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Amines

JEE Main 2024 (Online) 1st February Morning ShiftMCQEasy📈 Topic in 47% papers+4−1
Ques. 1JEE Main 2024, 1 February (Morning Shift)

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below :

  1. Both Statement I and Statement II are correct
  2. Both Statement I and Statement II are incorrect
  3. Statement I is correct but Statement II is incorrect
  4. Statement I is incorrect but Statement II is correct

Answer

(1) Both Statement I and Statement II are correct

Solution

–NH2: lone pair of N delocalised into the ring (+R) ⇒ high electron density at o/p ⇒ Statement I is correct

C6H5NH2 + AlCl3 C6H5 +NH2- -AlCl3 (salt)

∵ positive N now strongly withdraws electrons ⇒ ring deactivated ⇒ no Friedel-Crafts reaction ⇒ Statement II is correct

Answer: (1)

Keep practising — Amines

Ques. 2JEE Main 2024, 1 February (Morning Shift)

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below :

  1. Both Statement I and Statement II are correct
  2. Statement I is incorrect but Statement II is correct
  3. Statement I is correct but Statement II is incorrect
  4. Both Statement I and Statement II are incorrect
Ques. 3JEE Main 2024, 1 February (Evening Shift)

Number of compounds which give reaction with Hinsberg's reagent is . [figure]

Ques. 4JEE Main 2024, 31 January (Evening Shift)

The azo-dye (Y) formed in the following reactions is Sulphanilic acid + NaNO2 + CH3COOH X. [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 5JEE Main 2024, 31 January (Evening Shift)

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

  1. Both statement I and statement II are true
  2. Statement I is true but statement II is false
  3. Statement I is false but statement II is true
  4. Both statement I and statement II are false
Ques. 6JEE Main 2024, 31 January (Evening Shift)

A compound (x) with molar mass 108 g mol-1 undergoes acetylation to give product with molar mass 192 g mol-1. The number of amino groups in the compound (x) is .

Ques. 7JEE Main 2024, 30 January (Morning Shift)

The final product A, formed in the following multistep reaction sequence is : [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 8JEE Main 2024, 30 January (Morning Shift)

Following is a confirmatory test for aromatic primary amines. Identify reagent (A) and (B). [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 9JEE Main 2024, 30 January (Evening Shift)

The products A and B formed in the following reaction scheme are respectively [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 10JEE Main 2024, 29 January (Morning Shift)

The arenium ion which is not involved in the bromination of Aniline is .

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 11JEE Main 2024, 29 January (Evening Shift)

The product A formed in the following reaction is [figure]

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

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