3-Dimethyl-2-butanol on reaction with HCl yields mainly
1.2-Chloro-2 3-dimethylbutane
2.1-Chloro-2 3-dimethylbutane
3.2-Chloro-3 3-dimethylbutane
4.1-Chloro-3 3-dimethylbutane.
Posted Date:-2021-09-27 12:58:01
Absolute alcohol is
1.95% methanol
2.100% ethanol
3.100% ethanol
4.None of above
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Absolute ethyl alcohol cannot be obtained by simple distillation of alcohol because
1.it forms zeotrope with water
2.it forms an azeotropic mixture with water
3.alcohol molecules are heavily hydrated
4.the difference in the boiling point of alcohol and water is less than 300
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Alcoholic fermentation is carried out by the action of
1.invertase
2.glucose
3.zymase
4.yeast
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Alcohols are isomeric with
1.ethers
2.esters
3.carbonylic acids
4.aldehydes
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Alcohols have higher boiling point than alkanes of the corresponding molecular mass because
1.alcohols are miscible with water
2.alcohols have hydrogen bond
3.alcohols have ionic bond
4.alcohols contains OH group
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Amongst the following phenols which is most acidic
1.Picric acid
2.2-Nitrophenol
3.2 4-Dinitrophenol
4.m-Nitrophenol.
Posted Date:-2021-09-27 12:58:01
Amongst the following secondary alcohol is
1.2-butanol
2.1-butanol
3.2-methanol
4.2-methyl-1-propanol
Posted Date:-2021-09-27 12:58:01
Amongst the following the maximum boiling point is of
1.2-butanol
2.1-butanol
3.2-methanol
4.2-methyl-1-propanol
Posted Date:-2021-09-27 12:58:01
As the alkyl part goes on increasing in alcohol the solubility of alcohol in water
1.may increase or decrease
2.goes on increasing
3.remains constant
4.decreases
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Aspirin is also known as
1.Phenyl salicylate
2.Acetyl salicylate
3.Methyl salicylic acid
4.Acetyl salicylic acid.
Posted Date:-2021-09-27 12:58:01
Brandy is produced by
1.distillation of wine
2.mixing alcohol with disprin
3.mixing alcohol with HCl
4.distilling ternary mixture of alcohol benzene and water
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Cane sugar on hydrolysis gives
1.galactose and sucrose
2.fructose only
3.glucose only
4.glucose and fructose
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Carbinol is
1.1-butanol
2.ethyl alcohol
3.2-propanol
4.methyl alcohol
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Clear orange solution of chromic anhydride in aqueous sulphuric acid turn blue-green on reaction with
1.3-Methyl-3-pentanol
2.2-Butanol
3.2-Methyl-2-propanol
4.2-Methyl-2-butanol.
Posted Date:-2021-09-27 12:58:01
Glycerol can be puridied by.
1.Steam distillation
2.Simple distillation
3.Vacuum distillation
4.Frational distillation
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Glycerol is obtained on commercial scale from
1.Fats
2.Propylene
3.Both of the above
4.None of above
Posted Date:-2021-09-27 12:58:01
Glycol is added tio aviation petrol because
1.It prevents freezing of petrol
2.It minimises the loss of petrol
3.It increases the efficiency of fuel
4.It prevents the engine from heating up.
Posted Date:-2021-09-27 12:58:01
Grain spirit is
1.n-propyl alcohol
2.isobutyl alcohol
3.isopropyl alcohol
4.isopropyl alcohol
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Grignard reagent on reaction with acetone forms
1.Tertiary alcohol
2.Secondary alcohol
3.Acetic acid
4.Acetaldehyde.
Posted Date:-2021-09-27 12:58:01
Hou many stereoisomers are possible for 2 3-dichloropentane
1.2
2.3
3.4
4.6
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Hydrolysis of glucose to ethyl alcohol can be carried by
1.zymase
2.invertase
3.maltase
4.sucrose
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Ketones can be obtained by.
1.Dehydrogenation of sec-alcohols
2.Dehydrogenation of pri-alcohols
3.Oxidation of sec-alcohols
4.Oxidation of pri-alcohols
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Maltose is converted to???.by maltase.
1.one molecule of glucose and fructose each
2.two molecules of sucrose
3.two molecules of glucose
4.glucose and fructose
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Methyl alcohol can be obtained from
1.coal gas
2.charcoal
3.producer gas
4.water gas
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Nobels oil is
1.dinitro glycerine
2.trinitroglycol
3.glycerol trinitrate
4.glycerol
Posted Date:-2021-09-27 12:58:01
On distilling 2-hydroxy benzoic acid with Zn dust it gives
1.Phenol
2.Benzoic acid
3.Benzaldehyde
4.a polymeric compound.
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ou are provided with a mixture of ortho meta and paranitrophenols. On steam distillation the component obtained will beo-
1.o-nitrophenol
2.p-nitrophenol
3.m-nitrophenol
4.a mixture of A and B
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Phenol is used in the preparation of
1.aspirin
2.salol
3.bakelite
4.All the above
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Phenol p-Methylphenol m-Nitrophenol and p-Nitrophenol follows order of increasing cidic strength
1.Phenol p-Methylphenol p-Nitro phenol m-Nitrophenol
2.p-Methylphenol Phenol m-Nitro phenol p-Nitrophenol
3.p-Methylphenol m-Nitro phenol Phenol p-Nitrophenol
4.m-Methylphenol p-Nitro phenol Phenol and p-Methyl-phenol.
