Compounds Containing Nitrogen — JEE Main PYQs

A hydrocarbon 'P' $\left({\mathrm{C}}_4{\mathrm{H}}_8\right)$ on reaction with HCl gives an optically active compound 'Q' $\left({\mathrm{C}}_4{\mathrm{H}}_9\mathrm{Cl}\right)$ which on reaction with one mole of ammonia gives compound 'R' …

An organic compound (P) on treatment with aqueous ammonia under hot condition forms compound (Q) which on heating with ${\mathrm{Br}}_2$ and KOH forms compound (R) having molecular formula ${\mathrm{C}}_7{\mathrm{H}}_9\mathrm{N}$. Names of $\mathrm{P},\mathrm{Q}$ and R …

Consider the following reaction sequence

The percentage of nitrogen in product 'T' formed is _____ %. (Nearest integer)

(Given molar mass in $\mathrm{g}{\mathrm{mol}}^{-1}$ H: 1, C: 12, N: 14, O: 16)

'A' is a neutral organic compound (M. F : ${\mathrm{C}}_8{\mathrm{H}}_9\mathrm{ON}$ ). On treatment with aqueous ${\mathrm{Br}}_2/{\mathrm{HO}}^{(-)}$, 'A' forms a compound ' B ' which is soluble in dilute acid. ' B ' on treatment with aqueous …

Consider the above sequence of reactions. The number of bromine atom(s) in the final product (P) will be:

(1) ${\mathrm{Br}}_2/{\mathrm{FeBr}}_3/\Delta$
(2) $\mathrm{Sn}/\mathrm{HCl}/\Delta$
(3) pH neutralisation
(4) ${\mathrm{Br}}_2/{\mathrm{H}}_2\mathrm{O}$
(5) …

The final product $[\mathrm{B}]$ is :

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 $\mathrm{g}{\mathrm{mol}}^{-1}$ H: 1, C: 12, N: 14, O : $16,\mathrm{Br}:80$ )

Compound 'P' undergoes the following sequence of reactions :

'P' is :

Given below are two statements:

Statement I:
(see structure)
can be synthesized from
(see structure)
using simpler reagents in the order i) Acidic ${\mathrm{KMnO}}_4$, ii) Ammonia, iii) Bromine and alkali

Statement II :
(see structure)
can be converted into
(see structure)
us …

A student has been given a compound " x " of molecular formula $-{\mathrm{C}}_6{\mathrm{H}}_7\mathrm{N}$. ' x ' is sparingly soluble in water. However, on addition of dilute mineral acid , ' x ' becomes soluble in water. ' x ' when treated with ${\mathrm{CHCl}}_3$ and KOH …

The correct stability order of the following diazonium salts is
(A) (see structure)
(B) (see structure)
(C) (see structure)
(D) (see structure)

Given below are two statements:

Statement I: The dipole moment of R-CN is greater than $\mathrm{R}-\mathrm{NC}$ and $\mathrm{R}-\mathrm{NC}$ can undergo hydrolysis under acidic medium to produce

Given below are two statements:

Statement I: Griss-Ilosvay test is used for the detection of nitrite ion, which involves the use of sulphanilic acid and $\alpha$-naphthylamine reagent.
Statement II: In the above test, sulphanilic acid is diazotized by the acidified nitrite ion, …

A student performed analysis of aliphatic organic compound 'X' which on analysis gave $\mathrm{C}=61.01\%$, $\mathrm{H}=15.25\%$, $\mathrm{N}=23.74\%$.
This compound, on treatment with ${\mathrm{HNO}}_2/{\mathrm{H}}_2\mathrm{O}$ produced another compound 'Y' which did not contain …

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, All …

Consider the three aromatic molecules (P, Q and R) whose structures have been given below:

P. (see structure)

Q. (see structure)

R. (see structure)

The correct order regarding the reactivity of these compounds with $\mathrm{Ph}-\mathrm{N}\equiv \mathrm{N}{\mathrm{Cl}}^{(-)}$ …

Product C of the following reaction sequence will be

Identify compounds A and E in the following reaction sequence.

The strongest conjugate acid will result from

Benzyl isocyanide can be obtained from
(A) (see structure)
(B) (see structure)
(C) (see structure)
(D) (see structure)
(E) (see structure)

Choose the correct answer from the options given below :

Identify the incorrect statements :
A. (see structure) is a stronger base than (see structure)
B. (see structure) can be synthesized by Gabriel phthalimide synthesis.
C. (see reaction)
D. (see structure) will dissolve in NaOH

Choose the correct answer from the options given belo …

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 adjus …

Given below are two statements :

Statement-I : 3-phenylpropene reacts with HBr and gives secondary alkyl bromide having a chiral carbon atom as the major product.

Statement-II : Aryl chlorides and aryl cyanides can be prepared by Sandmeyer reaction as well as Gattermann reactio …

Consider the following sequence of reactions.

