LAB#7 Flashcards
(96 cards)
1
Q
First examples of compounds that possesses carbonyl group
A
Aldehydes and ketones
2
Q
Has very different chemical properties than carbon double bond in alkenes
A
Carbonyl group
3
Q
In carbonyl group which is more electronegative
A
Oxygen
4
Q
R-C=O
A
Acyl group
5
Q
O=C-H
A
Formyl group
6
Q
RCHO
A
Aldehyde
7
Q
What is the suffix you use if aldehyde is the principal functional group
A
-al
8
Q
What affixation you will use if the aldehyde is a substituent
A
-oxo-
9
Q
C double bond O attached to an alkyl group
A
Aldehyde
10
Q
RCOR
A
Ketone
11
Q
What suffix will you use if a ketone is the function of group
A
- o n e
12
Q
Butan-2-one is also called as
A
Ethyl methyl ketone
13
Q
They are recognizable by their sweet smells
A
Aldehyde
14
Q
Aldehyde is recognizable by What smell
A
Sweet
15
Q
Vanilla flavoring
A
Vanillin
16
Q
Vanillin is used for what disease and sickness
A
Parkinson’s disease and hypertension
17
Q
Vanillin is used in what type of perfume
A
Channel number 5
18
Q
It requires very tedious process
A
Vanillin in Channel number 5
19
Q
First line of fragrance to use synthetic organic chemicals
A
Vanillin
20
Q
Benzaldehyde is what type of flavoring
A
Almond flavoring
21
Q
Sources of benzaldehyde
A
Apple, peaches, apricot, strawberry
22
Q
What is the genus of almond
A
Prunus
23
Q
Cinnamon flavoring
A
Cinnamaldehyde
24
Q
They have also some sweet smells
A
Ketone example is acetone
25
2-heptanone is what type of flavoring
Clove flavoring
26
It is a clove flavoring
2-Heptanone
27
2-Heptanone is also called as
Heptan-2-one
28
Butanedione is what type of flavoring
Butter flavoring
29
It is a butter flavoring
Butanedione
30
Carvone is what type of flavoring
Spearmint flavoring
31
It is a spearmint flavoring
Carvone
32
Preparation of aldehyde includes
General preparation
Specific preparation
33
General preparation of aldehyde includes
Oxidation of primary alcohol
Dehydrogenation of primary alcohol
Hydrolysis of germinal dihalide
Hydration of alkynes
34
Specific preparation of aldehyde
Methanal
Ethanal
35
Oxidation of primary alcohol will result to
Aldehyde
36
The dehydrogenation of primary alcohol result to
Aldehyde
37
What catalyst must be used in the dehydrogenation of primary alcohol and the corresponding temperature
Copper (Cu) or nickel (Ni) at 250 to 329° C
38
What is the product of hydrolysis of geminal by halide
Ketone or aldehyde + HCL
39
H2O2
Hydrogen peroxide
40
BH3
Borane
41
THF
Tetrahydrofuran
42
HgSO4
Mercuric sulfate
43
It is an addition reaction rule
Markovnikov's rule
44
Arrhenius acid includes
Hydrochloric acid
Hydrobromic acid
Hydroiodic acid
Sulfuric acid
45
Oxidation of methanol
Methanal
46
Oxidation of ethanol
Ethanal
47
What do you hydrate to produce ethanal
Acetylene
48
General preparations for ketone
Oxidation of secondary alcohol
Dehydration of secondary alcohols
49
Specific preparation for ketone
Acetone
50
Oxidation of Secondary alcohol will yield
Ketone
51
Dehydration of secondary alcohols will require what type of catalyst
Copper or nickel
52
What do you oxidize to produce acetone in the specific preparation of ketone
Propan - 2 - ol
53
What type of distillation occurs in the specific preparation of acetone in ketone
Distillation of solid calcium acetates
54
Physical properties of ketones and aldehydes
Hydrogen bonding
Boiling point
Solubility
55
True or false
Either aldehydes or ketones possess the ability to hydrogen bond with other molecules like themselves
False, neither of aldehydes nor ketones possess the ability
56
True or false
Aldehydes and ketones can form hydrogen bond with water molecules
True
57
The boiling point of either aldehydes or ketones are lower than for
Alcohol of similar mass
58
Aldi heights in ketones increase boiling points with increase in
Molecular weight
59
Enumerate the boiling point of alkane ether aldehyde ketone and alcohol
0° C
8° C
49° C
56° C
98° C
60
What is the name of an alkane with a boiling point of 0° C
Butane
61
What is the name of an ether with a boiling point of 8° C
Methyl ethyl ether
62
What is the name of an aldehyde with a boiling point of 49° C
Propanal
63
What is the name of a ketone with a boiling point of 56° C
Propanone
64
What is the name of the alcohol with a boiling point of 98° C
1 - propanol
65
Determin the solubility of aldehyde and ketones with lower members or carbons up to four
Soluble in water due to hydrogen bonding
66
Are higher members of aldehydes and ketones dissolves in water
Higher members do not dissolve in water
67
Why does higher members of aldehyde and ketones do not dissolve in water
Hydrocarbon is larger and resist the formation of hydrogen bonds with water molecules
68
Chemical properties of ketones and aldehydes
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
PCC stands for
Pyridinium chlorochromate
70
Pyridinium chlorochromate or PCC is composed of
Pyridine, chromium oxide, hydrochloric acid
71
The oxidation of the primary alcohol ethanol will yield
Ethanal + H2O
72
Oxidation of secondary alcohol propan-2-ol will yield
Propan - 2 - one/ketone
73
What is the iupac name of propanone
Prop-1-en-2-ol
74
A terminal alkyne will yield what during hydration
Methyl ketone / aldehyde
75
Reacts with grignard
Aldehydes and ketone
76
Reacts with sodium bisulfite
Aldehydes and ketones
77
Addition reaction of ammonia
Aldehydes and ketones
78
Reacts with phenylhydrazine
Aldehydes and ketones
79
Reacts with alcohol
Aldehyde
80
Catalytic hydrogenation
Aldehydes and ketones
81
Cannizzaro's rxn
Aldehyde
82
In a cannizzaro's rxn The products are
Alcohol and carboxylic acid
83
Without active hydrogen oraldehyde
Organic reaction
84
Examples of aldehyde
Vanillin
Syringaldehyde
Formaldehyde
85
Chemical test for ketones and aldehydes
Benedict's test
Chromic acid test
Tollen's test
Iodoform test
86
It is a reduction test
Benedict's test
87
In Benedict's test most ketone and aromatic aldehydes will
Not react
88
Positive result for Benedict's test
Red or brick red (aldehyde)
89
Cu^2+
Benedict's reagent
90
Cu2O
Red precipitate
91
During Benedict's test aldehyde is oxidized to a
Carboxylic acid
92
Cu^2- is reduced to give
Red Cu2O
93
Best for the presence of primary secondary alcohol and aldehyde
Chromic acid test
94
Positive result for primary or secondary alcohol
2-3 seconds formation of cloudy blue suspension
Disappearance of orange colored reagent
95
What will happen in the aliphatic aldehyde solutions within 5 seconds
Cloudy
96
In aliphatic aldehyde solutions what color of the suspension will be formed within 30 seconds
Bluegreen suspension
