
Q

How does size affect acid strength

A

As atomic size increases, acid strength increases

27
Q

How does electronegativity affect acid strength

A

As e-neg increases, acidity increases

28
Q

How does hybridization affect acid strength

A

Acidity and e-neg:

sp > sp2 > sp3

29
Q

How does inductive e- withdrawal affect acidity

A

As e-neg of electron withdrawing group increases and moves closer to the acidic Hydrogen, acid strength increases

30
Q

How does electron delocalization affect acidity

A

An acid with a conjugate base that has delocalized electrons is MORE acidic than an acid whose conjugate base has localized electrons

31
Q

Equilibrium constant equation

A

Ka = [H3O+][A-]/[HA] = Keq [H2O]

32
Q

Protonated alcohol
+
ROH2

A

Less than 0

Organic chemistry (1 decks)

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