Posted Date:-2021-09-27 12:58:01
Power alcohol is absolute alcohol blended with petrol in the ratio of
1.15%
2.35%
3.20%
4.25%
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Primary alcohols can be prepared from alkenes by
1.mercuration and demercuration of alkenes
2.direct hydration of alkenes
3.diboration of alkenes
4.All the above
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Proof spirit is alcohol-water mixture that contains
1.77.2% alcohol by volume
2.57.2% alcohol by weight
3.2N alcohol
4.2M alcohol
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Proof spirit is aqueous ethyl alcohol containing??..by volume of alcohol.
1.67.10%
2.27.50%
3.57.10%
4.99%
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Propene on treatment with dil. sulphuric acid givesNone of above
1.1-propanol
2.2-propanol
3.A and B
4.None of above
Posted Date:-2021-09-27 12:58:01
Propylene is subjected to hydroboratio oxidation reaction. The product formed would be
1.Propanal
2.1-Propanol
3.2-Propanol
4.Propanone.
Posted Date:-2021-09-27 12:58:01
Pyroligenous acid is obtained by the destructive distillation of
1.coal
2.petroleum
3.wood
4.gasoline
Posted Date:-2021-09-27 12:58:01
Reduction of which of the following will give only ethyl alcohol?
1.propyl methanoate
2.methyl methanoate
3.formic acid
4.ethyl acetate
Posted Date:-2021-09-27 12:58:01
Secondary alcohol can be prepared from Grignard reagent by reacting Grignard reagent with
1.ethoxyethane
2.methanal
3.propanal
4.facetaldehyde
Posted Date:-2021-09-27 12:58:01
Sodium will sink in
1.ethanol
2.kerosene
3.water
4.both A and B
Posted Date:-2021-09-27 12:58:01
Starch is converted to maltose by the enzyme
1.zymase
2.lactase
3.maltase
4.diastase
Posted Date:-2021-09-27 12:58:01
The final product obtained by the catalytic hydrogenation of phenol is
1.Benzene
2.Cyclohexanol
3.Cyclohexane
4.Benzyl alcohol.
Posted Date:-2021-09-27 12:58:01
The only primary alcohol that can be prepared by the indirect hydration of alkenes is
1.methyl alcohol
2.isobutyl alcohol
3.propyl alcohol
4.ethyl alcohol
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The reaction between alcohol and carboxylic acids is called.
1.Esterification
2.Hydrolysis
3.Saponification
4.Hydrogenation
Posted Date:-2021-09-27 12:58:01
The source of sugar for wine is
1.grapes
2.apples
3.methane
4.orange
Posted Date:-2021-09-27 12:58:01
thyl methyl carbinol is
1.butyl alcohol
2.primary butyl alcohol
3.tert. butyl alcohol
4.sec. butyl alcohol
Posted Date:-2021-09-27 12:58:01
Vapours of isobutyl alcohol when passed over heated copper gives
1.2 methyl propanal
2.2 ethyl propane
3.butanone
4.butanal
Posted Date:-2021-09-27 12:58:01
Whcih of the following alcohols is the least soluble in water ?
1.Ethanol
2.1-Propanol
3.1-Butanol
4.1-Pentanol.
Posted Date:-2021-09-27 12:58:01
Which of the following alcohols is most soluble in water ?
1.n-Butyl alcohol
2.iso-Butyl alcohol
3.sec-Butyl alcohol
4.tert-Butylalcohol.
Posted Date:-2021-09-27 12:58:01
Which of the following alcohols will give iodoform test ?
1.Methanol 1-Butanol
2.1-Butanol
3.1-Propanol
4.2-Butanol.
Posted Date:-2021-09-27 12:58:01
Which of the following alochols would give blood red colouration in Victor Meyers Test ?
1.sec-Pentyl alcohol
2.iso-Pentyl alcohol
3.tert-Pentyl alcohol .
4.None of above
Posted Date:-2021-09-27 12:58:01
Which of the following compounds does not give positive periodic acid test ?
1.1 2-Propanediol
2.2-Propanol
3.1 2 3-Propanetriol
4.1 2-Ethanediol.
Posted Date:-2021-09-27 12:58:01
Which of the following contains a higher concentration of hydrogen ions?
1.Benzyl alcohol
2.Ethyl alcohol
3.Methanol
4.Phenol
Posted Date:-2021-09-27 12:58:01
Which of the following is not characteristic of alcohols ?
1.They are lighter than water.
2.Their boiling points increase fairly uniformly with increasing molecular mass
3.Lower members are insoluble in water but solubility regularly increases with molecular
4.Lower mimbers have pleasant smell and burning taste while higher members are odourless adn tasteless.
Posted Date:-2021-09-27 12:58:01
Which of the following is used in the manufacture of bakelite?
1.formaldehyde
2.Phenol
3.Ethyl alcohol
4.Both A and B
Posted Date:-2021-09-27 12:58:01
Which of the following resist oxidation under ordinary conditions?
1.Isobutyl alcohol
2.Sec. butyl alcohol
3.Tert. butyl alcohol
4.None of above
Posted Date:-2021-09-27 12:58:01
Which will have the maximum solubility in water?
1.Tert. butyl alcohol
2.Isobutyl alcohol
3.Methanol
4.1 butanol
Posted Date:-2021-09-27 12:58:01