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Amines

JEE Main 2025 (Online) 23rd January Evening ShiftNumericalMedium📈 Topic in 21% papers+4
Ques. 1JEE 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 .

Answer

4

Solution

Diazotisation, azo coupling at para of phenoxide, then Williamson ether synthesis:

[figure]

C has sp3 carbons only in the two OC2H5 groups (12 ring carbons are sp2)

∴ 2 2=4

Answer: 4

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Ques. 2JEE 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. 3JEE 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. 4JEE 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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