The product of the following reaction is

iiiHI, heatiHNO2,0-5°Ciidil H2SO4,heat

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The amine that reacts with Hinsberg's reagent to give an alkali insoluble product is:-


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The major product of the following reaction is -

 -

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Aniline when diazotised in cold and then treated with dimethylaniline, gives a coloured product. It's structure would be :                                                                             

 

 

 

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A: Lower aliphatic amines are soluble in water.

R: Lower aliphatic amines can form intermolecular H-bonding with H2O.

 

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • Both Assertion & Reason are true and the reason is the correct explanation of the assertion.

  • Both Assertion & Reason are true but the reason is not the correct explanation of the assertion

  • Assertion is a true statement but Reason is false

  • Both Assertion & Reason are false statements

Assertion(A): Secondary amines have higher boiling points than their respective tertiary isomers.

Reason(R): H-bonding is absent in tertiary amines.

  • Both Assertion & Reason are true and the reason is not the correct explanation of the assertion

  • Both Assertion & Reason are true and the reason is the correct explanation of the assertion

  • Assertion is a true statement but Reason is false

  • Both Assertion & Reason are false statements

 Assertion(A): Amines have higher b.p than those of the corresponding alcohols.

 Reason(R): Alcohols possess intramolecular H-bonding.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • Both Assertion & Reason are true and the reason is the correct explanation of the assertion

  • Both Assertion & Reason are true but the reason is not the correct explanation of the assertion

  • Assertion is a true statement but Reason is false

  • Both Assertion & Reason are false statements

A: Nitration of aniline at the low temperature given 47% m-nitroaniline.

R: In acidic medium, NH2 group is converted into -N+H3 group which is m-directing.

 

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • Both Assertion & Reason are true and the reason is the correct explanation of the assertion.

  • Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.

  • Assertion is a true statement but Reason is false.

  • Both Assertion & Reason are false statements

 A: C6H5NH2 is a 1° amine and can be prepared by Gabriel phthalimide synthesis.

 R: C6H5NH2 is strongly basic in nature.

 

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • Both Assertion & Reason are true and the reason is the correct explanation of the assertion.

  • Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.

  • Assertion is a true statement but Reason is false.

  • Both Assertion & Reason are false statements.

Assertion(A): pKb of aniline is higher than ethylamine.

Reason(R): The lone pair of -NH2 group in aniline is involved in conjugation with a benzene ring.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • Both Assertion & Reason are true and the reason is the correct explanation of the assertion.

  • Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.

  • Assertion is a true statement but Reason is false.

  • Both Assertion & Reason are false statements.

Assertion(A): Aniline does not undergo Friedel-Crafts reaction.

Reason(R): Diazonium salts of aromatic amines are more stable than those of aliphatic amines.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • Both Assertion & Reason are true and the reason is the correct explanation of the assertion.

  • Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.

  • Assertion is a true statement but Reason is false.

  • Both Assertion & Reason are false statements.

 Assertion(A):  (I) is more basic than (II)

 Reason(R): Delocalisation of lone pair of electrons decreases the basic strength.

  •  Both Assertion & Reason are true but the reason is not the correct explanation of the assertion

  •  Assertion is a true statement but Reason is false

  •  Both Assertion & Reason are true and the reason is the correct explanation of the assertion

  • Both Assertion & Reason are false statements

An amine that gives the carbyl amine test is -

What is the proper sequence of the reagent in the Hoffmann's degradation reaction?

  •   Br2, KOH, H2O

  •   KOH, Br2, H2O

  •    H2O, KOH, Br2

  •   KOH, H2O, Br2

Carbylamine reaction tubes are not thrown into sink, to avoid bad odour, but are treated with conc. HCl to give:

  •   RCOOH+NH3

  •   RNH2

  •   RNH2+HCOOH

  •   RCOOH+NH2

In hypobromite reaction of amide, the carbonyl carbon atom is lost as:

  •   CO

  •   CO2

  •   CO32-

  •   None of the above 

When methyl iodide is treated with ammonia, the product obtained is:

  •  Methylamine

  •  Dimethylamine

  •  Trimethylamine

  •  All of the above

Which nitro compound will show tautomerism?

  •   C6H5NO2

  •   CH33CNO2

  •   CH3CH2NO2

  •   o-nitrotoluene

Diethylamine on oxidation with KMnO4 gives:

  •   ethanal

  •   propanone

  •   tetraethyl hydrazine

  •   none of these 

Urea reacts with hydrazine to form:

  • Nitrogen

  • Phenyl hydrazine

  • Semicarbazide

  • Urethane 

The main product in the reaction,

 HCONHRPyridinePOCl3 is:

  •   RCN

  •   RNC

  •   RCNO

  •   RNCO

R-N=C+HgOA+HgO2 ; What is A?

 

  •   RNH2

  •   RCONH2

  •   R-NCO

  •   RCOOH

Which of the following can be used to distinguish acetamide and urea?

 

  •   Biuret test

  •   Fehling's solution

  •   Hofmann's reaction

  •   NaOH solution

A colourless, odourless and non-combustible gas is liberated when ethylamine reacts with:

  •   NaOH

  •   CH3COCl

  •   NaNO2+HCl

  •   H2SO4 

Carbonyl chloride reacts with ammonia to form:

 

  •   CO2

  •   NH2CONH2

  •   CH3COONH4

  •   CH3CONH2

When aniline is heated with glacial acetic acid in the presence of anhydrous ZnCl2, the product is:

 

  • Acetamide

  • Acetanilide

  • Phenyl acetamide

  • Chlorobenzene

Carcinogens are the products of the reaction between:

  •   R2NH+HNO2

  •   R3N+HNO2

  •   RNH2+HNO2

  •   none of these 

Hofmann's rearrangement During the conversion of an amide to amine involves ..... rearrangement.

  •   Intermolecular

  •   Intramolecular

  •   Both (1) and (2)

  •   None of the above 

Aniline is a weaker base than ethylamine because:

 

  • lone pair of electrons of N-atom is not freely available for coordination due to resonance than in ethylamine.

  • Its b.p. is higher than that of ethylamine.

  • It does not produce a sufficient concentration of OH- ions in solution.

  • It is insoluble in water while ethylamine is soluble in water.

Diethyl carbonate on heating with ammonia gives:

  •   C2H5NH2

  •   C2H53N

  •   C2H52NH

  •   Urea

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