How many questions from Amines appear in JEE?

Amines has appeared in 133 of the last 186 JEE Main and JEE Advanced papers — about 72% of them — contributing 173 questions in total across those papers.

Is Amines an important chapter for JEE?

Judged by how often it is actually tested, it appears in roughly 72% of papers. Chapters above about 50% are effectively guaranteed to show up every session, so they repay thorough preparation; lower-frequency chapters are better treated as targeted revision.

Where do these Amines questions come from?

Every question is from an official JEE Main or JEE Advanced paper, transcribed from the original paper and tagged to this chapter. Answers follow the official answer key.

Amines JEE Previous Year Questions with Answers

Q1·ChemistrySingle correctJEE Advanced 2026

Match the major products obtained in the reactions given in List-I with the corresponding structures in List-II and choose the correct option.

(A)P → 2; Q → 1; R → 5; S → 4
(B)P → 1; Q → 2; R → 4; S → 5
(C)P → 1; Q → 2; R → 3; S → 4
(D)P → 2; Q → 1; R → 3; S → 5

Q2·ChemistrySingle correctJEE Main 2026

Which statements are True? A. In Hoffmann bromamide degradation, 4 moles of NaOH and 2 moles of

Br_2

are consumed per mole of an amide B. Hoffmann bromamide reaction is not given by alkyl amides. C. Primary amines can be synthesized by Hoffmann bromamide degradation. D. Secondary amide on reaction with

Br_2

and NaOH will give secondary amine. E. The by-products of Hoffmann degradation are

Na_2CO_3

, NaBr and

H_2O

. Choose the correct answer from the options given below:

(A)A, C and E only
(B)B, C and D only
(C)C and E only
(D)C, D and E only

Q3·ChemistrySingle correctJEE Main 2026

Arrange the following compounds according to increasing order of boiling points. n-C₄H₉OH (A), n-C₄H₉NH₂ (B), n-C₄H₁₀ (C) and C₂H₅NHC₂H₅ (D).

(A) $C < B < A < D$
(B) $D < C < B < A$
(C) $C < D < B < A$
(D) $D < B < A < C$

Q4·ChemistrySingle correctJEE Main 2026

The number of compounds from the following which can undergo reaction with

\mathrm{Br_{2}}

/KOH (alcoholic) to give respective products and these respective products can also be obtained separately by Gabriel phthalimide reaction is :

(A)5
(B)4
(C)3
(D)6

Q5·ChemistrySingle correctJEE Main 2026

Consider the following organic reaction sequence. Choose the final product

(X)

from the following (consider the major product in all intermediate reactions)

(A)Benzene
(B)Phenol
(C)Propanol
(D)Chlorobenzene

Q6·ChemistrySingle correctJEE Main 2026

Identify the incorrect statements. Choose the correct answer from the options given below:

(A)A and D Only
(B)A and C Only
(C)B and C Only
(D)A and B Only

Q7·ChemistrySingle correctJEE Main 2026

Given below are two statements : Statement I: Heating benzamide with bromine in an ethanolic solution of sodium hydroxide will give benzylamine. Statement II: Nitration of aniline with HNO₃/H₂SO₄ at 288 K produces m-nitroaniline in higher amount than o-nitroaniline (pH adjusted). In the light of the above statements, choose the correct answer from the options given below :

(A)Both Statement I and Statement II are true
(B)Both Statement I and Statement II are false
(C)Statement I is true but Statement II is false
(D)Statement I is false but Statement II is true

Q8·ChemistrySingle correctJEE Main 2026

Benzyl isocyanide can be obtained from Choose the correct answer from the options given below:

(A)A and B Only
(B)A and C Only
(C)B and D Only
(D)D and E Only

Q9·ChemistrySingle correctJEE Main 2026

The strongest conjugate acid will result from:

(A)aniline
(B)4-methoxyaniline
(C)4-nitroaniline
(D)4-methylaniline (p-toluidine)

Q10·ChemistrySingle correctJEE Main 2026

Consider the three aromatic molecules (P, Q and R) whose structures have been given below : The correct order regarding the reactivity of these compounds with

Ph-N\equiv NCl^{(-)}_{(+)}

under optimum but slightly acidic medium is :

(A) $P>Q>R$
(B) $R>P>Q$
(C) $R>Q>P$
(D) $P>R>Q$

Q11·ChemistrySingle correctJEE Main 2026

Consider the following reactions giving major product. Identify the correct reaction.

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q12·ChemistrySingle correctJEE Main 2026

A student performed analysis of aliphatic organic compound 'X' which on analysis gave C = 61.01%, H=15.25%, N=23.74%. This compound, on treatment with

HNO_2/H_2O

produced another compound 'Y' which did not contain any nitrogen atom. However, the compound 'Y' upon controlled oxidation produced another compound 'Z' that responded to iodoform test. The structure of 'X' is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q13·ChemistrySingle correctJEE Main 2026

Total number of alkali insoluble solid sulphonamides obtained by reaction of given amines with Hinsberg's reagent is ……….. . Aniline, N-Methylaniline, Methanamine, N, N-Dimethylmethanamine, N-Methyl methanamine, Phenylmethanamine, N-propylaniline, N-phenylaniline, N, N-Dimethylaniline, Allyl amine, Isopropyl amine

(A)4
(B)2
(C)8
(D)5

Q14·ChemistrySingle correctJEE Main 2026

A student has planned to prepare acetanilide from aniline using acetic anhydride. The student has started from 9.3g of aniline. However, the student has managed to obtain 11 g of dry acetanilide. The % yield of this reaction is :-

(A)81.5%
(B)97.5%
(C)59.5%
(D)72.5%

Q15·ChemistrySingle correctJEE Main 2026

Given below are two statements : Statement I : The dipole moment of R-CN is greater than R-NC and R-NC can undergo hydrolysis under acidic medium to produce

\text{R}-\overset{\text{O}}{\overset{\|}{\text{C}}}-\text{OH}

. Statement II : R-CN hydrolyses under acidic medium to produce a compound which on treatment with

\text{SOCl}_{2}

, followed by the addition of

\text{NH}_{3}

gives another compound(x). This compound (x) on treatment with

\text{NaOCl}/\text{NaOH}

gives a product, that on treatment with

\text{CHCl}_{3}/\text{KOH}/\Delta

produces R-NC In the light of the above statements, choose the correct answer from the options given below :

(A)Both Statement I and Statement II are false
(B)Both Statement I and Statement II are true
(C)Statement I is true but Statement II is false
(D)Statement I is false but Statement II is true

Q16·ChemistrySingle correctJEE Main 2026

Compound 'P' undergoes the following sequence of reactions : 'P' is :

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q17·ChemistrySingle correctJEE Main 2026

Consider the following sequence of reactions. 4-Nitrotoluene Assuming that the reaction proceeds to completion, then 137 mg of 4-nitrotoluene will produce ______mg of B. (Given molar mass in g mol

^{-1}

H : 1, C : 12, N :14, O :16, Br : 80)

(A)301
(B)146
(C)228
(D)208

Q18·ChemistrySingle correctJEE Main 2026

A student has been given a compound “x” of molecular formula – C

_{6}

H

_{7}

N. ‘x’ is sparingly soluble in water. However, on addition of dilute mineral acid , ‘x’ becomes soluble in water. ‘x’ when treated with CHCl

