Compounds Containing Nitrogen — JEE Main PYQs

Identify the major product formed in the following sequence of reactions:

(see reaction scheme)

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

Which statement is NOT correct for p-toluenesulphonyl chloride?

The final product 'C' is the following series of reactions

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

Which among the following is the strongest Bronsted base ?

Considering the above reactions, the compound 'A' and compound 'B' respectively are:

Which among the following represent reagent 'A'?

The major product of the above reaction is

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

'A' and 'B' in the following reactions are :

Compound $A$ is converted to $B$ on reaction with ${\mathrm{CHCl}}_3$ and KOH . The compound $B$ is toxic and can be decomposed by C . $\mathrm{A},\mathrm{B}$ and C respectively are:

What is the correct sequence of reagents used for converting nitrobenzene into mdibromobenzene?

The diazonium salt of which of the following compounds will form a coloured dye on reaction with $\beta$- Naphthol in NaOH ?

The total number of amines among the following which can be synthesized by Gabriel synthesis is.
(A) (see structure)
(B) (see structure)
(C) (see structure)
(D) (see structure)

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

Consider the above reaction, compound B is :

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

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

A - (see structure)
i) $\mathrm{Sn}/\mathrm{HCl}$
ii) ${\mathrm{HNO}}_2$
iii) Aniline

B - (see structure)
i) ${\mathrm{NaBH}}_4$
ii) NaOH
iii) Aniline

C - (see structure)
i) ${\mathrm{HNO}}_2$
ii) Aniline, …

In the chemical reactions given above A and B respectively are:

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:

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

A. Phenyl methanamine
B. N, N-Dimethylaniline
C. N-Methyl aniline
D. Benzenamine

Choose the correct order of basic nature of the above amines.

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

The total number of reagents from those given below, that can convert nitrobenzene into aniline is ______. (Integer answer)
I. $\mathrm{Sn}-\mathrm{HCl}$
II. $\mathrm{Sn}-{\mathrm{NH}}_4\mathrm{OH}$
III. $\mathrm{Fe}-\mathrm{HCl}$
IV. $\mathrm{Zn}-\mathrm{HCl}$
V. …

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:

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:

Which of the following reaction is an example of ammonolysis?

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 …

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

Consider the above reaction, the product "P" is:

What is the major product "P" of the following reaction?
(i) ${\mathrm{NaNO}}_2,\mathrm{HCl},278\mathrm{K}$
(ii) ${\mathrm{H}}_2\mathrm{O}$ (major product)
P

The correct sequence of correct reagent for the following transformation is:

Which one of the following gives the most stable Diazonium salt?

In the above chemical reaction, intermediate "X" and reagent / condition "A" are:

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:

Which of the following is least basic?

Consider the given reaction, percentage yield of:

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

In the above reaction, the structural formula of (A), "X" and "Y" respectively are:

Primary, secondary and tertiary amines can be separated using:

Considering the above reaction, X and Y respectively are:

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 $\mathrm{n}\times 10^{-1}$, when $\mathrm{n}=$ ______. (Round off to the nearest integer).
[Given: Atomic …

Given below are two statements:
Statement I: C₂H₅OH and AgCN both can generate nucleophile.
Statement II: KCN and AgCN both will generate nitrile nucleophile with all reaction conditions.
Choose the most appropriate option:

The increasing order of ${\mathrm{pK}}_{\mathrm{b}}$ for the following compounds will be
(a) ${\mathrm{NH}}_2-\mathrm{CH}={\mathrm{NH}}_2$
(b) (see structure)
(c) ${\mathrm{CH}}_3{\mathrm{NHCH}}_3$

Consider the following reaction:

The product 'X' is used

In the following reaction sequence

The major product B is

Consider the following reactions:

The compound [P] is

The decreasing order of basicity of the following amines is

(I) (see structure)
(II) (see structure)
(III) (see structure)
(IV) (see structure)

The major product Z obtained in the following reaction scheme is: