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Amines

JEE Main 2025 (Online) 29th January Evening ShiftMCQMedium📈 Topic in 21% papers+4−1
Ques. 1JEE Main 2025, 29 January (Evening Shift)

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

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]

Answer

(3) [figure]

Solution

Azo dye = diazotisation + coupling with an activated arene (β-naphthol, alkaline medium).

[figure]

(1) gives a sulphonamide and (2) an amide: no - N=N-; (4) toluene is too weakly activated to couple.

Answer: (3)

Keep practising — Amines

Ques. 2JEE Main 2025, 28 January (Morning Shift)

Consider the following sequence of reactions: [figure] 11.25 mg of chlorobenzene will produce 10-1 mg of product B. (Consider the reactions result in complete conversion.) [Given molar mass of C, H, O, N and Cl as 12, 1, 16, 14 and 35.5 g mol-1 respectively]

Ques. 3JEE Main 2025, 28 January (Evening Shift)

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

  1. (B) and (C) only
  2. (D) and (E) only
  3. (A) and (B) only
  4. (B) and (D) only
Ques. 4JEE Main 2025, 24 January (Evening Shift)

For reaction [figure] The correct order of set of reagents for the above conversion is :

  1. Ac2O, Br2, H2O( ), NaOH
  2. H2SO4, Ac2O, Br2, H2O( ), NaOH
  3. Br2 | FeBr3, H2O( ), NaOH
  4. Ac2O, H2SO4, Br2, NaOH
Ques. 5JEE Main 2025, 23 January (Morning Shift)

Which among the following react with Hinsberg's reagent? Choose the correct answer from the options given below :

  1. A, C and E only
  2. A, B and E only
  3. C and D only
  4. B and D only
Ques. 6JEE Main 2025, 23 January (Morning Shift)

Consider the following sequence of reactions to produce major product (A) [figure] Molar mass of product (A) is g mol-1. (Given molar mass in g mol-1 of C : 12, H : 1, O : 16, Br : 80, N : 14, P : 31)

Ques. 7JEE Main 2025, 23 January (Evening Shift)

Consider the following sequence of reactions. [figure] Total number of sp3 hybridised carbon atoms in the major product C formed is .

Ques. 8JEE Main 2025, 22 January (Morning Shift)

The products formed in the following reaction sequence are : [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 9JEE Main 2025, 22 January (Morning Shift)

Consider the following sequence of reactions : [figure] Molar mass of the product formed (A) is g mol-1.

Ques. 10JEE Main 2025, 22 January (Evening Shift)

Match the Compounds (List - I) with the appropriate Catalyst/ Reagents (List - II) for their reduction into corresponding amines. Choose the correct answer from the options given below :

  1. A-II, B-IV, C-III, D-I
  2. A-III, B-IV, C-II, D-I
  3. A-III, B-II, C-IV, D-I
  4. A-II, B-I, C-III, D-IV

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