IIT JEE/IIT JEE Organic Compounds Containing Nitrogen Sample Test,Sample questions

Question:
Acetamide is less basic than aniline because

1.it is an aliphatic compound

2.of greater elcetron withdrawing effect of adjacent carbonyl group

3.its molecular mass is low

4.of intermolecular H-bonding.


Question:
Acid amides upon treatment with KOH and bromine give amines. The reaction is called

1.Hofmann bromamide reaction

2.Gabriel phthalimide reaction

3.Rosenmunds reactions

4.Riemers reaction


Question:
Amino group in aniline is

1.ortho and para directing and activating

2.ortho and para directing

3.ortho directing

4.None of above


Question:
Ammonia and phthalic acid react to produce

1.Phthalamide

2.o-Amino benzoic acid

3.0-phenylenediamine

4.Phthalimide.


Question:
An organic compound A reacts with nitrous acid to form N-methyl-N-nitrosoethanamine. A can be obtained by reducation of

1.Propanenitrile

2.Acrylonitrile

3.Methylisocyanate

4.Ethylisocyanide.


Question:
Aniline black is obtained by the action of aniline with

1.sodium dichromate and sulphuric acid

2.conc. hydrochloric acid

3.conc. nitric acid

4.water


Question:
Aniline condenses with benzaldehyde to give

1.N benzoyl aniline

2.benzoyl aniline

3.benzal aniline

4.N benzal aniline


Question:
Aniline is normally purified by

1.vacuum distillation

2.steam distillation

3.simple distillation

4.pressure distillation


Question:
Aniline is purified by

1.smelting

2.distillation with pressure

3.sublimation

4.steam distillation


Question:
Aniline reacts with dl. HCl and HONO at 00C to form

1.diazo compound

2.azo compound

3.nitro compound

4.benzene


Question:
Benzoyl chloride reacts with benzenamine in the presence of a base to form

1.Benzamide

2.Hydrobenzamide

3.N-Phenylethanamide

4.N-Phenylbenzamide.


Question:
Diazonium salts are used in the solutions in which they are prepared because they arecorrosive

1.not obtained in the solid state

2.explosive

3.poisonous

4.Vinyl alcohol.


Question:
ethyl amine is

1.basic

2.neutral

3.amphoteric

4.acidic


Question:
Further nitration of nitrobenzene by treatment with nitrating mixture priduces

1.1 3-Dinitrobenzene

2.1 4-Dinitrobenzene

3.1 3 5-Trinitrobenzene

4.no reaction will occur.


Question:
Heisenberg test can be used to distinguish between

1.primary amines secondary amines and tertiary amine

2.primary amines and secondary amines

3.primary amines and tertiary amines

4.All the above


Question:
In order to produce ethyl isothiocyanate which of the following reagents are required ?

1.Ethyl amine and sulpyur

2.Ethanamide and sulpyur

3.Ethyl carbylamine and sulphur

4.Ethyl cyanide and sulphur.


Question:
Methyl carbylamine is treated with ozone the product formed is

1.Formic acid

2.Formic acid and methyl amine

3.Methyl isocyanate

4.Formaldimine.


Question:
N-nitrosoamine when warmed with phenol and conc. sulphuric acid gives green colouration. The amine is

1.quaternary salt

2.secondary amine

3.tert. amine

4.Vinyl alcohol.


Question:
Nitrobenzene when reduced with Sn and HCl gives

1.hydrazobenzene

2.azoxy benzene

3.aniline

4.None of these


Question:
One mole of ethlamine when reacts with nitrous acid will produce dinitrogen gas equal to

1.1 L at S.T.P.

2.22.4 L at S.T.P.

3.11.2 L at S.T.P.

4.unpredictable.


Question:
Propionamide when heated with bromine and NaOH givesPropyl amine

1.Ethyl amine

2.Propyl amine

3.Diethyl amine

4.None of these


Question:
Schiffs base on reduction give

1.sec. amine

2.aniline

3.tert. amine

4.p-amine


Question:
Schiffs bax is obtaind by the action of

1.p-amines with aldehydes

2.p-amines with acid anhydrides

3.p-amines with acid chloride

4.All the above


Question:
Secondary amine can be produced by

1.Reduction of isocyanides

2.Reduction of amides

3.Reduction of aldehydes

4.Reduction of nitrobenzene


Question:
Shape of amines is

1.planar triangular

2.square planar

3.tetrahedral

4.pyramidal


Question:
Sodalime decarboxylation of sodiumglycinate produces

1.Glycine

2.Ethanoic acid

3.Methylamine

4.Alanin.


Question:
Sweet spiritof nitre is

1.Ethyl nitrite

2.Nitrobenzene

3.Chlorobenzene

4.Nitromethane.


Question:
Tertiary nitroalkane cannot tautomerise because

1.their tautomer forms are highly unstable

2.it do not contain any multiple bond

3.it do not have labile H atom

4.it is not basic in nature.


