On account of the disruption in education due to the corona pandemic, we're opening up our platform for teachers, free of cost. Know More →

JEE Main

Explore popular questions from Amines for JEE Main. This collection covers Amines previous year JEE Main questions hand picked by experienced teachers.

Select Subject

Physics

Chemistry

Mathematics

Amines

Correct Marks 4

Incorrectly Marks -1

Q 1. Which of the following reagent converts nitrobenzene to aniline?

{tex} \mathrm { Sn } / \mathrm { HCl } {/tex}

B

{tex} \mathrm { Zn } / \mathrm { NH } _ { 4 } \mathrm { OH } {/tex}

C

{tex} \mathrm { Zn } / \mathrm { NaOH } {/tex}

D

{tex} \mathrm{LiAH_4}{/tex}

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 2. Which of the following is most basic?

B

C

D

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 3.
The product {tex} \mathrm C {/tex} is

B

C

D

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 4. A mixture containing primary, secondary and tertiary amine is treated with diethyl oxalate. Choose the correct statement

A

The distillate of the mixture after treatment mainly contains {tex} 1 ^ { \circ } {/tex} amine

{tex} 3 ^ { \circ } {/tex} amine do not react with diethyl oxalate

C

This is Hinsberg method of separating {tex} 1 ^ { \circ } , 2 ^ { \circ } \& 3 ^ { \circ } {/tex} amines

D

{tex} 3 ^ { \circ } {/tex} amine is removed by filtration

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 5. The major product of the following reaction is

A

C

D

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 6.
The product is

A

B

Both ( 1 ) & ( 2 )

D

Explanation


Correct Marks 4

Incorrectly Marks -1

Q 7.
The compound {tex} \mathrm A {/tex} and {tex}\mathrm B {/tex} are

A

C

D

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 8. Choose the false statement

A

{tex} - \mathrm { NH } _ { 2 } {/tex} strongly activating while {tex} - \mathrm { NHCOCH } _ { 3 } {/tex} is weak activating

B

{tex} - \mathrm { NO } _ { 2 } {/tex} is strong deactivating group

{tex} - \mathrm { NHCOCH } _ { 3 } {/tex} and {tex} - \mathrm { NO } _ { 2 } {/tex} are m-directing groups

D

{tex} - \mathrm { N}\overset{\oplus}\mathrm {H } _ { 3 } {/tex} and {tex} - \mathrm { NO } _ { 2 } {/tex} are m-directing groups

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 9. Methyl orange (an acid-base indicator) can be prepared by following sequence of reactions

What would be the structure of methyl orange?

A

B

D

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 10. Final product of the following sequence of reactions would be

A

B

C

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 11. Consider the following sequence of reactions

[P] gives coloured precipitate with benzaldehyde. What would be the structure of [P]?

A

B

D

Explanation


{tex}\mathrm{[P]}{/tex}gives coloured precipitate of hydrazone with benzaldehyde of hydrazone.

Correct Marks 4

Incorrectly Marks -1

Q 12. Many important pencillin type antibiotics possess a {tex}\mathrm{\beta}{/tex}-lactam unit. Which of the following represents a {tex}\mathrm{\beta}{/tex}-lactam ring?

A

C

D

Correct Marks 4

Incorrectly Marks -1

Q 13.
{tex} X {/tex} is

A

B

C

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 14. The correct increasing order of basic strength for the following compounds is

A

{tex}\mathrm {II

B

{tex}\mathrm {III

C

{tex}\mathrm {III

{tex}\mathrm {II

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 15. An amine reacts with {tex} \mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { SO } _ { 2 } \mathrm { Cl } {/tex} and the product is soluble in alkali, amine is

{tex} 1 ^ { \circ } {/tex} amine

B

{tex} 2 ^ { \circ } {/tex} amine

C

{tex} 3 ^ { \circ } {/tex} amine

D

All of these

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 16. Which one is the most volatile?

A

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

{tex} \left( \mathrm { CH } _ { 3 } \right) _ { 3 } \mathrm { N } {/tex}

C

D

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

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 17. An organic compound {tex}\mathrm{(A)}{/tex} on reduction gave a compound {tex}\mathrm{(B)}{/tex}. Upon treatment with {tex}\mathrm{ HNO} _ { 2 } {/tex}, {tex}\mathrm{(B)}{/tex} gave ethyl alcohol and on warming with {tex}\mathrm{ CHCl_3} {/tex}, and alcoholic {tex}\mathrm{ KOH} {/tex}, {tex}\mathrm{(B)}{/tex} gave an offensive smell. The compound{tex}\mathrm{(A)}{/tex} is

A

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

B

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

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

D

{tex} \mathrm { C } _ { 2 } \mathrm { H } _ { 5 } \mathrm { CN } {/tex}

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 18. Which would not react with benzene sulphonyl chloride in aqueous NaOH?

A

Aniline

N, N-dimethylaniline

C

p-toluidine

D

N-ethyl aniline

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 19. Which one of the following compounds gives dye test?

Aniline

B

Methylamine

C

Diphenylamine

D

Ethylamine

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 20. The gas evolved when methylamine reacts with nitrous acid is

A

{tex} \mathrm { NH } _ { 3 } {/tex}

{tex} \mathrm { N } _ { 2 } {/tex}

C

{tex} \mathrm { H } _ { 2 } {/tex}

D

{tex} \mathrm { C } _ { 2 } \mathrm { H } _ { 6 } {/tex}

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 21. What is the end product in the following sequence of reactions?

A

Ethylcyanide

Ethylamine

C

Methylamine

D

Acetamide

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 22. Treatment of ammonia with excess of ethyl chloride will yield

A

Diethylamine

B

Methylamine

Tetra ethyl ammonium chloride

D

Ethane

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 23. {tex} 2,4,6 {/tex} -tribromo aniline is a product of

A

Electrophilic addition on {tex} \mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { NH } _ { 2 } {/tex}

Electrophilic substitution on {tex} \mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { NH } _ { 2 } {/tex}

C

Nucleophilic addition on {tex} \mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { NH } _ { 2 } {/tex}

D

Nucleophilic substitution on {tex} \mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { NH } _ { 2 } {/tex}

Explanation

Correct Marks 4

Incorrectly Marks -1

Q 24. For the identification of {tex}\beta{/tex}-naphthol using dye test, it is necessary to use

A

Dichloromethane solution of {tex} \beta {/tex} -naphthol

B

Acidic solution of {tex} \beta {/tex} -naphthol

C

Neutral solution of {tex} \beta {/tex} -naphthol

Alkaline solution of {tex} \beta {/tex} -naphthol

Explanation