_{3}

and KOH (alc.) ‘y’ is produced. ‘y’ has a specific unpleasant smell. On treatment with benzenesulphonyl chloride, ‘x’ gives a compound ‘z’ which is soluble in alkali. The number of different “H” atoms present in ‘z’ is:-

(A)5
(B)8
(C)4
(D)7

Q19·ChemistrySingle correctJEE Main 2026

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below

(A)Both Statement I and Statement II are false
(B)Statement I is true but Statement II is false
(C)Both Statement I and Statement II are true
(D)Statement I is false but Statement II is true

Q20·ChemistrySingle correctJEE Main 2026

The final product [B] is :

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q21·ChemistryNumericalJEE Main 2026

The mass of benzanilide obtained from the benzoylation reaction of 5.8 g of aniline, if yield of product is 82%, is__________g (nearest integer). (Given molar mass in g

mol^{-1}

H:1, C:12, N:14, O:16)

Q22·ChemistrySingle correctJEE Main 2026

A hydrocarbon 'P' (

C_4H_8

) on reaction with HCl gives an optically active compound 'Q' (

C_4H_9Cl

) which on reaction with one mole of ammonia gives compound 'R' (

C_4H_{11}N

). 'R' on diazotization followed by hydrolysis gives 'S'. Identify P, Q, R and S.

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q23·ChemistryNumericalJEE Main 2026

Consider the following reaction sequence The percentage of nitrogen in product ‘T’ formed is ________%. (Nearest integer) (Given molar mass in g mol

^{-1}

H:1, C:12, N:14, O:16)

Q24·ChemistryMultiple correctJEE Advanced 2025

For the reaction sequence given below, the correct statement(s) is(are)

(A)Both X and Y are oxygen containing compounds.
(B)Y on heating with CHCl $_{3}$ /KOH forms isocyanide.
(C)Z reacts with Hinsberg's reagent.
(D)Z is an aromatic primary amine.

Q25·ChemistrySingle correctJEE Advanced 2025

The major products obtained from the reactions in List-II are the reactants for the named reactions mentioned in List-I. Match each entry in List-I with the appropriate entry in List-II and choose the correct option.

List-I	List-II
P.Stephen reaction	1.see figure
Q.Sandmeyer reaction	2.see figure
R.Hoffmann bromamide degradation reaction	3.see figure
S.Cannizzaro reaction	4.see figure
	5.see figure

(A)P → 2; Q → 4; R → 1: S → 3
(B)P → 2; Q → 3; R → 4: S → 1
(C)P → 5; Q → 3; R → 4: S → 2
(D)P → 5; Q → 4; R → 2: S → 1

Q26·ChemistrySingle correctJEE Main 2025

Which of the following amine(s) show(s) positive carbylamines test? (A)

C_6H_5NH_2

(aniline) (B)

(CH_3)_2NH

(C)

CH_3NH_2

(D)

(CH_3)_3N

(E)

C_6H_5NHCH_3

(N-methylaniline). Choose the correct answer from the options given below:

(A)A and E Only
(B)C Only
(C)A and C Only
(D)B, C and D Only

Q27·ChemistrySingle correctJEE Main 2025

The descending order of basicity of the following amines is:

(A)B > E > D > A > C
(B)E > D > B > A > C
(C)E > D > A > B > C
(D)E > A > D > C > B

Q28·ChemistrySingle correctJEE Main 2025

The major product (A) formed when nitrobenzene is treated with the following reagents in sequence — (i) Sn, HCl; (ii) Ac

_2

O, Pyridine; (iii) Br

_2

, AcOH; (iv) NaOH(aq) — is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q29·ChemistrySingle correctJEE Main 2025

The correct order of basicity for the following molecules is:

(A) $P > Q > R$
(B) $R > P > Q$
(C) $Q > P > R$
(D) $R > Q > P$

Q30·ChemistrySingle correctJEE Main 2025

In the following reactions (shown in the figure), which one is NOT correct? Choose the correct option:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q31·ChemistrySingle correctJEE Main 2025

The sequence from the following that would result in giving predominantly 3, 4, 5-Tribromoaniline is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q32·ChemistrySingle correctJEE Main 2025

The correct order of basic nature in aqueous solution for the bases

NH_3

,

H_2N-NH_2

,

CH_3CH_2NH_2

,

(CH_3CH_2)_2NH

and

(CH_3CH_2)_3N

is:

(A) $NH_3<H_2N-NH_2<(CH_3CH_2)_2NH<CH_3CH_2NH_2<(CH_3CH_2)_3N$
(B) $NH_3<H_2N-NH_2<CH_3CH_2NH_2<(CH_3CH_2)_3N<(CH_3CH_2)_2NH$
(C) $H_2N-NH_2<NH_3<(CH_3CH_2)_3N<CH_3CH_2NH_2<(CH_3CH_2)_2NH$
(D) $H_2N-NH_2<NH_3<CH_3CH_2NH_2<(CH_3CH_2)_3N<(CH_3CH_2)_2NH$

Q33·ChemistryIntegerJEE Main 2025

Given below are some nitrogen containing compounds (structures shown in the figure). Each of them is treated with HCl separately. 1.0 g of the most basic compound will consume ______ mg of HCl. (Given molar mass in g mol

^{-1}

: C:12, H:1, O:16, Cl:35.5)

Q34·ChemistrySingle correctJEE Main 2025

The steam volatile compounds among the following are (structures (A), (B), (C), (D) shown in the figure). Choose the correct answer from the options given below:

(A)(B) and (D) only
(B)(A) and (C) only
(C)(A) and (B) only
(D)(A), (B) and (D) only

Q35·ChemistryIntegerJEE Main 2025

Consider the following sequence of reactions: Chlorobenzene

\xrightarrow{\text{(i) Mg, dry ether (ii) CO}_2\text{ (iii) H}_3\text{O}^+}

A

\xrightarrow{\text{Br}_2,\text{NaOH}}

B. 11.25 mg of chlorobenzene produces

x\times10^{-1}

mg of product B. (Consider the reactions result in complete conversion.) The value of x is ______. [Given molar mass of C, H, O, N and Cl as 12, 1, 16, 14 and 35.5 g mol

^{-1}

respectively]

Q36·ChemistrySingle correctJEE Main 2025

Identify correct statements: (A) Primary amines do not give diazonium salts when reacted with NaNO

_2

in acidic condition. (B) Aliphatic and aromatic primary amines on heating with CHCl

_3

and ethanolic KOH form carbylamines. (C) Secondary and tertiary amines also give carbylamine reaction. (D) Benzenesulfonyl chloride is known as Hinsberg's reagent. (E) Tertiary amines reacts with benzenesulfonyl chloride easily. Choose the correct answer from the options given below:

(A)(B) and (D) only
(B)(A) and (B) only
(C)(D) and (E) only
(D)(B) and (C) only

Q37·ChemistrySingle correctJEE Main 2025

For the reaction in which aniline is converted to o-bromoaniline (2-bromoaniline) as the major product, the correct order of set of reagents for the above conversion is :

(A) $Br_2\,|\,FeBr_3,\ H_2O(\Delta),\ NaOH$
(B) $H_2SO_4,\ Ac_2O,\ Br_2,\ H_2O(\Delta),\ NaOH$
(C) $Ac_2O,\ Br_2,\ H_2O(\Delta),\ NaOH$
(D) $Ac_2O,\ H_2SO_4,\ Br_2,\ NaOH$

Q38·ChemistrySingle correctJEE Main 2025

Which among the following react with Hinsberg's reagent? (A)

