Urea is not used:

  • As fertilizer

  • In the manufacture of plastic

  • In the preparation of medicines

  • In the purification of water

Nitroparaffins on reduction give:

  • Amide

  • Alkylamine

  • Ammonium salt

  • Acetanilide

Which of the following is not a nitro derivative?

  •  C6H5NO2

  •  CH3CH2ONO

  •  CH3C|CH3H-NO=O

  •  C6H4(OH)NO2

Which of the following amines is optically active?

(3) CH3CH2CH2-N|CH3-C2H5

  •  CH3NH2

  •  CH3NHCH3

  • (4) Sec. butylamine

  • 4

The number of π-bonds in the formula given below, NC-CH=CH-CN are:

  • 5

  • 4

  • 3

  • 2

Ketones and 1° amines react to form:

  • Amides

  • Oximes

  • Urea

  • Imines

Which compound will liberate CO2 from NaHCO3 solution?

  • CH3CONH2

  • CH3NH2

  • (CH3)4N+OH-

  • CH3N+H3Cl-

C6H5NO2Fe/HClA273 KNaNO2/HClB283 KH2OC 'C' is 

  •  C6H5-OH

  •  C6H5-CH2OH

  •  C6H5-CHO

  •  C6H5NH2

Nitrobenzene on reaction with Conc. HNO3/H2SO4 at 80-100 °C forms which one of the following products?

  • 1,4-Dinitrobenzene 

  • 2,4,6-Trinitrobenzene
  • 1,2-Dinitrobenzene 
  • 1,3-Dinitrobenzene

Which of the following compounds is most basic here

  • diphenyl amine

  • dimethyl amine

  • guanidine

  • trimethyl amine

The melting point is highest for -

  • Primary amines

  • Secondary amines

  • Tertiary amines

  • Quaternary amines

Carbylamine test is performed in alcoholic KOH by heating a mixture of 

  • trihalogenated methane and a primary amine

  • an alkyl halide and a primary amine 

  • an alkyl cyanide and a primary amine

  • chloroform and silver powder 

Hinsberg reagent is 

  •  C6H5NO

  •  C6H5N2Cl

  •  C6H5SO2Cl

  •  C6H5SO3H

When acetamide is treated with NaOBr, the product formed is

 

 

  •  CH3OH

  •  CH3NH2

  •  CH3CN

  •  CH3COBr

The compound which one reaction with aqueous nitrous acid at low temperature produces an oily nitrosamine is

  • methylamine

  • ethylamine

  • triethylamine

  • diethylamine

Which compound is formed when CH34N+OH- is heated ?

  •  C2H5NH2

  •  CH23N

  •  CH3NH2

  •  CH33N

The reagent that converts nitromethane to methylhydroxylamine is -

  •  Zn/NaOH

  •  Sn/HCl

  •  Zn/NH4Cl

  •  Zn/HCl

An amine that does not give carbylamine reaction is -

  • Ethylamine

  • Dimethylamine

  • Methylamine

  • Phenylamine

Which is most basic?

  •  CH3NH2

  •  CH32NH

  •  C2H5NH2

  •  C6H52NH

Which of the following reagent can be used to convert benzenediazonium chloride into benzene

  •  H3PO2

  •  LiAlH4

  •  Br2- H2O

  •  CH3OH

Which of the following reacts with Hinsberg reagent (Benzene sulphonyl chloride) to form a product, soluble in KOH?

  • Primary amine 

  • Secondary amine

  • Tertiary amine

  • Quaternary amine

 The most reactive towards electrophilic substitution among the following is -

  • Nitrobenzene

  • Aniline

  • Aniline hydrochloric

  • n-Acetylaniline

Carbylamine reaction can be given by -

  •  C2H5NO2

  •  CH3NH2

  •  CH32NH

  •  CH3CONH2

CH3NH2+CHCl3+KOH  Nitrogen containing compound+KCl+H2O. The nitrogen-containing compound is

  •  CH3-CH2-CN

  •  CH3-NH-CH3

  •  CH3-N-C+

  •  CH3N+ C-

C2H5NH2 , C6H5NHCH3, (C2H5)2NH and C6H5NH2 

For the above compounds, decreasing order of the pKb values (in gaseous phase) is -

  •  C6H5NHC6H5NHCHC2H5NH2(C2H5)2NH

  •  C2H5NH2 C6H5NHCHC6H5NH2 > (C2H5)2NH

  •  C6H5NHCH3 C6H5NH2 C2H5NH2(C2H5)2NH

  •  (C2H5)2NH C6H5NHCHC2H5NH2C6H5NH2

The increasing order of boiling point of 

 C2H5OH, (CH3)2NH, C2H5NH2 is-

  •  (CH3)2NH < C2H5NH< C2H5OH

  •  (CH3)2NH > C2H5NH2 > C2H5OH

  •  (CH3)2NH < C2H5NH> C2H5OH

  •  (CH3)2NH <  C2H5OH< C2H5NH

The increasing sequence of solubility of the following molecules ;C6H5NH2, (C2H5)2NH, C2H5NH 

in water is -

  •  C6H5NH2 < (C2H5)2NH < C2H5NH2

  • C6H5NH2 > (C2H5)2NH < C2H5NH2

  • C6H5NH2 > (C2H5)2NH > C2H5NH2

  • C6H5NH2 < (C2H5)2NH > C2H5NH2

Arrange the following in increasing order of their basic strength: CH3NH2, (CH3)2NH, (CH3)3N, C6H5NH2, C6H5CH2NH2

1. C6H5NH2< C6H5CH2NH2 < (CH3)3N< CH3NH2< (CH3)2NH2. C6H5NH2< (CH3)3N< C6H5CH2NH2 < CH3NH2< (CH3)2NH3.  (CH3)2NH< C6H5NH2< (CH3)3N< C6H5CH2NH2 < CH3NH24.  (CH3)3N<C6H5NH2< C6H5CH2NH2 < CH3NH2< (CH3)2NH

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  • 2
  • 3
  • 4

C6H5N2Cl+H3PO2+H2O:

The product from the above reaction would be -

  • 1.C6H5NC

  • 2. C6H6CH3

  • 3.C6H5CN

  • 4. C6H6

  •  

Arrange the following in increasing order of their basic strength: (CH3)2NH, CH3NH2, (CH3)3N, C6H5NH2, C6H5CH2NH2

1. C6H5NH2< C6H5CH2NH2 < (CH3)3N< CH3NH2< (CH3)2NH2. C6H5NH2< (CH3)3N< C6H5CH2NH2 < CH3NH2< (CH3)2NH3.  (CH3)2NH< C6H5NH2< (CH3)3N< C6H5CH2NH2 < CH3NH24.  (CH3)3N<C6H5NH2< C6H5CH2NH2 < CH3NH2< (CH3)2NH

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  • 2
  • 3
  • 4
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