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Amines

JEE Main 2025 (Online) 24th January Evening ShiftMCQMedium📈 Topic in 39% papers+4−1
Ques. 1JEE 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

Answer

(2) H2SO4, Ac2O, Br2, H2O( ), NaOH

Solution

Block para with SO3H, protect NH2 (Ac2O), brominate ortho, then hydrolyse.

[figure]

[figure]

[figure]

Answer: (2)

Keep practising — Amines

Ques. 2JEE 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. 3JEE 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. 4JEE 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. 5JEE 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. 6JEE 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. 7JEE 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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