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IIT JEE Alcohols And Phenols
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IIT JEE Alcohols And Phenols
1
Amongst the following the maximum boiling point is of
A
2-butanol
B
1-butanol
C
2-methanol
D
2-methyl-1-propanol
2
Primary alcohols can be prepared from alkenes by
A
mercuration and demercuration of alkenes
B
direct hydration of alkenes
C
diboration of alkenes
D
All the above
3
Secondary alcohol can be prepared from Grignard reagent by reacting Grignard reagent with
A
ethoxyethane
B
methanal
C
propanal
D
facetaldehyde
4
ou are provided with a mixture of ortho meta and paranitrophenols. On steam distillation the component obtained will beo-
A
o-nitrophenol
B
p-nitrophenol
C
m-nitrophenol
D
a mixture of A and B
5
Carbinol is
A
1-butanol
B
ethyl alcohol
C
2-propanol
D
methyl alcohol
6
Vapours of isobutyl alcohol when passed over heated copper gives
A
2 methyl propanal
B
2 ethyl propane
C
butanone
D
butanal
7
The source of sugar for wine is
A
grapes
B
apples
C
methane
D
orange
8
Proof spirit is aqueous ethyl alcohol containing??..by volume of alcohol.
A
67.10%
B
27.50%
C
57.10%
D
99%
9
Which of the following is used in the manufacture of bakelite?
A
formaldehyde
B
Phenol
C
Ethyl alcohol
D
Both A and B
10
Alcohols are isomeric with
A
ethers
B
esters
C
carbonylic acids
D
aldehydes
11
Which of the following resist oxidation under ordinary conditions?
A
Isobutyl alcohol
B
Sec. butyl alcohol
C
Tert. butyl alcohol
D
None of above
12
Propene on treatment with dil. sulphuric acid givesNone of above
A
1-propanol
B
2-propanol
C
A and B
D
None of above
13
As the alkyl part goes on increasing in alcohol the solubility of alcohol in water
A
may increase or decrease
B
goes on increasing
C
remains constant
D
decreases
14
Reduction of which of the following will give only ethyl alcohol?
A
propyl methanoate
B
methyl methanoate
C
formic acid
D
ethyl acetate
15
Power alcohol is absolute alcohol blended with petrol in the ratio of
A
15%
B
35%
C
20%
D
25%
16
Which will have the maximum solubility in water?
A
Tert. butyl alcohol
B
Isobutyl alcohol
C
Methanol
D
1 butanol
17
Cane sugar on hydrolysis gives
A
galactose and sucrose
B
fructose only
C
glucose only
D
glucose and fructose
18
Methyl alcohol can be obtained from
A
coal gas
B
charcoal
C
producer gas
D
water gas
19
Alcohols have higher boiling point than alkanes of the corresponding molecular mass because
A
alcohols are miscible with water
B
alcohols have hydrogen bond
C
alcohols have ionic bond
D
alcohols contains OH group
20
The only primary alcohol that can be prepared by the indirect hydration of alkenes is
A
methyl alcohol
B
isobutyl alcohol
C
propyl alcohol
D
ethyl alcohol
21
Nobels oil is
A
dinitro glycerine
B
trinitroglycol
C
glycerol trinitrate
D
glycerol
22
Pyroligenous acid is obtained by the destructive distillation of
A
coal
B
petroleum
C
wood
D
gasoline
23
Grain spirit is
A
n-propyl alcohol
B
isobutyl alcohol
C
isopropyl alcohol
D
isopropyl alcohol
24
Proof spirit is alcohol-water mixture that contains
A
77.2% alcohol by volume
B
57.2% alcohol by weight
C
2N alcohol
D
2M alcohol
25
Amongst the following secondary alcohol is
A
2-butanol
B
1-butanol
C
2-methanol
D
2-methyl-1-propanol
26
thyl methyl carbinol is
A
butyl alcohol
B
primary butyl alcohol
C
tert. butyl alcohol
D
sec. butyl alcohol
27
Alcoholic fermentation is carried out by the action of
A
invertase
B
glucose
C
zymase
D
yeast
28
Phenol is used in the preparation of
A
aspirin
B
salol
C
bakelite
D
All the above
29
Aspirin is also known as
A
Phenyl salicylate
B
Acetyl salicylate
C
Methyl salicylic acid
D
Acetyl salicylic acid.
30
3-Dimethyl-2-butanol on reaction with HCl yields mainly
A
2-Chloro-2 3-dimethylbutane
B
1-Chloro-2 3-dimethylbutane
C
2-Chloro-3 3-dimethylbutane
D
1-Chloro-3 3-dimethylbutane.
31
The reaction between alcohol and carboxylic acids is called.
