Question

The Major Product in the above reaction is :

JEE Main 2021 (26 Aug Shift 2)

Options

• A:
• B:
• C:
• D:

Question

The Hinsberg reagent is

JEE Main 2022 (29 Jul Shift 2)

Options

• A:

  

• B:

  

• C:

  

• D:

  

Question

Identify $\mathrm{A}$ in the following reaction.

JEE Main 2021 (01 Sep Shift 2)

Options

• A:
• B:
• C:
• D:

Question

With respect to the following reaction, consider the given statements:

(A) $\mathrm{o}$-Nitroaniline and $\mathrm{p}$-nitroaniline are the predominant products.

(B) $\mathrm{p}$-Nitroaniline and $\mathrm{m}$-nitroaniline are the predominant products.

(C) ${\mathrm{HNO}}_3$ acts as an acid.

(D) ${\mathrm{H}}_2{\mathrm{SO}}_4$ acts as an acid.

Choose the correct option.

JEE Main 2022 (28 Jun Shift 2)

Options

• A: $\left(\mathrm{A}\right) \& \left(\mathrm{C}\right)$ are correct statements.
• B: $\left(\mathrm{A}\right) \& \left(\mathrm{D}\right)$ are correct statement.
• C: $\left(\mathrm{B}\right) \& \left(\mathrm{D}\right)$ are correct statements.
• D: $\left(\mathrm{B}\right) \& \left(\mathrm{C}\right)$ are correct statements.

Question

Consider the above reaction, the product $\mathrm{A}$ and product $\mathrm{B}$ respectively are

JEE Main 2022 (29 Jun Shift 1)

Options

• A:

  

• B:

  

• C:

  

• D:

  

Question

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

JEE Main 2021 (25 Jul Shift 1)

Options

• A:
• B:
• C:
• D:

Question

Find out the major product formed from the following reaction. \(\left[\mathrm{Me}:-\mathrm{CH}_3\right]\)

JEE Main 2024 (04 Apr Shift 2)

Options

• A:
  
• B:
  
• C:
  
• D:
  

Question

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

JEE Main 2022 (24 Jun Shift 2)

Options

• A:

  (i) ${\mathrm{SOCl}}_2$

  (ii) $\mathrm{KCN}$

  (iii) ${\mathrm{H}}_2/\mathrm{Ni},\mathrm{Na}\left(\mathrm{Hg}\right)/{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$

• B:

  (i) $\mathrm{HCl}$

  (ii) ${\mathrm{H}}_2/\mathrm{Ni},\mathrm{Na}\left(\mathrm{Hg}\right)/{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$

• C:

  (i) ${\mathrm{SOCl}}_2$

  (ii) $\mathrm{KCN}$

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

• D:

  (i) $\mathrm{HCl}$

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

Question

Identify '$\mathrm{Z}$' among the following

JEE Main 2022 (26 Jun Shift 2)

Options

• A:
• B:  
• C:  
• D:

   

Question

 $\text{'}\mathrm{A}\text{'}$ is

JEE Main 2023 (13 Apr Shift 1)

Options

• A:

   

• B:

  

• C:

  

• D:

  

Question

The major products $\mathrm{A}$ and $\mathrm{B}$ formed in the following reaction sequence are :

JEE Main 2021 (31 Aug Shift 2)

Options

• A:
• B:
• C:
• D:

Question

Which of the following ketone will NOT give enamine on treatment with secondary amines? [where $\mathrm{t}-\mathrm{Bu}$ is $-\mathrm{C}{\left({\mathrm{CH}}_3\right)}_3$]

JEE Main 2022 (25 Jun Shift 2)

Options

• A:
• B:
• C:  
• D:  

Question

The correct sequential order of the reagents for the given reaction is

JEE Main 2022 (26 Jul Shift 2)

Options

• A: ${\mathrm{HNO}}_2,\mathrm{Fe}/{\mathrm{H}}^{+},{\mathrm{HNO}}_2,\mathrm{KI},{\mathrm{H}}_2\mathrm{O}/{\mathrm{H}}^{+}$
• B: ${\mathrm{HNO}}_2,\mathrm{KI},\mathrm{Fe}/{\mathrm{H}}^{+},{\mathrm{HNO}}_2,{\mathrm{H}}_2\mathrm{O}/$ warm
• C: ${\mathrm{HNO}}_2,\mathrm{KI},{\mathrm{HNO}}_2,\mathrm{Fe}/{\mathrm{H}}^{+},{\mathrm{H}}_2\mathrm{O}/{\mathrm{H}}^{+}$
• D: ${\mathrm{HNO}}_2,\mathrm{Fe}/{\mathrm{H}}^{+},\mathrm{KI},{\mathrm{HNO}}_2,{\mathrm{H}}_2\mathrm{O}/$ warm

Question

Which one of the following is the major product of the given reaction?