C_6H_5{-}NH_2

(2)

C_6H_5{-}N(CH_3)_2

(C)

CH_3{-}NH_2

(4)

N(CH_3)_3

(E)

C_6H_5{-}NH{-}C_6H_5

. Choose the correct answer from the options given below :

(A)B and D only
(B)C and D only
(C)A, B and E only
(D)A, C and E only

Q39·ChemistrySingle correctJEE Main 2025

Match List-I (Compound) with List-II (Catalyst/Reagents). Choose the correct answer from the options given below:

List-I (Compound)	List-II (Catalyst/Reagents)
A.see figure	I.NaOH (aqueous)
B.see figure	II. $H_2$ /Ni
C.see figure	III. $LiAlH_4$ , $H_2O$
D.see figure	IV.Sn, HCl

(A)(A)-(III), (B)-(II), (C)-(IV), (D)-(I)
(B)(A)-(II), (B)-(IV), (C)-(III), (D)-(I)
(C)(A)-(II), (B)-(I), (C)-(III), (D)-(IV)
(D)(A)-(III), (B)-(IV), (C)-(II), (D)-(I)

Q40·ChemistrySingle correctJEE Main 2024

Correct order of basic strength of Pyrrole, Pyridine and Piperidine is :

(A)Piperidine > Pyridine > Pyrrole
(B)Pyrrole > Pyridine > Piperidine
(C)Pyridine > Piperidine > Pyrrole
(D)Pyrrole > Piperidine > Pyridine

Q41·ChemistrySingle correctJEE Main 2024

Given below are two statements: Statement (I): All the following compounds react with p-toluenesulfonyl chloride.

\text{C}_6\text{H}_5\text{NH}_2

,

(\text{C}_6\text{H}_5)_2\text{NH}

,

(\text{C}_6\text{H}_5)_3\text{N}

. Statement (II): Their products in the above reaction are soluble in aqueous NaOH. In the light of the above statements, choose the correct answer from the options given below.

(A)Both Statement I and Statement II is false
(B)Statement I is true but Statement II is false
(C)Statement I is false but Statement II is true
(D)Both Statement I and Statement II is true

Q42·ChemistryNumericalJEE Main 2024

Number of amine compounds from the following giving solids which are soluble in NaOH upon reaction with Hinsberg's reagent is ___ (structures shown)

Q43·ChemistryNumericalJEE Main 2024

An amine (X) is prepared by ammonolysis of benzyl chloride. On adding p-toluenesulphonyl chloride to it the solution remains clear. Molar mass of the amine (X) formed is _______ g mol

^{-1}

. (Given molar mass in g mol

^{-1}

C : 12, H : 1, O : 16, N : 14)

Q44·ChemistryNumericalJEE Main 2024

From the following monohalobenzenes — fluorobenzene, chlorobenzene, bromobenzene, iodobenzene and astatobenzene — the number that can be prepared by Sandmeyer's reaction is ___.

Q45·ChemistryNumericalJEE Main 2024

9.3 g of pure aniline is treated with bromine water at room temperature to give a white precipitate of the product 'P'. The mass of product 'P' obtained is 26.4 g. The percentage yield is ___ %.

Q46·ChemistryNumericalJEE Main 2024

X g of ethanamine was subjected to reaction with

\text{NaNO}_2

/HCl, followed by hydrolysis to liberate

\text{N}_2

and HCl. The HCl generated was completely neutralised by 0.2 moles of NaOH. X is __________ g.

Q47·ChemistryNumericalJEE Main 2024

From 6.55 g of aniline, the maximum amount of acetanilide that can be prepared will be ______

\times10^{-1}

g.

Q48·ChemistryNumericalJEE Main 2024

X

g of ethylamine is subjected to reaction with

NaNO_2/HCl

followed by water; evolved dinitrogen gas which occupied

2.24\,L

volume at STP.

X

is ___

\times10^{-1}

g.

Q49·ChemistryNumericalJEE Main 2024

Phthalimide is made to undergo the following sequence of reactions: Phthalimide reacts with (i) KOH then (ii) Benzyl chloride to give product 'P'. Total number of

\pi

bonds present in product 'P' is/are ______.

Q50·ChemistrySingle correctJEE Main 2024

Given below are two statements: Statement (I): The

NH_2

group in Aniline is ortho and para directing and a powerful activating group. Statement (II): Aniline does not undergo Friedel-Craft's reaction (alkylation and acylation). In the light of the above statements, choose the most appropriate answer from the options given below:

(A)Both Statement I and Statement II are correct
(B)Both Statement I and Statement II are incorrect
(C)Statement I is incorrect but Statement II is correct
(D)Statement I is correct but Statement II is incorrect

Q51·ChemistryNumericalJEE Main 2024

Number of compounds which give reaction with Hinsberg's reagent is __________.

Q52·ChemistrySingle correctJEE Main 2024

Given below are two statements: Statement (I): Aminobenzene and aniline are same organic compounds. Statement (II): Aminobenzene and aniline are different organic compounds. In the light of the above statements, choose the most appropriate answer from the options given below:

(A)Both Statement I and Statement II are correct
(B)Statement I is correct but Statement II is incorrect
(C)Statement I is incorrect but Statement II is correct
(D)Both Statement I and Statement II are incorrect

Q53·ChemistrySingle correctJEE Main 2024

Identify A and B in the following reaction sequence (shown in the figure).

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q54·ChemistrySingle correctJEE Main 2024

Given below are two statements: Statement-I: Aniline reacts with conc. H

_2

SO

_4

followed by heating at 453-473 K gives p-aminobenzene sulphonic acid, which gives blood red colour in the 'Lassaigne's test'. Statement-II: In Friedel-Crafts alkylation and acylation reactions, aniline forms salt with the AlCl

_3

catalyst. Due to this, nitrogen of aniline acquires a positive charge and acts as deactivating group. In the light of the above statements, choose the correct answer from the options given below:

(A)Statement I is false but statement II is true
(B)Both statement I and statement II are false
(C)Statement I is true but statement II is false
(D)Both statement I and statement II are true

Q55·ChemistryNumericalJEE Main 2024

A compound (x) with molar mass 108 g mol

^{-1}

undergoes acetylation to give product with molar mass 192 g mol

^{-1}

. The number of amino groups in the compound (x) is ______.

Q56·ChemistrySingle correctJEE Main 2024

Following is a confirmatory test for aromatic primary amines. Identify reagent (A) and (B).

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q57·ChemistrySingle correctJEE Main 2024

The final product

A

, formed in the following multistep reaction sequence is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q58·ChemistrySingle correctJEE Main 2024

The products A and B formed in the following reaction scheme are respectively:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q59·ChemistrySingle correctJEE Main 2024

The product A formed in the following reaction is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q60·ChemistrySingle correctJEE Main 2024

The arenium ion which is not involved in the bromination of Aniline is

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q61·ChemistrySingle correctJEE Main 2024

Which of the following reaction is correct?

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q62·ChemistrySingle correctJEE Main 2024

Identify B formed in the reaction.

Cl–(CH_2)_4–Cl + \text{excess } NH_3 \longrightarrow A \xrightarrow{NaOH} B + H_2O + NaCl

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q63·ChemistrySingle correctJEE Main 2024

Which of the following is strongest Bronsted base?