The percentage of nitrogen in the yellow product (X) formed is _____ %.
(Nearest Integer)
(Given Molar mass in $\mathrm{g}{\mathrm{mol}}^{-1}$ H: 1, C: 12, N: 14)

Consider the following organic reaction sequence. Choose the final product (X) from the following (consider the major product in all intermediate reactions)

(see structure)

The number of compounds from the following which can undergo reaction with Br₂/KOH/(alcoholic) to give respective products and these respective products can also be obtained separately by Gabriel phthalimide reaction is:

(see structures)

The products formed in the following reaction sequence are :

Consider the following sequence of reactions :
(i) $\mathrm{Sn}+\mathrm{HCl}$
(see structure)
(ii) ${\mathrm{NaNO}}_2,\mathrm{HCl}$
$\underset{\text{ (iii) }{\mathrm{Cu}}_2{\mathrm{Cl}}_2}{\overset{0^{\circ }\mathrm{C}}{\to }}\underset{\text{ Product }}{\mathrm{A}}$
(iv) Na, Ether

Mola …

Match the Compounds (List-I) with the appropriate Catalyst/Reagents (List-II) for their reduction into corresponding amines.

List-I (Compounds):
(A) (see structure)
(B) (see structure)
(C) $\mathrm{R}-\mathrm{C}\equiv \mathrm{N}$
(D) (see structure)

List-II (Catalyst/Reagents) …

For reaction

(Major)

The correct order of set of reagents for the above conversion is :

Which among the following react with Hinsberg's reagent?

(A)

(B)

(C) ${\mathrm{CH}}_3-{\mathrm{NH}}_2$

(D) $\mathrm{N}{\left({\mathrm{CH}}_3\right)}_3$

(E)

Choose the correct answer from the options given below:

Consider the following sequence of reactions to produce major product (A)

Molar mass of product (A) is ____ $\mathrm{g}{\mathrm{mol}}^{-1}$.
(Given molar mass in $\mathrm{g}{\mathrm{mol}}^{-1}$ of $\mathrm{C}:12,\mathrm{H}:1$, …

Consider the following sequence of reactions.

(see structure)

Total number of ${\mathrm{sp}}^3$ hybridised carbon atoms in the major product C formed is ______.

Identify correct statements :
(A) Primary amines do not give diazonium salts when treated with ${\mathrm{NaNO}}_2$ in acidc condition.
(B) Aliphatic and aromatic primary amines on heating wth ${\mathrm{CHCl}}_3$ and ethanolic KOH form carbylamines.
(C) Secondary and tertiary amin …

Given below are some nitrogen containing compounds.

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 $\mathrm{g}{\mathrm{mol}}^{-1}$ C: 12, H: 1, O: 16, Cl: 35.5)

Which one of the following reaction sequences will give an azo dye ?

The correct order of basic nature on aqueous solution for the bases ${\mathrm{NH}}_3,{\mathrm{H}}_2\mathrm{N}-{\mathrm{NH}}_2,{\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{NH}}_2$, ${\left({\mathrm{CH}}_3{\mathrm{CH}}_2\right)}_2\mathrm{NH}$ and …

When a concentrated solution of sulphanilic acid and 1-naphthylamine is treated with nitrous acid ( 273 K ) and acidified with acetic acid, the mass (g) of 0.1 mole of product formed is :
(Given molar mass in …

Identify [A], [B], and [C], respectively in the following reaction sequence :

In the following reactions, which one is NOT correct?

The correct order of basicity for the following molecules is :

The descending order of basicity of following amines is :

(A) (see structure)

(B) (see structure)

(C) (see structure)

(D) ${\mathrm{CH}}_3{\mathrm{NH}}_2$

(E) ${\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$

Choose the correct answer from the options given below :

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

A. (see structure)

B. ${\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$

C. ${\mathrm{CH}}_3{\mathrm{NH}}_2$

D. ${\left({\mathrm{CH}}_3\right)}_3\mathrm{N}$

E. (see structure)

Choose the correct answ …

When a salt is treated with sodium hydroxide solution it gives gas X . On passing gas X through reagent Y a brown coloured precipitate is formed. X and Y respectively, are

X g of ethylamine is subjected to reaction with NaNO₂/HCl followed by water; evolved dinitrogen gas which occupied 2.24 L volume at STP.

X is ____ × 10⁻¹ g.

From 6.55 g of aniline, the maximum amount of acetanilide that can be prepared will be _____ $\times 10^{-1}$ g.

Phthalimide is made to undergo following sequence of reactions.
Phthalimide $\stackrel{\text{(i) KOH}}{\to }$ $\stackrel{\text{(ii) Benzyl chloride}}{\to }$ P
Total number of $\pi$ bonds present in product 'P' is/are

The number of halobenzenes from the following that can be prepared by Sandmeyer's reaction is ____

X of enthanamine was subjected to reaction with ${\mathrm{NaNO}}_2/\mathrm{HCl}$ followed by hydrolysis to liberate ${\mathrm{N}}_2$ and HCl . The HCl generated was completely neutralised by 0.2 moles of NaOH . X is ____ g.

9.3 g of pure aniline upon diazotisation followed by coupling with phenol gives an orange dye. The mass of orange dye produced (assume 100% yield/ conversion) is ______ g. (nearest integer)