A
Esterification
B
Hydrolysis
C
Saponification
D
Hydrogenation
32
Absolute alcohol is
A
95% methanol
B
100% ethanol
C
100% ethanol
D
None of above
33
Which of the following is not characteristic of alcohols ?
A
They are lighter than water.
B
Their boiling points increase fairly uniformly with increasing molecular mass
C
Lower members are insoluble in water but solubility regularly increases with molecular
D
Lower mimbers have pleasant smell and burning taste while higher members are odourless adn tasteless.
34
Clear orange solution of chromic anhydride in aqueous sulphuric acid turn blue-green on reaction with
A
3-Methyl-3-pentanol
B
2-Butanol
C
2-Methyl-2-propanol
D
2-Methyl-2-butanol.
35
Which of the following alochols would give blood red colouration in Victor Meyers Test ?
A
sec-Pentyl alcohol
B
iso-Pentyl alcohol
C
tert-Pentyl alcohol .
D
None of above
36
Sodium will sink in
A
ethanol
B
kerosene
C
water
D
both A and B
37
Maltose is converted to???.by maltase.
A
one molecule of glucose and fructose each
B
two molecules of sucrose
C
two molecules of glucose
D
glucose and fructose
38
Which of the following alcohols is most soluble in water ?
A
n-Butyl alcohol
B
iso-Butyl alcohol
C
sec-Butyl alcohol
D
tert-Butylalcohol.
39
On distilling 2-hydroxy benzoic acid with Zn dust it gives
A
Phenol
B
Benzoic acid
C
Benzaldehyde
D
a polymeric compound.
40
Propylene is subjected to hydroboratio oxidation reaction. The product formed would be
A
Propanal
B
1-Propanol
C
2-Propanol
D
Propanone.
41
Absolute ethyl alcohol cannot be obtained by simple distillation of alcohol because
A
it forms zeotrope with water
B
it forms an azeotropic mixture with water
C
alcohol molecules are heavily hydrated
D
the difference in the boiling point of alcohol and water is less than 300
42
Starch is converted to maltose by the enzyme
A
zymase
B
lactase
C
maltase
D
diastase
43
Glycerol can be puridied by.
A
Steam distillation
B
Simple distillation
C
Vacuum distillation
D
Frational distillation
44
Hou many stereoisomers are possible for 2 3-dichloropentane
A
2
B
3
C
4
D
6
45
Glycerol is obtained on commercial scale from
A
Fats
B
Propylene
C
Both of the above
D
None of above
46
Phenol p-Methylphenol m-Nitrophenol and p-Nitrophenol follows order of increasing cidic strength
A
Phenol p-Methylphenol p-Nitro phenol m-Nitrophenol
B
p-Methylphenol Phenol m-Nitro phenol p-Nitrophenol
C
p-Methylphenol m-Nitro phenol Phenol p-Nitrophenol
D
m-Methylphenol p-Nitro phenol Phenol and p-Methyl-phenol.
47
Which of the following alcohols will give iodoform test ?
A
Methanol 1-Butanol
B
1-Butanol
C
1-Propanol
D
2-Butanol.
48
Ketones can be obtained by.
A
Dehydrogenation of sec-alcohols
B
Dehydrogenation of pri-alcohols
C
Oxidation of sec-alcohols
D
Oxidation of pri-alcohols
49
Brandy is produced by
A
distillation of wine
B
mixing alcohol with disprin
C
mixing alcohol with HCl
D
distilling ternary mixture of alcohol benzene and water
50
Which of the following compounds does not give positive periodic acid test ?
A
1 2-Propanediol
B
2-Propanol
C
1 2 3-Propanetriol
D
1 2-Ethanediol.
51
Which of the following contains a higher concentration of hydrogen ions?
A
Benzyl alcohol
B
Ethyl alcohol
C
Methanol
D
Phenol
52
The final product obtained by the catalytic hydrogenation of phenol is
A
Benzene
B
Cyclohexanol
C
Cyclohexane
D
Benzyl alcohol.
53
Hydrolysis of glucose to ethyl alcohol can be carried by
A
zymase
B
invertase
C
maltase
D
sucrose
54
Grignard reagent on reaction with acetone forms
A
Tertiary alcohol
B
Secondary alcohol
C
Acetic acid
D
Acetaldehyde.
55
Glycol is added tio aviation petrol because
A
It prevents freezing of petrol
B
It minimises the loss of petrol
C
It increases the efficiency of fuel
D
It prevents the engine from heating up.
56
Amongst the following phenols which is most acidic
A
Picric acid
B
2-Nitrophenol
C
2 4-Dinitrophenol
D
m-Nitrophenol.
57
Whcih of the following alcohols is the least soluble in water ?
A
Ethanol
B
1-Propanol
C
1-Butanol
D
1-Pentanol.
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