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q64·ChemistryIntegerJEE Advanced 2023

The reaction of 4-methyloct-1-ene (

\mathbf{P}

, 2.52 g) with HBr in the presence of

(\mathrm{C_6H_5CO})_2\mathrm{O_2}

gives two isomeric bromides in a 9 : 1 ratio, with a combined yield of 50%. Of these, the entire amount of the primary alkyl bromide was reacted with an appropriate amount of diethylamine followed by treatment with aq.

\mathrm{K_2CO_3}

to give a non-ionic product

\mathbf{S}

in 100% yield. The mass (in mg) of

\mathbf{S}

obtained is ___. [Use molar mass (in g mol

^{-1}

): H = 1, C = 12, N = 14, Br = 80]

Q65·ChemistryNumericalJEE Advanced 2023

The total number of

sp^2

hybridised carbon atoms in the major product P (a non-heterocyclic compound) of the following reaction is ___.

Q66·ChemistrySingle correctJEE Main 2023

In the reaction given below,

'A'

is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q67·ChemistrySingle correctJEE Main 2023

In the reaction given below,

'B'

is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q68·ChemistryNumericalJEE Main 2023

For the substrate shown undergoing the reaction sequence (i) HBr(2eq)/H

_2

O

_2

; (ii) H

_2

/Pd,

\Delta

to give 'A', then a further multi-step sequence to give 'D' = C

_{13}

H

_{19}

NO

_4

I

_x

, the value of x in compound 'D' is _________.

Q69·ChemistrySingle correctJEE Main 2023

The incorrect statement regarding the reaction of the given secondary amine 'A' (shown) with

NaNO_2

and HX to give 'B' is

(A)The electrophile involved in the reaction is NO $^+$
(B)‘B’ is N-nitroso ammonium compound
(C)The reaction occurs at low temperature
(D)The product ‘B’ formed in the above reaction is p-nitroso compound at low temperature

Q70·ChemistrySingle correctJEE Main 2023

Isomeric amines with molecular formula C

_8

H

_{11}

N give the following tests. Isomer (P): can be prepared by Gabriel phthalimide synthesis. Isomer (Q): reacts with Hinsberg's reagent to give solid insoluble in NaOH. Isomer (R): reacts with HONO followed by

\beta

-naphthol in NaOH to give red dye. Isomers (P), (Q) and (R) respectively are

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q71·ChemistrySingle correctJEE Main 2023

In the reaction given in the figure, the product 'X' is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q72·ChemistrySingle correctJEE Main 2023

The major products

A

and

B

from the following reactions are:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q73·ChemistrySingle correctJEE Main 2023

The major product formed in the following reaction is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q74·ChemistrySingle correctJEE Main 2023

Compound

P

(M.F.

C_{11}H_{13}NO

) gives effervescence with

NaHCO_3

, while

R

reacts with Hinsberg's reagent to give a solid soluble in NaOH. Compound

P

is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q75·ChemistryNumericalJEE Main 2023

Number of isomeric aromatic amines with molecular formula

C_8H_{11}N

, which can be synthesized by Gabriel Phthalimide synthesis is ____.

Q76·ChemistrySingle correctJEE Main 2023

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A):

\alpha

-halocarboxylic acid on reaction with dil

NH_3

gives good yield of

\alpha

-amino carboxylic acid whereas the yield of amines is very low when prepared from alkyl halides. Reason (R): Amino acids exist in zwitter ion form in aqueous medium. In the light of the above statements, choose the correct answer from the options given below:

(A)Both (A) and (R) are correct and (R) is the correct explanation of (A)
(B)(A) is not correct but (R) is correct
(C)Both (A) and (R) are correct but (R) is not the correct explanation of (A)
(D)(A) is correct but (R) is not correct

Q77·ChemistrySingle correctJEE Main 2023

In the reaction shown in the figure, '

A

' is:

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q78·ChemistrySingle correctJEE Main 2023

Consider the following reaction and identify the product B.

Ph-NO_2 \xrightarrow[C_2H_5OH]{H_2/Pd} [A] \xrightarrow[Pyridine]{(CH_3CO)_2O} [B]

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q79·ChemistryNumericalJEE Main 2023

How many of the transformations given below would result in aromatic amines ?

Q80·ChemistrySingle correctJEE Main 2023

An organic compound [A] (

C_4H_{11}N

), shows optical activity and gives

N_2

gas on treatment with

HNO_2

. The compound [A] reacts with

PhSO_2Cl

producing a compound which is soluble in KOH.

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q81·ChemistrySingle correctJEE Main 2023

Benzyl isocyanide can be obtained by the reactions shown. Choose the correct answer from the options given below:

(A)A and D
(B)Only B
(C)B and C
(D)A and B

Q82·ChemistrySingle correctJEE Main 2023

Reaction of propanamide with

Br_2/KOH\,(aq)

produces:

(A)Propylamine
(B)Ethylnitrile
(C)Propanenitrile
(D)Ethylamine

Q83·ChemistrySingle correctJEE Main 2023

Match List I (Amines) with List II (

pK_b

values) and choose the correct answer from the options given below.

LIST I (Amines)	LIST II ($pK_b$)
A.Aniline	I.3.25
B.Ethanamine	II.3.00
C.N-Ethylethanamine	III.9.38
D.N,N-Diethylethanamine	IV.3.29

(A)A-III, B-IV, C-II, D-I
(B)A-III, B-II, C-I, D-IV
(C)A-I, B-IV, C-II, D-III
(D)A-III, B-II, C-IV, D-I

Q84·ChemistrySingle correctJEE Main 2023

The correct order in aqueous medium of basic strength in case of methyl substituted amines is:

(A) $Me_3N > Me_2NH > MeNH_2 > NH_3$
(B) $Me_2NH > MeNH_2 > Me_3N > NH_3$
(C) $Me_3N > Me_2NH > NH_3 > MeNH_2$
(D) $NH_3 > Me_3N > Me_2NH > MeNH_2$

Q85·ChemistrySingle correctJEE Main 2023

Given below are two statements: Statement I: Pure Aniline and other arylamines are usually colourless. Statement II: Arylamines get coloured on storage due to atmospheric reduction. In the light of the above statements, choose the most appropriate answer from the options given below:

(A)Both Statement I and Statement II are incorrect
(B)Statement I is incorrect but Statement II is correct
(C)Statement I is correct but Statement II is incorrect
(D)Both Statement I and Statement II are correct

Q86·ChemistrySingle correctJEE Main 2022

Consider the above reaction, the compound 'A' is :

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q87·ChemistrySingle correctJEE Main 2022

Which among the following is the strongest Bronsted base ?

(A)Aldrin and Dieldrin
(B)Sodium chlorate and Aldrin
(C)Sodium arsinate and Dieldrin
(D)Sodium chlorate and sodium arsinite.

Q88·ChemistrySingle correctJEE Main 2022

The Hinsberg reagent is :

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q89·ChemistrySingle correctJEE Main 2022

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Aniline on nitration yields ortho, meta & para nitro derivatives of aniline. Reason R: Nitrating mixture is a strong acidic mixture. In the light of the above statements, choose the correct answer from the options given below

(A)Both A and R are true and R is the correct explanation of A
(B)Both A and R are true but R is NOT the correct explanation of A
(C)A is true but R is false
(D)A is false but R is true

Q90·ChemistrySingle correctJEE Main 2022

Identify the correct statement for the below given transformation.

