IIT JEE/IIT JEE Alcohols And Phenols Sample Test,Sample questions

Question:
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.


Question:
Absolute alcohol is

1.95% methanol

2.100% ethanol

3.100% ethanol

4.None of above


Question:
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


Question:
Alcoholic fermentation is carried out by the action of

1.invertase

2.glucose

3.zymase

4.yeast


Question:
Alcohols are isomeric with

1.ethers

2.esters

3.carbonylic acids

4.aldehydes


Question:
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


Question:
Amongst the following phenols which is most acidic

1.Picric acid

2.2-Nitrophenol

3.2 4-Dinitrophenol

4.m-Nitrophenol.


Question:
Amongst the following secondary alcohol is

1.2-butanol

2.1-butanol

3.2-methanol

4.2-methyl-1-propanol


Question:
Amongst the following the maximum boiling point is of

1.2-butanol

2.1-butanol

3.2-methanol

4.2-methyl-1-propanol


Question:
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


Question:
Aspirin is also known as

1.Phenyl salicylate

2.Acetyl salicylate

3.Methyl salicylic acid

4.Acetyl salicylic acid.


Question:
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


Question:
Cane sugar on hydrolysis gives

1.galactose and sucrose

2.fructose only

3.glucose only

4.glucose and fructose


Question:
Carbinol is

1.1-butanol

2.ethyl alcohol

3.2-propanol

4.methyl alcohol


Question:
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.


Question:
Glycerol can be puridied by.

1.Steam distillation

2.Simple distillation

3.Vacuum distillation

4.Frational distillation


Question:
Glycerol is obtained on commercial scale from

1.Fats

2.Propylene

3.Both of the above

4.None of above


Question:
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.


Question:
Grain spirit is

1.n-propyl alcohol

2.isobutyl alcohol

3.isopropyl alcohol

4.isopropyl alcohol


Question:
Grignard reagent on reaction with acetone forms

1.Tertiary alcohol

2.Secondary alcohol

3.Acetic acid

4.Acetaldehyde.


Question:
Hou many stereoisomers are possible for 2 3-dichloropentane 

1.2

2.3

3.4

4.6


Question:
Hydrolysis of glucose to ethyl alcohol can be carried by

1.zymase

2.invertase

3.maltase

4.sucrose


Question:
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


Question:
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


Question:
Methyl alcohol can be obtained from

1.coal gas

2.charcoal

3.producer gas

4.water gas


Question:
Nobels oil is

1.dinitro glycerine

2.trinitroglycol

3.glycerol trinitrate

4.glycerol


Question:
On distilling 2-hydroxy benzoic acid with Zn dust it gives

1.Phenol

2.Benzoic acid

3.Benzaldehyde

4.a polymeric compound.


Question:
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


Question:
Phenol is used in the preparation of

1.aspirin

2.salol

3.bakelite

4.All the above


Question:
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.


Question:
Power alcohol is absolute alcohol blended with petrol in the ratio of

1.15%

2.35%

3.20%

4.25%


Question:
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


Question:
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


Question:
Proof spirit is aqueous ethyl alcohol containing??..by volume of alcohol.

1.67.10%

2.27.50%

3.57.10%

4.99%


Question:
Propene on treatment with dil. sulphuric acid givesNone of above

1.1-propanol

2.2-propanol

3.A and B

4.None of above


Question:
Propylene is subjected to hydroboratio oxidation reaction. The product formed would be

1.Propanal

2.1-Propanol

3.2-Propanol

4.Propanone.


Question:
Pyroligenous acid is obtained by the destructive distillation of

1.coal

2.petroleum

3.wood

4.gasoline


Question:
Reduction of which of the following will give only ethyl alcohol?

1.propyl methanoate

2.methyl methanoate

3.formic acid

4.ethyl acetate


Question:
Secondary alcohol can be prepared from Grignard reagent by reacting Grignard reagent with

1.ethoxyethane

2.methanal

3.propanal

4.facetaldehyde


Question:
Sodium will sink in

1.ethanol

2.kerosene

3.water

4.both A and B


Question:
Starch is converted to maltose by the enzyme

1.zymase

2.lactase

3.maltase

4.diastase


Question:
The final product obtained by the catalytic hydrogenation of phenol is

1.Benzene

2.Cyclohexanol

3.Cyclohexane

4.Benzyl alcohol.


Question:
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


Question:
The reaction between alcohol and carboxylic acids is called.

1.Esterification

2.Hydrolysis

3.Saponification

4.Hydrogenation


Question:
The source of sugar for wine is

1.grapes

2.apples

3.methane

4.orange


Question:
thyl methyl carbinol is

1.butyl alcohol

2.primary butyl alcohol

3.tert. butyl alcohol

4.sec. butyl alcohol


Question:
Vapours of isobutyl alcohol when passed over heated copper gives

1.2 methyl propanal

2.2 ethyl propane

3.butanone

4.butanal


Question:
Whcih of the following alcohols is the least soluble in water ?

1.Ethanol

2.1-Propanol

3.1-Butanol

4.1-Pentanol.


Question:
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.


Question:
Which of the following alcohols will give iodoform test ?

1.Methanol 1-Butanol

2.1-Butanol

3.1-Propanol

4.2-Butanol.


Question:
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


Question:
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.


Question:
Which of the following contains a higher concentration of hydrogen ions?

1.Benzyl alcohol

2.Ethyl alcohol

3.Methanol

4.Phenol


Question:
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.


Question:
Which of the following is used in the manufacture of bakelite?

1.formaldehyde

2.Phenol

3.Ethyl alcohol

4.Both A and B


Question:
Which of the following resist oxidation under ordinary conditions?

1.Isobutyl alcohol

2.Sec. butyl alcohol

3.Tert. butyl alcohol

4.None of above


Question:
Which will have the maximum solubility in water?

1.Tert. butyl alcohol

2.Isobutyl alcohol

3.Methanol

4.1 butanol


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