Nitrogen containing Compounds (Chemistry Test):
Ques. C3H9N represents
(a) Primary amine
(b) Secondary amine
(c) Tertiary amine
(d) All of these
Ques. When aniline reacts with NaNO2 and dil. HCl at 0o – 5o C, the product formed is
(a) Nitroaniline
(b) Benzene diazonium chloride
(c) Benzene
(d) Trinitroaniline
Ques. Amides may be converted into amines by reaction named after
(a) Perkin
(b) Claisen
(c) Hoffmann
(d) Kolbe
Ques. Nitrobenzene on reduction by zinc and NH4Cl gives
(a) Aniline
(b) Nitrosobenzene
(c) Hydrazobenzene
(d) Phenylhydroxyl amine
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Ques. Ethylamine can be prepared by the action of bromine and caustic potash on
(a) Acetamide
(b) Propionamide
(c) Formamide
(d) Methyl cyanide
Ques. Melting points are normally the highest for
(a) Tertiary amides
(b) Secondary amides
(c) Primary amides
(d) Amines
Ques. The diazonium salts are the reaction products in presence of excess of mineral acid with nitrous acid and
(a) Primary aliphatic amine
(b) Secondary aromatic amine
(c) Primary aromatic amine
(d) Tertiary aliphatic amine
Ques. Amines behave as
(a) Lewis acids
(b) Lewis bases
(c) Aprotic acids
(d) Amphoteric compounds
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Ques. KCN reacts readily to give a cyanide with
(a) Ethyl alcohol
(b) Ethyl bromide
(c) Bromobenzene
(d) Chlorobenzene
Ques. Which of the following compound gives dye test
(a) Aniline
(b) Methylamine
(c) Diphenylamine
(d) Ethylamine
Ques. Reaction of primary amines with aldehyde yields
(a) Amides
(b) Aldimines
(c) Nitriles
(d) Nitro compounds
Ques. A nitrogen containing organic compound on heating with chloroform and alcoholic KOH, evolved very unpleasant smelling vapour. The compound could be
(a) N, N-dimethyl amine
(b) Nitrobenzene
(c) Aniline
(d) Benzamide
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Ques. Which one is weakest base
(a) Ammonia
(b) Methylamine
(c) Dimethylamine
(d) Trimethylamine
Ques. The reaction between a primary amine, chloroform and few drops of alcoholic KOH is known as
(a) Cannizzaro reaction
(b) Carbylamine reaction
(c) Wurtz’s reaction
(d) Reimer-Tiemann reaction
Ques. On heating acetamide in presence of P2O5 which of the following is formed
(a) Ammonium acetate
(b) Acetonitrile
(c) Amonia
(d) Methylamines
Ques. Chloropicrin is manufactured by the reaction between Cl2, NaOH and
(a) Nitromethane
(b) Nitroethane
(c) Nitrophenol
(d) Nitrostyrene
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Ques. What is formed, when nitrobenzene is reduced using zinc and alkali
(a) Phenol
(b) Aniline
(c) Nitrosobenzene
(d) Hydrazobenzene
Ques. In alkyl cyanide alkyl group attached with
(a) C of CN group
(b) N of CN group
(c) Either C or N of CN group
(d) Both C and N of CN group
Ques. Reaction of aniline with benzaldehyde is
(a) Polymerisation
(b) Condensation
(c) Addition
(d) Substitution
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Ques. Allyl isocyanide has
(a) 9 sigma bonds and 4 pi bonds
(b) 8 sigma bonds and 5 pi bonds
(c) 8 sigma bonds, 3 pi bonds and 4 non-bonding electrons
(d) 9 sigma bonds, 3 pi bonds and 2 non-bonding electrons
Ques. The reduction of which of the following compound would yield secondary amine ?
(a) Alkyl nitrite
(b) Carbylamine
(c) Primary amine
(d) Secondary nitro compound
Ques. When acetamide reacts with Br2 and caustic soda, then we get
(a) Acetic acid
(b) Bromoacetic acid
(c) Methyl amine
(d) Ethane
Ques. Benzamide on reaction with POCl3 gives
(a) Aniline
(b) Chlorobenzene
(c) Benzyl amine
(d) Benzonitrile
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Ques. Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compounds if water during the reaction is continuously removed. The compound formed is generally known as
(a) A Schiff’s base
(b) An enamine
(c) An imine
(d) An amine
Ques. Benzaldehyde condenses with N, N-dimethylaniline in presence of anhydrous ZnCl2 to give
(a) Michler’s ketone
(b) Azo dye
(c) Malachite green
(d) Buffer yellow
Ques. A nauseating smell in the carbylamine test for primary amines is due to the formation of
(a) Isocyanide
(b) Chloroform
(c) Cyanide
(d) DDT
Ques. Mustard gas is obtained by
(a) The action of dilute acids on mustard seeds
(b) Treating ethylene with mustard oil
(c) Treating sulphur chloride with ethylene
(d) None of these
Ques. Diazo-coupling is useful to prepare some
(a) Dyes
(b) Proteins
(c) Pesticides
(d) Vitamins
Ques. Phenyl isocyanides are prepared from which of the following reactions
(a) Rosenmund’s reaction
(b) Carbylamine reaction
(c) Reimer-Tiemann reaction
(d) Wurtz reaction
Ques. On strong heating, ammonium acetate gives
(a) Acetamide
(b) Methyl cyanide
(c) Urea
(d) Formamide
Ques. Aniline is separated from a mixture by
(a) Fractional crystallization
(b) Fractional distillation
(c) Vacuum distillation
(d) Steam distillation
Ques. Foul smelling compound formed, during carbyl amine reaction is :
(a) Alcohol
(b) Aldehyde
(c) Alkyl isocyanide
(d) Carboxylic acid
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