(A)A - CH $_3$ CH $_2$ CH = CH–CH $_3$ , B – CH $_3$ CH $_2$ CH $_2$ CH = CH $_2$ , Saytzeff products
(B)A - CH $_3$ CH $_2$ CH = CH–CH $_3$ , B – CH $_3$ CH $_2$ CH $_2$ CH = CH $_2$ , Hafmann products
(C)A - CH $_3$ CH $_2$ CH $_2$ CH = CH $_2$ , B – CH $_3$ CH $_2$ CH = CHCH $_3$ , Hofmann products
(D)A - CH $_3$ CH $_2$ CH $_2$ CH = CH $_2$ , B – CH $_3$ CH $_2$ CH = CHCH $_3$ , Saytzeff products

Q91·ChemistrySingle correctJEE Main 2022

An organic compound 'A' contains nitrogen and chlorine. It dissolves readily in water to give a solution that turns litmus red. Titration of compound 'A' with standard base indicates that the molecular weight of 'A' is 131 ± 2. When a sample of 'A' is treated with aq. NaOH, a liquid separates which contains N but not Cl. Treatment of the obtained liquid with nitrous acid followed by phenol gives orange precipitate. The compound 'A' is :

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q92·ChemistrySingle correctJEE Main 2022

Match List I with List II Choose the correct answer from the options given below:

List I	List II
A.Benzenesulphonyl chloride	I.Test for primary amines
B.Hoffmann bromamide reaction	II.Anti Saytzeff
C.Carbylamine reaction	III.Hinsberg reagent
D.Hoffmann orientation	IV.Known reaction of Isocyanates.

(A)A-IV, B –III, C-II, D-I
(B)A-IV, B –II, C-I, D-III
(C)A-III, B –IV, C-I, D-II
(D)A-IV, B –III, C-I, D-II

Q93·ChemistrySingle correctJEE Main 2022

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Experimental reaction of CH

_3

Cl with aniline and anhydrous AlCl

_3

does not give o and p-methylaniline. Reason (R) : The — NH

_2

group of aniline becomes deactivating because of salt formation with anhydrous AlCl

_3

and hence yields m-methyl aniline as the product. In the light of the above statements, choose the most appropriate answer from the options given below :

(A)Both (A) and (R) are true and (R) is the correct explanation of (A).
(B)Both (A) and (R) are true but (R) is not the correct explanation of (A).
(C)(A) is true, but (R) is false.
(D)(A) is false, but (R) is true.

Q94·ChemistrySingle correctJEE Main 2022

An organic compound 'A' on reaction with

NH_{3}

followed by heating gives compound B. Which on further strong heating gives compound C (

C_{8}H_{5}NO_{2}

). Compound C on sequential reaction with ethanolic KOH, alkyl chloride and hydrolysis with alkali gives a primary amine. The compound A is :

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q95·ChemistrySingle correctJEE Main 2022

In Friedel-Crafts alkylation of aniline, one gets :

(A)alkylated product with ortho and para substitution.
(B)secondary amine after acidic treatment.
(C)an amide product.
(D)positively charged nitrogen at benzene ring.

Q96·ChemistrySingle correctJEE Main 2022

Consider the above reaction, the product A and product B respectively are

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q97·ChemistrySingle correctJEE Main 2022

With respect to the following reaction, consider the given statements : (A) o-Nitroaniline and p-nitroaniline are the predominant products (B) p-Nitroaniline and m-nitroaniline are the predominant products (C) HNO

_3

acts as an acid (D) H

_2

SO

_4

acts as an acid

(A)(A) and (C) are correct statements.
(B)(A) and (D) are correct statements.
(C)(B) and (D) are correct statements.
(D)(B) and (C) are correct statements.

Q98·ChemistrySingle correctJEE Main 2022

A primary aliphatic amine on reaction with nitrous acid in cold (273 K) and there after raising temperature of reaction mixture to room temperature (298 K). Gives a/an

(A)nitrile
(B)alcohol
(C)diazonium salt
(D)secondary amine

Q99·ChemistrySingle correctJEE Main 2022

Given below are two statements: Statements-I : In Hofmann degradation reaction, the migration of only an alkyl group takes place from carbonyl carbon of the amide to the nitrogen atom. Statement-II : The group is migrated in Hofmann degradation reaction to electron deficient atom. In the light of the above statement, choose the most appropriate answer from the options given below:

(A)Both Statement-I and Statement-II are correct
(B)Both Statement-I and Statement-II are incorrect
(C)Statement-I is correct but Statement-II is incorrect
(D)Statement-I is incorrect but Statement-II is correct

Q100·ChemistrySingle correctJEE Main 2022

Decarboxylation of all six possible forms of diaminobenzoic acids C

_6

H

_3

(NH

_2

)

_2

COOH yields three products A, B and C. Three acids give a product 'A', two acids gives a product 'B' and one acid give a product 'C'. The melting point of product 'C' is

(A)63 $^{\circ}$ C
(B)90 $^{\circ}$ C
(C)104 $^{\circ}$ C
(D)142 $^{\circ}$ C

Q101·ChemistrySingle correctJEE Main 2022

Which statement is NOT correct for p-toluenesulphonyl chloride?

(A)It is known as Hinsberg's reagent.
(B)It is used to distinguish primary and secondary amines.
(C)On treatment with secondary amine, it leads to a product, that is soluble in alkali.
(D)It doesn't react with tertiary amines.

Q102·ChemistrySingle correctJEE Main 2022

The reaction of

R-\underset{\substack{\parallel \\ O}}{C}-NH_2

with bromine and KOH gives

RNH_2

as the end product. Which one of the following is the intermediate product formed in this reaction ?

(A) $R-\underset{\substack{\parallel \\ O}}{C}-NH-Br$
(B) $R-NH-Br$
(C) $R-N=C=O$
(D) $R-\underset{\substack{\parallel \\ O}}{C}-NBr_2$

Q103·ChemistrySingle correctJEE Main 2022

The major product of the above reaction is

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q104·ChemistrySingle correctJEE Main 2022

The conversion of propan-1-ol to n-butylamine involves the sequential addition of reagents. The correct sequential order of reagents is.

(A)(i) SOCl $_2$ (ii) KCN (iii) H $_2$ /Ni,Na(Hg)/C $_2$ H $_5$ OH
(B)(i) HCl (ii) H $_2$ /Ni, Na(Hg)/C $_2$ H $_5$ OH
(C)(i) SOCl $_2$ (ii) KCN (iii) CH $_3$ NH $_2$
(D)(i) HCl (ii) CH $_3$ NH $_2$

Q105·ChemistryMultiple correctJEE Advanced 2021

Correct option(s) for the following sequence of reactions is(are)

(A) $\mathbf{Q}$ = KNO $_{2}$ , $\mathbf{W}$ = LiAlH $_{4}$
(B) $\mathbf{R}$ = benzenamine, $\mathbf{V}$ = KCN
(C) $\mathbf{Q}$ = AgNO $_{2}$ , $\mathbf{R}$ = phenylmethanamine
(D) $\mathbf{W}$ = LiAlH $_{4}$ , $\mathbf{V}$ = AgCN

Q106·ChemistrySingle correctJEE Main 2021

Identify A in the following reaction.

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q107·ChemistryNumericalJEE Main 2021

The total number of reagents from those given below, that can convert nitrobenzene into aniline is __. (Integer answer) I. Sn

-

HCl II. Sn

-

\mathrm{NH_4OH}

III. Fe

-

HCl IV. Zn

-

HCl V.

\mathrm{H_2}

-

Pd VI.