JEE Main 2021 (27 Aug Shift 2)

Options

• A:
• B:
• C:
• D:

Question

A reaction of benzonitrile with one equivalent ${\mathrm{CH}}_3\mathrm{MgBr}$ followed by hydrolysis produces a yellow liquid "P". The compound "P" will give positive ________

JEE Main 2021 (25 Jul Shift 2)

Options

• A: Iodoform test
• B: Schiff's test
• C: Ninhydrin's test
• D: Tollen's test

Question

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

JEE Main 2021 (27 Aug Shift 2)

Options

• A:
• B:
• C:
• D:

Question

Which among the following is the strongest Bronsted base?

JEE Main 2022 (29 Jul Shift 1)

Options

• A:

  

• B:

  

• C:

  

• D:

  

Question

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

JEE Main 2021 (20 Jul Shift 2)

Options

• A:
• B:
• C:
• D:

Question

Isomeric amines with molecular formula ${\mathrm{C}}_8{\mathrm{H}}_{11}\mathrm{N}$ give the following tests

Isomer$\left(\mathrm{P}\right)\Rightarrow$ Can be prepared by Gabriel phthalimide synthesis

Isomer$\left(\mathrm{Q}\right)\Rightarrow$ Reacts with Hinsberg’s reagent to give solid insoluble in $\mathrm{NaOH}$

Isomer$\left(\mathrm{R}\right)\Rightarrow$ Reacts with $\mathrm{HONO}$ followed by $\mathrm{\beta }$-naphthol in $\mathrm{NaOH}$ to give red dye.

Isomers$\left(\mathrm{P}\right), \left(\mathrm{Q}\right)$ and $\left(\mathrm{R}\right)$ respectively are

JEE Main 2023 (10 Apr Shift 1)

Options

• A:

  

   

• B:

  

   

• C:

  

   

• D:

  

   

Question

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

JEE Main 2021 (25 Jul Shift 2)

Options

• A:
• B:
• C:
• D:

Question

An organic compound $\left[\mathrm{A}\right]\left({\mathrm{C}}_4{\mathrm{H}}_{11} \mathrm{N}\right)$, shows optical activity and gives ${\mathrm{N}}_2$ gas on treatment with ${\mathrm{HNO}}_2$. The compound $\left[\mathrm{A}\right]$ reacts with ${\mathrm{PhSO}}_2\mathrm{Cl}$ producing a compound which is soluble in $\mathrm{KOH}$. The structure of $\mathrm{A}$ is :

JEE Main 2023 (31 Jan Shift 2)

Options

• A:

  

• B:

  

• C:

  

• D:

  

   

Question

Compound $\mathrm{P}$ is neutral, $\mathrm{Q}$ gives effervescence with ${\mathrm{NaHCO}}_3$ while $\mathrm{R}$ reacts with Hinsberg’s reagent to give solid soluble in $\mathrm{NaOH}.$ Compound $\mathrm{P}$ is

JEE Main 2023 (06 Apr Shift 1)

Options

• A:
• B:
• C:
• D:

Question

Match List-I with List-II

Choose the correct answer from the options given below

JEE Main 2022 (27 Jul Shift 1)

Options

• A: $\mathrm{A}-\mathrm{IV},\mathrm{B}-\mathrm{III},\mathrm{C}-\mathrm{II},\mathrm{D}-\mathrm{I}$
• B: $\mathrm{A}-\mathrm{IV},\mathrm{B}-\mathrm{II},\mathrm{C}-\mathrm{I},\mathrm{D}-\mathrm{III}$
• C: $\mathrm{A}-\mathrm{III},\mathrm{B}-\mathrm{IV},\mathrm{C}-\mathrm{I},\mathrm{D}-\mathrm{II}$
• D: $\mathrm{A}-\mathrm{IV},\mathrm{B}-\mathrm{III},\mathrm{C}-\mathrm{I},\mathrm{D}-\mathrm{II}$

Question

Which among the following represent reagent '$\mathrm{A}$'?

JEE Main 2022 (29 Jul Shift 1)

Options

• A:

  

• B:

  

• C:

  

• D:

  

Question

Which one of the following compounds will liberate ${\mathrm{CO}}_2$, when treated with ${\mathrm{NaHCO}}_3?$

JEE Main 2021 (25 Jul Shift 1)

Options

• A: ${\left({\mathrm{CH}}_3\right)}_3\stackrel{\oplus }{\mathrm{N}}\mathrm{H}\stackrel{⊝}{\mathrm{Cl}}$
• B: ${\left({\mathrm{CH}}_3\right)}_4\stackrel{\oplus }{\mathrm{N}}\stackrel{⊝}{\mathrm{O}}\mathrm{H}$
• C:
• D: ${\mathrm{CH}}_3{\mathrm{NH}}_2$