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Ochem > Chapter 3 lecture > Flashcards

Chapter 3 lecture Flashcards

1
Q

Heteroatoms

A

Not C or H

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2
Q

Which is the hydrogen bond acceptor and donor and why? (look at word)

A

notes page 75

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3
Q

How can dipole dipole occur?

A

polar molecules where one end is partially positive and the other end is negative

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4
Q

What is the dipole dipole interaction of acetone? (look at word)

A

note page 75

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5
Q

Dipole dipole interaction of CH3-C(triple bond) N

A

note page 75

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6
Q

Van der waal forces

A

Weak interactions caused by momentary changes in electron density and results in temp dipole

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7
Q

What compounds are attractive forces present?

A

nonpolar

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8
Q

What happens for attractive forces between 2 molecules based on surface area

A

Larger surface area= larger attractive force

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9
Q

Which molecule has larger attractive force (on word)

A

note page 75

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10
Q

What does it mean if a compound has a higher temperature boiling point

A

attractive forces are stronger

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11
Q

longer chains cause what

A

Stronger attraction of molecules together

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12
Q

Polizability

A

measure of how electron cloud around atoms respond to changes

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13
Q

What type of atom has stronger VDW forces based on polarizability

A

larger atoms= loosely held= more polarizabile
smaller atoms= tightly held = less polarizablie

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14
Q

Which atom has more polarizability? I or F

A

I is more polarizable

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15
Q

As intermolecular forces increases what also increases

A

Boiling point

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16
Q

Rank increasing boiling points and why? CH3Cl,CH3Br, CH3I, CH3F

A

CH3F,CH3Cl,CH3Br,CH3I

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17
Q

rank highest boiling point and why
1. CH3CH2CH2CH2CH3
2. CH3CH2CH2CH2OH
3. CH3CH2CH2CHO

A

1 VDW
3 DD VDW
2 HB DD VDW

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18
Q

On word doc which has a higher boiling point and why

A

1 because it has more surface area

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19
Q

On word doc rank higher boiling point and why

A

1, 2, 3

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20
Q

What is the increasing strength of intermolecular forces

A

VDW, DD, HB

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21
Q

rank which has highest Melting point and why

A

note page 77

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22
Q

If they all have same F group what will have higher melting point

A

more symmetrical compound

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23
Q

What are the normal solubility trends

A

like dissolves like

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24
Q

organic compound only water-soluble if

A

1 polar functional group that can do hydrogen bonding with solvent for every 5 C atoms

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25
Q

Why do polar solvents dissolve in polar solvents

A

hydrogen bonding

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26
Q

What causes functional groups?

A

Heteroatoms and Pi bonds

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27
Q

What are the parts of an organic molecule?

A

Hydrocarbon backbone (R), covalent bond, functional group

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28
Q

What do functional groups do

A

determine properties

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29
Q

Aliphatic Hydrocarbons

A

Only made of C and H and have poor reactivity

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30
Q

Alkane

A

R-H

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31
Q

Example of Alkane

A

Note page 55

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32
Q

Alkene

A

R(double bond)FG

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33
Q

example of Alkene

A

Note page 55

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34
Q

Alkynes

A

R(triple Bond)FG

35
Q

Example of Alkynes

A

Note page 55

36
Q

Phenyl

A

Note Page 55

37
Q

Aromatic Hydrocarbons

A

only C and H in a circle with poor reactivity

38
Q

What is the most common Aromatic Hydrocarbon

A

Beneze

39
Q

Alkyl Halide

A

R–X (X= F,Cl,Br,I)

40
Q

Example of Alkyl Halide

A

CH3-I

41
Q

Functional group name of Alkyl Halide

A

halo

42
Q

Alcohol

A

R-OH

43
Q

Example of Alcohol

A

CH3CH2–OH

44
Q

Functional group name of alcohol

A

hydroxyl

45
Q

How do you know what is the back bone?

A

larger chain of carbon

46
Q

Ether

A

R–O–R

47
Q

when is an ether symmetrical and unsymetrical?

A

Symmetrical when both R are =
Unsymmetrical when both R are not =

48
Q

Example of ether

A

CH3OCH3
CH3OCH2CH3

49
Q

Functional group name of ether

A

Alkoxyl

50
Q

Amine and names of types

A

R-NH2 Primary
R-NH-R Secondary
R-NH-R Tertiary
|
R

51
Q

Functional Group name Amine

A

Amino

52
Q

Thiol

A

R-SH

53
Q

example of Thiol

A

CH3SH

54
Q

Functional Group name Thiol

A

Thio mercapto

55
Q

Sulfide (thioether)

A

R-S-R

56
Q

Example Sulfide (thioether)

A

CH3-SCH3

57
Q

Functional Group name sulfide (thioether)

A

Alkylthio

58
Q

Carbonyl Group

A

C=O

59
Q

Ketone

A

Note Page 71

60
Q

Example of Ketone

A

Note page 71

61
Q

Functional group name for Ketone

A

Carbonyl

62
Q

Aldehyde

A

Note page 71

63
Q

Example of Aldehyde

A

Note page 71

64
Q

Functional group name for Aldehyde

A

Carbonyl

65
Q

Carboxylic acid

A

Note page 71

66
Q

Example of Carboxylic acid

A

Note page 71

67
Q

Functional group name of carboxylic acid

A

carboxyl

68
Q

Ester

A

Note page 71

69
Q

Example of ester

A

note page 71

70
Q

Functional group name of ester

A

ester

71
Q

Amide and types

A

Note page 71

72
Q

example of amide

A

note page 71

73
Q

Acid halide

A

note page 72

74
Q

example of acid halide

A

note page 72

75
Q

Types of bonds and strengths

A

Hydrogen bonds strongest, dipole-dipole moderate, van der Waals forces weak

76
Q

Hydrogen bonding

A

HO, HN, HF attracted to to lone pair on O,N,F

77
Q

Are Hydrocarbons soluble in CCl4 and H2O?

A

CCl4 yes
H2O no

78
Q

Are ketones soluble in CCl4 and H2O?

A

CCl4 yes
H2O yes

79
Q

Why is Aceton solube in CCl4 and H2O

A

Hydrophobic hydrocarbons= Soluble with CCl4
Hydrophilic O= soluble with H2O

80
Q

Hydrophobic

A
81
Q

Hydrophilic

A
82
Q

Which molecules are more soluble in water

A
83
Q

Vitamin A

A
84
Q

Vitamin C

A

Ochem (10 decks)

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