\mathrm{H_2}

-

Raney Nickel

Q108·ChemistrySingle correctJEE Main 2021

Identify correct A, B and C in the reaction sequence given below :

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q109·ChemistrySingle correctJEE Main 2021

The major products A and B in the following set of reactions are :

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q110·ChemistrySingle correctJEE Main 2021

The major products A and B formed in the following reaction sequence are :

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q111·ChemistrySingle correctJEE Main 2021

The major product of the following reaction is :

(A) $\mathrm{CH_3-}\underset{\mathrm{CH_3}}{\underset{|}{\mathrm{CH}}}\mathrm{-}\overset{\mathrm{Br}}{\overset{|}{\mathrm{CH}}}\mathrm{-CH_2OH}$
(B) $\mathrm{CH_3-}\underset{\mathrm{CH_3}}{\underset{|}{\mathrm{CH}}}\mathrm{-CH_2-CH_2-CH_2OH}$
(C) $\mathrm{CH_3-}\underset{\mathrm{CH_3}}{\underset{|}{\mathrm{CH}}}\mathrm{-CH_2-CH_2OH}$
(D) $\mathrm{CH_3-}\underset{\mathrm{CH_3}}{\underset{|}{\mathrm{CH}}}\mathrm{-CH_2-CH_2-Cl}$

Q112·ChemistrySingle correctJEE Main 2021

Which of the following is not a correct statement for primary aliphatic amines?

(A)The intermolecular association in primary amines is less than the intermolecular association in secondary amines.
(B)Primary amines on treating with nitrous acid solution form corresponding alcohols except methyl amine.
(C)Primary amines are less basic than the secondary amines.
(D)Primary amines can be prepared by the Gabriel phthalimide synthesis.

Q113·ChemistrySingle correctJEE Main 2021

The correct structures of A and B formed in the following reactions are :

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q114·ChemistrySingle correctJEE Main 2021

The major product in the above reaction is :

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q115·ChemistrySingle correctJEE Main 2021

Given below are two statements: Statement I: Aniline is less basic than acetamide. Statement II: In aniline, the lone pair of electrons on nitrogen atom is delocalised over benzene ring due to resonance and hence less available to a proton. Choose the most appropriate option:

(A)Statement I is true but statement II is false.
(B)Statement I is false but Statement II is true
(C)Both Statement I and Statement II are true.
(D)Both Statement I and Statement II are false.

Q116·ChemistrySingle correctJEE Main 2021

What is A in the following reaction?

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q117·ChemistryNumericalJEE Main 2021

In gaseous triethyl amine the "– C – N – C –" bond angle is ____________ degree.

Q118·ChemistrySingle correctJEE Main 2021

Which one of the products of the following reactions does not react with Hingberg reagent to form sulphonamide?

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q119·ChemistrySingle correctJEE Main 2021

What is the major product "P" of the following reaction?

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q120·ChemistrySingle correctJEE Main 2021

Which one of the following compounds will liberate

CO_2

, when treated with

NaHCO_3

?

(A) $(CH_3)_4\overset{\oplus}{N}\,\overset{\ominus}{O}H$
(B) $CH_3NH_2$
(C) $(CH_3)_3\overset{\oplus}{N}H\,\overset{\ominus}{Cl}$
(D) $CH_3-CO-NH_2$

Q121·ChemistrySingle correctJEE Main 2021

Given below are two statements, one is labelled as Assertion (A) and other is labelled as Reason (R) Assertion (A): Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines. Reason (R): Aryl halides do not undergo nucleophilic substitution reaction. In the light of the above statements, choose the correct answer from the options given below:

(A)Both (A) and (R) are true and (R) is correct explanation of (A).
(B)(A) is false but (R) is true.
(C)(A) is true but (R) is false
(D)Both (A) and (R) are true but (R) is not the correct explanation of (A).

Q122·ChemistrySingle correctJEE Main 2021

Which one of the following reactions does not occur?

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q123·ChemistrySingle correctJEE Main 2021

Compound A is converted to B on reaction with

CHCl_3

and KOH. The compound B is toxic and can be decomposed by C. A, B and C respectively are:

(A)Primary amine, nitrile compound, conc. HCl
(B)Primary amine, isonitrile compound , conc. HCl
(C)Secondary amine, isonitrile compound, conc NaOH
(D)Secondary amine, nitrile compound, conc. NaOH

Q124·ChemistrySingle correctJEE Main 2021

In the above reactions, product A and product B respectively are:

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q125·ChemistryNumericalJEE Main 2021

A reaction of 0.1 mole of Benzylamine with bromomethane gave 23 g of Benzyl trimethyl ammonium bromide. The number of moles of bromomethane consumed in this reaction are n × 10

^{-1}

, when n = ______. (Round off to the Nearest Integer). (Given : Atomic masses : C : 12.0 u, H : 1.0 u, N : 14.0 u, Br : 80.0 u]

Q126·ChemistrySingle correctJEE Main 2021

Consider the given reaction, percentage yield of :

(A)C > A > B
(B)B > C > A
(C)A > C > B
(D)C > B > A

Q127·ChemistrySingle correctJEE Main 2021

An organic compound "A" on treatment with benzene sulphonyl chloride gives compound B. B is soluble in dil. NaOH solution. Compound A is :

(A)C $_{6}$ H $_{5}$ –N–(CH $_{3}$ ) $_{2}$
(B)C $_{6}$ H $_{5}$ –NHCH $_{2}$ CH $_{3}$
(C)C $_{6}$ H $_{5}$ –CH $_{2}$ NHCH $_{3}$
(D)C $_{6}$ H $_{5}$ –CH(CH $_{3}$ )–NH $_{2}$

Q128·ChemistrySingle correctJEE Main 2021

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

(A)CO $_{3}^{2-}$
(B)HCO $_{3}^{-}$
(C)CO $_{2}$
(D)CO

Q129·ChemistrySingle correctJEE Main 2021

Which of the following reaction is an example of ammonolysis?

(A) $\mathrm{C_6H_5COCl + C_6H_5NH_2 \longrightarrow C_6H_5CONHC_6H_5}$
(B) $\mathrm{C_6H_5CH_2CN \xrightarrow{[H]} C_6H_5CH_2CH_2NH_2}$
(C) $\mathrm{C_6H_5NH_2 \xrightarrow{HCl} C_6H_5\overset{+}{N}H_3Cl^-}$
(D) $\mathrm{C_6H_5CH_2Cl + NH_3 \longrightarrow C_6H_5CH_2NH_2}$

Q130·ChemistrySingle correctJEE Main 2021

Hoffmann bromomide degradation of benzamide gives product A, which upon heating with

\mathrm{CHCl_3}

and NaOH gives product B. The structures of A and B are :

(A)(1)
(B)(2)
(C)(3)
(D)(4)

Q131·ChemistrySingle correctJEE Main 2021

Primary, secondary and tertiary amines can be separated using :-

(A)Para-Toluene sulphonyl chloride
(B)Chloroform and KOH
(C)Benzene sulphonic acid
(D)Acetyl amide

Q132·ChemistrySingle correctJEE Main 2021

Ammonolysis of Alkyl halides followed by the treatment with NaOH solution can be used to prepare primary, secondary and tertiary amines. The purpose of NaOH in the reaction is :

(A)to remove basic impurities
(B)to activate NH $_{3}$ used in the reaction
(C)to remove acidic impurities
(D)to increase the reactivity of alkyl halide

Q133·ChemistrySingle correctJEE Main 2021

Which of the following is least basic ?

