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Amines · Question 7

NEET (UG) 2025MCQEasy📈 Topic in 38% papers+4−1
1

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

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

Answer

(3) Both Statement I and Statement II are correct

Solution

Statement-I: As per NCERT, benzenediazonium chloride is prepared by the reaction of aniline with nitrous acid (NaNO2 + HCl) at 273–278 K:

C6H5NH2 + NaNO2 + 2HCl 273-278 K C6H5N2+Cl- + NaCl + 2H2O

NCERT also states that it is stable in cold solution but decomposes easily in the dry state. Correct.

Statement-II: As per NCERT, iodine is not easy to introduce into the benzene ring directly, but iodobenzene is formed when the diazonium salt solution is treated with KI:

C6H5N2+Cl- + KI C6H5I + KCl + N2. Correct.

Answer: (3)

NEET (UG) 2025

Keep practising — Amines

2

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. Both Statement I and Statement II are false
  3. Statement I is correct but Statement II is false
  4. Statement I is incorrect but Statement II is true
NEET (UG) 2024
3

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
NEET (UG) 2024
4

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

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
RE-NEET (UG) 2024
5

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

  1. [figure]
  2. [figure]
  3. CH3CH2OH
  4. CH3CH2Cl
RE-NEET (UG) 2024
6

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
RE-NEET (UG) 2024
7

Identify the product in the following reaction: [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
NEET (UG) 2023
8

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
NEET (UG) 2023
9

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.
NEET (UG) 2022
10

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

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
NEET (UG) 2022
11

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

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

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