LAB#7 Flashcards

1
Q

First examples of compounds that possesses carbonyl group

A

Aldehydes and ketones

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2
Q

Has very different chemical properties than carbon double bond in alkenes

A

Carbonyl group

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3
Q

In carbonyl group which is more electronegative

A

Oxygen

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4
Q

R-C=O

A

Acyl group

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5
Q

O=C-H

A

Formyl group

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6
Q

RCHO

A

Aldehyde

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7
Q

What is the suffix you use if aldehyde is the principal functional group

A

-al

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8
Q

What affixation you will use if the aldehyde is a substituent

A

-oxo-

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9
Q

C double bond O attached to an alkyl group

A

Aldehyde

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10
Q

RCOR

A

Ketone

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11
Q

What suffix will you use if a ketone is the function of group

A
  • o n e
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12
Q

Butan-2-one is also called as

A

Ethyl methyl ketone

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13
Q

They are recognizable by their sweet smells

A

Aldehyde

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14
Q

Aldehyde is recognizable by What smell

A

Sweet

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15
Q

Vanilla flavoring

A

Vanillin

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16
Q

Vanillin is used for what disease and sickness

A

Parkinson’s disease and hypertension

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17
Q

Vanillin is used in what type of perfume

A

Channel number 5

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18
Q

It requires very tedious process

A

Vanillin in Channel number 5

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19
Q

First line of fragrance to use synthetic organic chemicals

A

Vanillin

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20
Q

Benzaldehyde is what type of flavoring

A

Almond flavoring

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21
Q

Sources of benzaldehyde

A

Apple, peaches, apricot, strawberry

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22
Q

What is the genus of almond

A

Prunus

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23
Q

Cinnamon flavoring

A

Cinnamaldehyde

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24
Q

They have also some sweet smells

A

Ketone example is acetone

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25
Q

2-heptanone is what type of flavoring

A

Clove flavoring

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26
Q

It is a clove flavoring

A

2-Heptanone

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27
Q

2-Heptanone is also called as

A

Heptan-2-one

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28
Q

Butanedione is what type of flavoring

A

Butter flavoring

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29
Q

It is a butter flavoring

A

Butanedione

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30
Q

Carvone is what type of flavoring

A

Spearmint flavoring

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31
Q

It is a spearmint flavoring

A

Carvone

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32
Q

Preparation of aldehyde includes

A

General preparation
Specific preparation

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33
Q

General preparation of aldehyde includes

A

Oxidation of primary alcohol

Dehydrogenation of primary alcohol

Hydrolysis of germinal dihalide

Hydration of alkynes

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34
Q

Specific preparation of aldehyde

A

Methanal

Ethanal

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35
Q

Oxidation of primary alcohol will result to

A

Aldehyde

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36
Q

The dehydrogenation of primary alcohol result to

A

Aldehyde

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37
Q

What catalyst must be used in the dehydrogenation of primary alcohol and the corresponding temperature

A

Copper (Cu) or nickel (Ni) at 250 to 329° C

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38
Q

What is the product of hydrolysis of geminal by halide

A

Ketone or aldehyde + HCL

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39
Q

H2O2

A

Hydrogen peroxide

40
Q

BH3

A

Borane

41
Q

THF

A

Tetrahydrofuran

42
Q

HgSO4

A

Mercuric sulfate

43
Q

It is an addition reaction rule

A

Markovnikov’s rule

44
Q

Arrhenius acid includes

A

Hydrochloric acid
Hydrobromic acid
Hydroiodic acid
Sulfuric acid

45
Q

Oxidation of methanol

A

Methanal

46
Q

Oxidation of ethanol

A

Ethanal

47
Q

What do you hydrate to produce ethanal

A

Acetylene

48
Q

General preparations for ketone

A

Oxidation of secondary alcohol

Dehydration of secondary alcohols

49
Q

Specific preparation for ketone

A

Acetone

50
Q

Oxidation of Secondary alcohol will yield

A

Ketone

51
Q

Dehydration of secondary alcohols will require what type of catalyst

A

Copper or nickel

52
Q

What do you oxidize to produce acetone in the specific preparation of ketone

A

Propan - 2 - ol

53
Q

What type of distillation occurs in the specific preparation of acetone in ketone

A

Distillation of solid calcium acetates

54
Q

Physical properties of ketones and aldehydes

A

Hydrogen bonding

Boiling point

Solubility

55
Q

True or false

Either aldehydes or ketones possess the ability to hydrogen bond with other molecules like themselves

A

False, neither of aldehydes nor ketones possess the ability

56
Q

True or false

Aldehydes and ketones can form hydrogen bond with water molecules

A

True

57
Q

The boiling point of either aldehydes or ketones are lower than for

A

Alcohol of similar mass

58
Q

Aldi heights in ketones increase boiling points with increase in

A

Molecular weight

59
Q

Enumerate the boiling point of alkane ether aldehyde ketone and alcohol

A

0° C

8° C

49° C

56° C

98° C

60
Q

What is the name of an alkane with a boiling point of 0° C

A

Butane

61
Q

What is the name of an ether with a boiling point of 8° C

A

Methyl ethyl ether

62
Q

What is the name of an aldehyde with a boiling point of 49° C

A

Propanal

63
Q

What is the name of a ketone with a boiling point of 56° C

A

Propanone

64
Q

What is the name of the alcohol with a boiling point of 98° C

A

1 - propanol

65
Q

Determin the solubility of aldehyde and ketones with lower members or carbons up to four

A

Soluble in water due to hydrogen bonding

66
Q

Are higher members of aldehydes and ketones dissolves in water

A

Higher members do not dissolve in water

67
Q

Why does higher members of aldehyde and ketones do not dissolve in water

A

Hydrocarbon is larger and resist the formation of hydrogen bonds with water molecules

68
Q

Chemical properties of ketones and aldehydes

A

Oxidation of primary alcohols to form aldehydes

Oxidation of secondary alcohols to form ketone

Hydration of alkyne to alcohol and oxidation to aldehyde or ketone

69
Q

PCC stands for

A

Pyridinium chlorochromate

70
Q

Pyridinium chlorochromate or PCC is composed of

A

Pyridine, chromium oxide, hydrochloric acid

71
Q

The oxidation of the primary alcohol ethanol will yield

A

Ethanal + H2O

72
Q

Oxidation of secondary alcohol propan-2-ol will yield

A

Propan - 2 - one/ketone

73
Q

What is the iupac name of propanone

A

Prop-1-en-2-ol

74
Q

A terminal alkyne will yield what during hydration

A

Methyl ketone / aldehyde

75
Q

Reacts with grignard

A

Aldehydes and ketone

76
Q

Reacts with sodium bisulfite

A

Aldehydes and ketones

77
Q

Addition reaction of ammonia

A

Aldehydes and ketones

78
Q

Reacts with phenylhydrazine

A

Aldehydes and ketones

79
Q

Reacts with alcohol

A

Aldehyde

80
Q

Catalytic hydrogenation

A

Aldehydes and ketones

81
Q

Cannizzaro’s rxn

A

Aldehyde

82
Q

In a cannizzaro’s rxn The products are

A

Alcohol and carboxylic acid

83
Q

Without active hydrogen oraldehyde

A

Organic reaction

84
Q

Examples of aldehyde

A

Vanillin
Syringaldehyde
Formaldehyde

85
Q

Chemical test for ketones and aldehydes

A

Benedict’s test
Chromic acid test
Tollen’s test
Iodoform test

86
Q

It is a reduction test

A

Benedict’s test

87
Q

In Benedict’s test most ketone and aromatic aldehydes will

A

Not react

88
Q

Positive result for Benedict’s test

A

Red or brick red (aldehyde)

89
Q

Cu^2+

A

Benedict’s reagent

90
Q

Cu2O

A

Red precipitate

91
Q

During Benedict’s test aldehyde is oxidized to a

A

Carboxylic acid

92
Q

Cu^2- is reduced to give

A

Red Cu2O

93
Q

Best for the presence of primary secondary alcohol and aldehyde

A

Chromic acid test

94
Q

Positive result for primary or secondary alcohol

A

2-3 seconds formation of cloudy blue suspension
Disappearance of orange colored reagent

95
Q

What will happen in the aliphatic aldehyde solutions within 5 seconds

A

Cloudy

96
Q

In aliphatic aldehyde solutions what color of the suspension will be formed within 30 seconds

A

Bluegreen suspension