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Amines

NEET (UG) 2024MCQEasy📈 Topic in 75% papers+4−1
Ques. 1NEET (UG) 2024

Identify the major product C formed in the following reaction sequence : CH3-CH2-CH2-I NaCN A [Partial hydrolysis]OH- B [Br2]NaOH (major)C

  1. propylamine
  2. butylamine
  3. butanamide
  4. -bromobutanoic acid

Answer

(1) propylamine

Solution

CH3CH2CH2I + NaCN CH3CH2CH2CN (A, butanenitrile)

Partial hydrolysis: CH3CH2CH2CN OH- CH3CH2CH2CONH2 (B, butanamide)

Hoffmann bromamide degradation (one carbon less): CH3CH2CH2CONH2 Br2/NaOH CH3CH2CH2NH2

C is propylamine.

Answer: (1)

Keep practising — Amines

Ques. 2RE-NEET (UG) 2024

The major product X formed in the following reaction sequence is : [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 3RE-NEET (UG) 2024

The major product D formed in the following reaction sequence is : [figure]

  1. [figure]
  2. [figure]
  3. CH3CH2OH
  4. CH3CH2Cl
Ques. 4RE-NEET (UG) 2024

The compound that does not undergo Friedel-Crafts alkylation reaction but gives a positive carbylamine test is :

  1. Aniline
  2. Pyridine
  3. N-methylaniline
  4. Triethylamine
Ques. 5NEET (UG) 2023

Identify the product in the following reaction: [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 6NEET (UG) 2023

Which of the following reactions will NOT give primary amine as the product?

  1. CH3CN [ (ii) H3O ](i) LiAlH4 Product
  2. CH3NC [ (ii) H3O ](i) LiAlH4 Product
  3. CH3CONH2 [ (ii) H3O ](i) LiAlH4 Product
  4. CH3CONH2 Br2/KOH Product
Ques. 7NEET (UG) 2022

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.
Ques. 8NEET (UG) 2022

The product formed from the following reaction sequence is [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 9NEET (UG) 2022 (Phase 2)

The product formed from the following reaction sequence is : [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 10NEET (UG) 2022 (Phase 2)

Match List-I with List-II : Choose the correct answer from the options given below :

  1. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
  2. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
  3. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
  4. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
Ques. 11NEET (UG) 2021

Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

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

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