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Explore popular questions from Organic Compounds Containing Nitrogen for JEE Main. This collection covers Organic Compounds Containing Nitrogen previous year JEE Main questions hand picked by experienced teachers.

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Organic Compounds Containing Nitrogen

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Q 1. Consider the following sequence of reaction

The final product (Q) is

A

chlorobenzene

bromobenzene

C

benzyl bromide

D

benzyl chloride

Explanation

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Q 2. All but one of the following compounds reacts with aniline to give acetanilide. Which one does not?

A

B

D

Explanation

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Q 3.

B

C

D

Explanation

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Q 4.
Structure of (D) is:

A

{tex} \mathrm { Ph } - \mathrm { CH } _ { 2 } \mathrm { NH } _ { 2 } {/tex}

B

{tex} \mathrm { Ph } - \mathrm { NC } {/tex}

{tex} \mathrm { PhCH } _ { 2 } \mathrm { NC } {/tex}

D

{tex} \mathrm { PhCH } _ { 2 } \mathrm { CN } {/tex}

Explanation

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Q 5.
Product A is:

A

B

D

Explanation

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Q 6. Consider the following sequence of reactions:

The products (B) and (C) are:

A

C

D

Explanation

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Q 7.
{tex} ( X ) {/tex} is

A

C

D

Explanation

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Q 8. A compound with molecular mass 180 is acylated with {tex} \mathrm { CH } _ { 3 } \mathrm { COCl } {/tex} to get a compound with molecular mass {tex} 390 . {/tex} The number of amino groups present per molecule of the former compound is:

A

2

5

C

4

D

6

Explanation





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Q 9. The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:

Methyl isocyanate

B

Methylamine

C

Ammonia

D

Phosgene

Explanation

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Q 10. When primary amine reacts with chloroform in ethanolic KOH then the product is

an isocyanide

B

an aldehyde

C

a cyanide

D

an alcohol.

Explanation

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Q 11. Ethyl isocyanide on hydrolysis in acidic medium generates

ethylamine salt and methanoic acid

B

propanoic acid and ammonium salt

C

ethanoic acid and ammonium salt

D

methylamine salt and ethanoic acid.

Explanation


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Q 12. An organic compound having molecular mass 60 is found to contain {tex} \mathrm { C } = 20 \% , \mathrm { H } = 6.67 \% {/tex} and {tex} \mathrm { N } = 46.67 \% {/tex} while rest is
oxygen. On heating it gives {tex} \mathrm { NH } _ { 3 } {/tex} along with a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. The compound is

A

{tex} \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CONH } _ { 2 } {/tex}

{tex} \left( \mathrm { NH } _ { 2 } \right) _ { 2 } \mathrm { CO } {/tex}

C

{tex} \mathrm { CH } _ { 3 } \mathrm { CONH } _ { 2 } {/tex}

D

{tex} \mathrm { CH } _ { 3 } \mathrm { NCO } {/tex}

Explanation





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Q 13. Which one of the following methods is neither meant for the synthesis nor for separation of amines?

A

Curtius reaction

Wurtz reaction

C

Hofmann method

D

Hinsberg method

Explanation


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Q 14. In the chemical reactions,

the compounds {tex} 'A' {/tex} and {tex}' B ' {/tex} respectively are

A

nitrobenzene and fluorobenzene

B

phenol and benzene

benzene diazonium chloride and fluorobenzene

D

nitrobenzene and chlorobenzene

Explanation







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Q 15. When primary amine reacts with chloroform in ethanolic {tex}\mathrm{KOH}{/tex} then the product is

an isocyanide

B

an aldehyde

C

a cyanide

D

an alcohol.

Explanation


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Q 16. Which one of the following does not have {tex} s p ^ { 2 } {/tex} hybridized carbon?

A

Acetone

B

Acetic acid

Acetonitrile

D

Acetamide.

Explanation

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Q 17. Ethyl isocyanide on hydrolysis in acidic medium generates

A

propanoic acid and ammonium salt

B

ethanoic acid and ammonium salt

C

methylamine salt and ethanoic acid

ethylamine salt and methanoic acid

Explanation


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Q 18. Amongst the following the most basic compound is

A

p-nitroaniline

B

acetanilide

C

aniline

benzylamine

Explanation


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Q 19. Which of the following is the strongest base?

A

B

C

Explanation


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Q 20. Amongst the following the most basic compound is

benzylamine

B

aniline

C

acetanilide

D

{tex} p {/tex} -nitroaniline

Explanation


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Q 21. The compound following compounds forms nitroso amines when the substituents are

A

{tex} R _ { 1 } = C H _ { 3 } , R _ { 2 } = R _ { 3 } = H {/tex}

B

{tex} R _ { 1 } = R _ { 2 } = H , R _ { 3 } = C _ { 2 } H _ { 5 } {/tex}

{tex} R _ { 1 } = H , R _ { 2 } = R _ { 3 } = C H _ { 3 } {/tex}

D

{tex} R _ { 1 } = C H _ { 3 } , R _ { 2 } = C _ { 2 } H _ { 5 } , R _ { 3 } = H {/tex}

Explanation



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Q 22. Aniline when diazotized in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be

B

C


{tex} N H C H _ { 3 } {/tex}

D

Explanation

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Q 23. Indicate which nitrogen compound amongst the following would undergo Hofmann's reaction (i.e. reaction with {tex} \mathrm {Br}_2 {/tex} and strong {tex} \mathrm {KOH} {/tex}) to furnish the primary amine ({tex}\mathrm R -{tex} \mathrm {NH}_2 {/tex})

A

B

D

Explanation

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Q 24.

A

C

D

Explanation

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Q 25. Aniline reacts with acetaldehyde to form

Schiffs base

B

Carbylamine

C

Immine

D

None of these

Explanation