MCQs Set - VIII Compounds containing nitrogen

  Compounds containing Nitrogen
 

Compounds containing nitrogen

(1) Which one of the following reagents is required to  prepare methyl amine from acetamide:-

a.      PCl₅

b.     Sodalime

c.      NaOH + Br₂

d.     Hot. Conc H2SO4

(2) Which one of the following will give a primary amine on reduction:-

a.      CH₃CH₂NO₂

b.     C₆H₅-N=N-C₆H₅

c.      CH₃CH₂-O-N=O

d.     CH₃CH₂NC

(3) Which one of the following compounds will form isocyanides when subjected to carbylamines reaction:-

a.      N-Methylmethanamine

b.     Ethane nitrile

c.      Ethyl chloride

d.     Aniline

(4) Which one of the following will give a secondary amine on reduction:-

a.      Nitrobenzene

b.     Methyl cyanide

c.      Nitroethane

d.     Methyl isocyanide

(5) Which one of the following compounds can undergo Friedal Craft’s reaction:-

a.      Nitrobenzene

b.     Aniline

c.      Phenol

d.     Benzoic acid

(6) What is the product formed when Ethyl chloride is treated with alcoholic NaCN:-

a.      Ethane nitrile

b.     Propane nitrile

c.      Ethyl carbylamines

d.     Methyl cabylamine

(7) Alkyl cyanide on reduction yields.

a.    Primary amine

b.   Secondary amine

c.    Tertiary amine

d.   All of these

(8) The product obtained by heating ammonium sulphate and KCNO is.

a.    Ammonium cyanate

b.   Ammonia

c.    Hydrocyanic acid

d.   Urea

(9) When nitrobenzene is reduce with Zn dust and NH₄Cl we get:-

a.    Aniline

b.   Benzene

c.    Phenyl hydroxyl amine

d.   Azoxybenzene

(10) Amongst the following the most basic compound is:-

a.    Benzylamine

b.   Aniline

c.    Acetanilide

d.   P-Nitroaniline

(11) Butane nitrile may be prepared by heating.

a.    Propyl alcohol with KCN

b.   Butyl alcohol with KCN

c.    Butyl chloride with KCN

d.   Propyl chloride with KCN

(12) Which one of the following products are obtained on acidic hydrolysis of ethyl isocyanide:-

a.    CH₃CH₂NH₂ and H₂O

b.   CH₃NH2 and CH₃COOH

c.    CH₃CH₂NH₂ and HCOOH

d.   CH₃CONH₂ and H₂O

(13)   Which of the following reagents can be used to distinguish between aniline and ethyl amine:-

a.      Chloroform /alc.KOH

b.     Bromine water

c.      1% alkaline CuSO₄

d.     Ammonical AgNO₃

(14)     Which of the following tests can be used to distinguish between Ethylamine and Diethylamine:-

a.      Carbylamine test

b.     Tollen’s test

c.      Felhing’s test

d.     Biuret test

(15)     Which of the following pairs of compounds can be distinguished with Hinsberg reagent:-

a.      Aniline and ethyl amine

b.     Ethyl amine and diethyl amine

c.      Ethyl cyanide and ethyl isocyanide

d.     Nitro methane and Methane nitrile

(16)     Which of the following products in formed when aniline is subjected to acetylation:-

a.      Acetanilide

b.     Benzanilide

c.      Acetophenone

d.     Toluene

(17)     Which of the following reagents can be used to convert benzene diazonium chloride to benzene:-

a.      Cu/HCl

b.     CuCN

c.      H₃PO₂

d.     H₂SO₄

(18)     The reaction between a primary amine CHCl₃ and few drops of alcoholic KOH is known as.

a.    Cannizzaro’s reaction

b.   Wurt’z reaction

c.    Mendius reaction

d.   Carbyl amine reaction

(19)     Aniline is acetylated and the product on nitration followed by alkaline   hydrolysis gives:-

a.    o-nitroacetanilide

b.   p-nitroaniline

c.    m-nitroaniline

d.   acetanilide 

(20)     Which of the following is most basic:-

a.    Methyl amine

b.   Dimethyl amine

c.    Trimethyl amine

d.   Ammonia