Question:
Tertiary nitroalkanes cannot tautomerise because they

1.are not stable

2.are strong base

3.do not contain labite hydrogen

4.All the above


Question:
The main product of bromination of acetanilide in glacial acetic acid is

1.o-bromoaniline

2.p-bromoaniline

3.p-bromoacetanilide

4.2 4 6-tribromoacetanilide.


Question:
The main product of reduction of nitrobenzene with lithium aluminium hydride is

1.Azoxybebzene

2.Aniline

3.Azobenzene

4.Diazonium salt.


Question:
The main product of the reaction of ethyl bromide and alcoholic of silver nitrite is

1.ethyl cyanide

2.nitroethane

3.ethene

4.ethyl nitrite.


Question:
The reaction of amines with methyl iodide leading to the formation of quarternary ammonium salts is called

1.Hofmanns reaction

2.Exhaustive methylation

3.Benzoylation

4.Kolbes reaction


Question:
Urea the first organic compound was synthesised in the laboratory by

1.Hofmann

2.Wohler

3.Thomson

4.Riemer


Question:
When an aqueous solution f ethylamine and iron (III) chloride are mixed

1.a colourless solution is formed

2.brown precipitate is formed

3.violet coloured solution is produced

4.black precipitate is formed.


Question:
When chloroform primary amine and alcoholic KOH react a bad smelling compound is formed which is

1.alkyl isocyanate

2.alkyl isocyanide

3.alkyl amine

4.alkyl cyanide


Question:
Which compound is obtained when ethyl isocyanate is hydrolysed?

1.Propionamide

2.Ethyl cyanide

3.Ethyl acetate

4.Ethyl amine


Question:
Which is least reactive to nitratio ?

1.Benzene

2.Nitrobenzene

3.Chlorobenzene

4.Aniline.


Question:
Which of following substance is insoluble in water but gives crystalline precipitate with hydrochloric acid ?

1.Methyl amine

2.Acetamide

3.Aniline

4.Dimethyl amine.


Question:
Which of the following amine is stronger base as compared to ammonia?

1.Cyclohexylamine

2.Benzenamine

3.Diphenyl amine

4.Triphenyl amine.


Question:
Which of the following amine will not react with benzoyl chloride ?

1.isopropyl amine

2.p-toludine

3.N N-Diethyl aniline

4.N-methyl aniline.


Question:
Which of the following cannot show tautomerism ?

1.2-Methyl-2-nitropropane

2.2-Nitropropane

3.1-Nitropropane

4.Vinyl alcohol.


Question:
Which of the following combinations will not yield secondary amine?

1.Reduction of aldoximes

2.Reduction of carbylamines

3.Reduction of Schiffs bases

4.Reduction of N-Methylethanamide.


Question:
Which of the following compounds is expected to be maximum basic in nature?

1.Methyl amine

2.Ammonia

3.Ethyl amine

4.Aniline


Question:
Which of the following exists as Zwitter ion structure?

1.p-aminobenzene sulphonic acid

2.p-cresol

3.picric acid

4.salicylic acid.


Question:
Which of the following halides cannot be the starting material for preparation of p amines by Gabriel phthalaide reaction?

1.Phenyl chloride

2.2 chloroethanoic acid

3.Benzyl chloride

4.Vinyl alcohol.


Question:
Which of the following is a carcinogen?

1.Ethyl amine

2.N-nitroso amine

3.Aniline

4.Benzenediazonium chloride


Question:
Which of the following is absorbed by HCl?

1.Methyl alcohol

2.Ethanamine

3.Acetylene

4.Ethylene


Question:
Which of the following is insoluble both in acid and water but soluble in aq caustic alkali?

1.Benzene sulphuric acid

2.N N dimethyl amino methane

3.Sulphanilic acid

4.Aniline


Question:
Which of the following is the most basic?

1.Esters

2.Ketones

3.Alcohol

4.Amines


Question:
Which of the following on reaction with chloroform produces carbylamine?

1.p-amine

2.sec-amine

3.tert amine

4.All of the above.


Question:
Which of the following reagent can be used to convert benzene diazonium chloride to benzene?

1.Phosphorus acid

2.Phosphoric acid

3.Hypophosphoric acid

4.Metaphosphoric acid.


Question:
Which of the following species will give methyl orange by reaction with diazonium salt of sodium p-aminobenzene sulphonate ?aniline

1.vacuum distillation

2.N N-Dimethylaniline

3.m-nitro aniline

4.p-Cresol.


Question:
Which of the following structure can exist as Zwitter isn?

1.p-amino benzoic acid

2.Benzene diazonium chloride

3.o-amino benzene sulphonate ion

4.Benzene diazonium hydrogen sulphate.


Question:
Which of the following will give a primary amine upon hydrolysis?

1.Alkyl cyanide

2.Alkyl isocyanide

3.Oxime

4.None of these


Question:
Which of the following will not give dinitrogen gas with nitrous acid?

1.Propanamine

2.Methanamine

3.Trimethylamine

4.Isopropylamine.


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