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Amines · Question 13

NEET (UG) 2023MCQMedium📈 Topic in 38% papers+4−1
1

Identify the product in the following reaction: [figure]

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

Answer

(1) [figure]

Solution

(i) Sandmeyer reaction: C6H5N2+Cl- Cu2Br2/HBr C6H5Br + N2

(ii) Grignard reagent: C6H5Br Mg/dry ether C6H5MgBr

(iii) Hydrolysis: C6H5MgBr + H2O C6H6 + Mg(OH)Br

The product is benzene.

Answer: (1)

NEET (UG) 2023

Keep practising — Amines

2

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
3

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
4

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

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
NEET (UG) 2022
5

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

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
NEET (UG) 2022 (Phase 2)
6

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)
NEET (UG) 2022 (Phase 2)
7

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]
NEET (UG) 2021
8

The reagent 'R' in the given sequence of chemical reaction is : [figure]

  1. CuCN/KCN
  2. H2O
  3. CH3CH2OH
  4. HI
NEET (UG) 2021
9

Which of the following amine will give the carbylamine test?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
NEET (UG) 2020
10

The correct order of the basic strength of methyl substituted amines in aqueous solution is :

  1. (CH3)3N > (CH3)2NH > CH3NH2
  2. CH3NH2 > (CH3)2NH > (CH3)3N
  3. (CH3)2NH > CH3NH2 > (CH3)3N
  4. (CH3)3N > CH3NH2 > (CH3)2NH
NEET (UG) 2019
11

Nitration of aniline in strong acidic medium also gives m-nitroaniline because

  1. in spite of substituents nitro group always goes to only m-position
  2. in electrophilic substitution reactions amino group is meta directive
  3. in absence of substituents nitro group always goes to m-position
  4. in acidic (strong) medium aniline is present as anilinium ion
NEET 2018

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