(A)(CH $_{3}$ CO) $\ddot{\mathrm{N}}$ HC $_{2}$ H $_{5}$
(B)(C $_{2}$ H $_{5}$ ) $_{3}\ddot{\mathrm{N}}$
(C)(CH $_{3}$ CO) $_{2}\ddot{\mathrm{N}}$ H
(D)(C $_{2}$ H $_{5}$ ) $_{2}\ddot{\mathrm{N}}$ H

Q134·ChemistrySingle correctJEE Main 2021

A. Phenyl methanamine B. N, N-Dimethylaniline C. N-Methyl aniline D. Benzenamine Choose the correct order of basic nature of the above amines.

(A)D > C > B > A
(B)D > B > C > A
(C)A > C > B > D
(D)A > B > C > D

Q135·ChemistrySingle correctJEE Main 2021

An amine on reaction with benzenesulphonyl chloride produces a compound insoluble in alkaline solution. This amine can be prepared by ammonolysis of ethyl chloride. The correct structure of amine is :

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q136·ChemistrySingle correctJEE Main 2021

Carbylamine test is used to detect the presence of primary amino group in an organic compound. Which of the following compound is formed when this test is performed with aniline ? CONH2NC NHCH

^{3}

CN

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q137·ChemistrySingle correctJEE Main 2021

^{288K}

NO2 NO2 (A) (B) (C) Correct statement about the given chemical reaction is :

(A)Reaction is possible and compound (A) will be major product.
(B)The reaction will form sulphonated product instead of nitration. ¨
(C)— N H $_{2}$ group is ortho and para directive, so product (B) is not possible.
(D)Reaction is possible and compound (B) will be the major product.

Q138·ChemistrySingle correctJEE Main 2021

Which of the following reaction/s will not give p-aminoazobenzene?

(A)B only
(B)A and B
(C)C only
(D)A only

Q139·ChemistrySingle correctJEE Main 2021

In the following reaction the reason why meta−nitro product also formed is:

(A)Formation of anilinium ion
(B) $\mathrm{-NO_2}$ substitution always takes place at meta−position
(C)low temperature
(D) $\mathrm{-NH_2}$ group is highly meta−directive

Q140·ChemistryNumericalJEE Main 2021

The total number of amines among the following which can be synthesized by Gabriel synthesis is _________.

Q141·ChemistryNumericalJEE Main 2021

1.86 g of aniline completely reacts to form acetanilide. 10% of the product is lost during purificatiion. Amount of acetanilide obtained after purification (in g) is ____×

10^{-2}

.

Q142·ChemistryMultiple correctJEE Advanced 2020

Consider the following four compounds I, II, III, and IV. Choose the correct statement(s).

(A)The order of basicity is II > I > III > IV.
(B)The magnitude of $pK_{b}$ difference between I and II is more than that between III and IV.
(C)Resonance effect is more in III than in IV.
(D)Steric effect makes compound IV more basic than III.

Q143·ChemistrySingle correctJEE Main 2020

The increasing order of

pK_b

values of the following compounds is:

(A)II < IV < III < I
(B)I < II < IV < III
(C)II < I < III < IV
(D)I < II < III < IV

Q144·ChemistrySingle correctJEE Main 2020

Which of the following compounds can e prepared in good yield by Gabriel phthalimide synthesis?

(A)(A)
(B)CH $_3$ –CH $_2$ –NHCH $_3$
(C)(C)
(D)(D)

Q145·ChemistrySingle correctJEE Main 2020

The most appropriate reagent for conversion of

C_2H_5CN

into

CH_3CH_2CH_2NH_2

is:

(A) $CaH_2$
(B) $Na(CN)BH_3$
(C) $LiAlH_4$
(D) $NaBH_4$

Q146·ChemistrySingle correctJEE Main 2020

Three isomers A, B and C (mol. formula C

_{8}

H

_{11}

N) give the following results: R has lower boiling point than S B

\xrightarrow{\text{C}_{6}\text{H}_{5}\text{SO}_{2}\text{Cl}}

alkali – insoluble product A, B and C, respectively are:

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q147·ChemistrySingle correctJEE Main 2020

Consider the following reactions: The compound[P] is

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q148·ChemistrySingle correctJEE Main 2020

The decreasing order of basicity of the following amines is

(A)(III) > (I) > (II) > (IV)
(B)(II) > (III) > (IV) > (I)
(C)(I) > (III) > (IV) > (II)
(D)(III) > (II) > (I) > (IV)

Q149·ChemistrySingle correctJEE Main 2020

In the following reaction sequence The major product B is

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q150·ChemistrySingle correctJEE Main 2020

The increasing order of pK

_b

for the following compounds will be (a) NH

_2

-CH=NH

_2

(b) [structure shown] (c) CH

_3

NHCH

_3

(A)b < c < a
(B)c < a < b
(C)b < a < c
(D)a < b < c

Q151·ChemistrySingle correctJEE Main 2019

Which of the following is NOT a correct method of the preparation of benzylamine from cyanobenzene?

(A)(i) HCl/H $_2$ O (ii) NaBH $_4$
(B)(i) LiAlH $_4$ (ii) H $_3$ O+
(C)(i) SnCl $_2$ + HCl(gas) (ii) NaBH $_4$
(D)H $_2$ /Ni

Q152·ChemistrySingle correctJEE Main 2019

The major product of the following reaction is CH

_3

CH(OH)CH

_2

CH

_2

NH

_2

\xrightarrow{\text{ethyl formate (1 equiv.), triethylamine}}

(A)CH $_3$ CH(OH)CH=CH $_2$
(B)HCO-O-CH(CH $_3$ )CH $_2$ CH $_2$ NH $_2$
(C)CH $_3$ CH=CH-CH $_2$ NH $_2$
(D)CH $_3$ CH(OH)CH $_2$ CH $_2$ NHCHO

Q153·ChemistrySingle correctJEE Main 2019

Ethylamine (

C_2H_5NH_2

) can be obtained from N-ethylphthalimide on treatment with:

(A) $CaH_2$
(B) $H_2O$
(C) $NaBH_4$
(D) $NH_2NH_2$

Q154·ChemistrySingle correctJEE Main 2019

Hinsberg's reagent is:

(A)C $_6$ H $_5$ SO $_2$ Cl
(B)C $_6$ H $_5$ COCl
(C)SOCl $_2$
(D)(COCl) $_2$

Q155·ChemistrySingle correctJEE Main 2019

Which of the following amines can be prepared by Gabriel phthalimide reaction?

(A)t – butylamine
(B)n – butylamine
(C)neo – pentylamine
(D)triethylamine

Q156·ChemistrySingle correctJEE Main 2019

The major product obtained in the following reactions is"

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q157·ChemistrySingle correctJEE Main 2019

In the following compounds, the decreasing order of basic strength will be:

(A) $C_2H_5NH_2 > NH_3 > (C_2H_5)_2NH$
(B) $NH_3 > C_2H_5NH_2 > (C_2H_5)_2NH$
(C) $(C_2H_5)_2NH > C_2H_5NH_2 > NH_3$
(D) $(C_2H_5)_2NH > NH_3 > C_2H_5NH_2$

Q158·ChemistrySingle correctJEE Main 2019

The major product of the following reaction is:

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q159·ChemistrySingle correctJEE Main 2019

The increasing order of reactivity of the following compounds towards reaction with alkyl halide directly is:

(A)(b) < (a) < (c) < (d)
(B)(a) < (b) < (c) < (d)
(C)(b) < (a) < (d) < (c)
(D)(a) < (c) < (d) < (b)

Q160·ChemistrySingle correctJEE Main 2019

The major product of the following reaction is:

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q161·ChemistrySingle correctJEE Main 2019

A compound 'X' on treatment with Br

_2

/NaOH, provided C

_3

H

_9

N, which gives positive carbylamine test. Compound 'X' is:

(A)CH $_3$ COCH $_2$ NHCH $_3$
(B)CH $_3$ CH $_2$ COCH $_2$ NH $_2$
(C)CH $_3$ CH $_2$ CH $_2$ CONH $_2$
(D)CH $_3$ CON(CH $_3$ ) $_2$

Q162·ChemistrySingle correctJEE Main 2019

The major product obtained in the following reaction is:

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q163·ChemistrySingle correctJEE Main 2019

The increasing basicity order of the following compounds is (1) CH

_3

CH

_2

NH

_2

(2) CH

_3

CH

_2

NH-CH

_2

CH

_3

(3) (CH

_3

)

_3

N (4) Ph-N(CH

_3

)-H

(A)(4) < (3) < (2) < (1)
(B)(4) < (3) < (1) < (2)
(C)(1) < (2) < (3) < (4)
(D)(1) < (2) < (4) < (3)

Q164·ChemistrySingle correctJEE Advanced 2018

PARAGRAPH "A" An organic acid P (

C_{11}H_{12}O_{2}

) can easily be oxidized to a dibasic acid which reacts with ethylene glycol to produce a polymer dacron. Upon ozonolysis, P gives an aliphatic ketone as one of the products. P undergoes the following reaction sequences to furnish R via Q. The compound P also undergoes another set of reactions to produce S. S

\xleftarrow{}

[1)

H_{2}

/Pd−C, 2)

NH_{3}

/

\Delta

, 3)

Br_{2}

/NaOH, 4)

CHCl_{3}

, KOH,

\Delta

, 5)

H_{2}

/Pd−C] P

\xrightarrow{}

[1)

H_{2}

/Pd−C, 2)

SOCl_{2}

, 3) MeMgBr,

CdCl_{2}

, 4)

NaBH_{4}

] Q

\xrightarrow{}

[1) HCl, 2) Mg/

Et_{2}O

, 3)

CO_{2}

(dry ice), 4)

H_{3}O^{+}

] R (There are two questions based on PARAGRAPH "A", the question given below is one of them) The compound S is

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q165·ChemistryNumericalJEE Advanced 2018

In the following reaction sequence, the amount of D (in g) formed from 10 moles of acetophenone is ____. (Atomic weights in g

mol^{-1}

: H = 1, C = 12, N = 14, O = 16, Br = 80. The yield (%) corresponding to the product in each step is given in the parenthesis)

Q166·ChemistryMultiple correctJEE Advanced 2018

Aniline reacts with mixed acid (conc.

HNO_{3}

and conc.

H_{2}SO_{4}

) at 288 K to give P (51%), Q (47%) and R(2%). The major product(s) of the following reaction sequence is (are) R

\xrightarrow{\text{(1) Ac}_{2}\text{O, pyridine; (2) Br}_{2}\text{, CH}_{3}\text{CO}_{2}\text{H; (3) H}_{3}\text{O}^{+}\text{; (4) NaNO}_{2}\text{, HCl/273--278 K; (5) EtOH, }\Delta}

S

\xrightarrow{\text{(1) Sn/HCl; (2) Br}_{2}\text{/H}_{2}\text{O (excess); (3) NaNO}_{2}\text{, HCl/273--278 K; (4) H}_{3}\text{PO}_{2}}

major product(s)

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q167·ChemistrySingle correctJEE Advanced 2017

The order of basicity among the following compound is

(A)II > I > IV > III
(B)IV > II > III > I
(C)IV > I > II > III
(D)I > IV > III > II

Q168·ChemistrySingle correctJEE Advanced 2016

Treatment of compound O with

KMnO_{4}/H^{+}

gave P, which on heating with ammonia gave Q. The compound Q on treatment with

Br_{2}

/NaOH produced R. On strong heating, Q gave S, which on further treatment with ethyl 2-bromopropanoate in the presence of KOH followed by acidification, gave a compound T. The compound R is

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q169·ChemistrySingle correctJEE Advanced 2016

Treatment of compound O with

KMnO_{4}/H^{+}

gave P, which on heating with ammonia gave Q. The compound Q on treatment with

Br_{2}

/NaOH produced R. On strong heating, Q gave S, which on further treatment with ethyl 2-bromopropanoate in the presence of KOH followed by acidification, gave a compound T. The compound T is

(A)glycine
(B)alanine
(C)valine
(D)serine

Q170·ChemistryMultiple correctJEE Advanced 2015

The major product of the reaction is

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q171·ChemistryMultiple correctJEE Advanced 2015

In the following reactions, the product

\mathbf{S}

is

(A)(A)
(B)(B)
(C)(C)
(D)(D)

Q172·ChemistrySingle correctJEE Advanced 2014

Match the four starting materials (P, Q, R, S) given in List I with the corresponding reaction schemes (I, II, III, IV) provided in List II and select the correct answer using the code given below the lists.

List-I	List-II
P.see figure	1.Scheme I: ? $\xrightarrow[\text{(iii) } \mathrm{SOCl_2}\ \text{(iv) } \mathrm{NH_3}]{\text{(i) } \mathrm{KMnO_4},\ \mathrm{HO^-},\ \text{heat (ii) } \mathrm{H^+},\ \mathrm{H_2O}}$ $\mathrm{C_7H_6N_2O_3}$
Q.see figure	2.Scheme II: ? $\xrightarrow[\text{(iv) } \mathrm{HNO_3}\ \text{(v) dil. } \mathrm{H_2SO_4},\ \text{heat (vi) } \mathrm{HO^-}]{\text{(i) Sn/HCl (ii) } \mathrm{CH_3COCl}\ \text{(iii) conc. } \mathrm{H_2SO_4}}$ $\mathrm{C_6H_6N_2O_2}$
R.see figure	3.Scheme III: ? $\xrightarrow[\text{(iii) } \mathrm{H_2S.NH_3}\ \text{(iv) } \mathrm{NaNO_2},\ \mathrm{H_2SO_4}\ \text{(v) hydrolysis}]{\text{(i) red hot iron, 873 K (ii) fuming } \mathrm{HNO_3},\ \mathrm{H_2SO_4},\ \text{heat}}$ $\mathrm{C_6H_5NO_3}$
S.see figure	4.Scheme IV: ? $\xrightarrow[\text{(ii) conc. } \mathrm{HNO_3},\ \text{conc. } \mathrm{H_2SO_4}\ \text{(iii) dil. } \mathrm{H_2SO_4},\ \text{heat}]{\text{(i) conc. } \mathrm{H_2SO_4},\ 60^\circ\mathrm{C}}$ $\mathrm{C_6H_5NO_4}$

(A)P-1, Q-4, R-2, S-3
(B)P-3, Q-1, R-4, S-2
(C)P-3, Q-4, R-2, S-1
(D)P-4, Q-1, R-3, S-2

Q173·ChemistryMultiple correctJEE Advanced 2014

In the reaction shown below, the major product(s) formed is/are

(A)(A)
(B)(B)
(C)(C)
(D)(D)

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