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Amines · Question 10

RE-NEET (UG) 2024MCQMedium📈 Topic in 38% papers+4−1
1

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

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

Answer

(3) [figure]

Solution

(i) In chlorination, -C2H5 (activating, o/p-directing) and -NO2 (deactivating, m-directing) both direct Cl to the carbon ortho to -C2H5 (meta to -NO2).

(ii) Sn/HCl reduces -NO2 to -NH2.

(iii) NaNO2/HCl at 273–278 K converts -NH2 into the diazonium salt -N2 Cl .

(iv) KI replaces -N2 by -I.

[figure]

X = 2-chloro-1-ethyl-4-iodobenzene

Answer: (3)

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2

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

  1. [figure]
  2. [figure]
  3. CH3CH2OH
  4. CH3CH2Cl
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3

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
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4

Identify the product in the following reaction: [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
NEET (UG) 2023
5

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
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6

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.
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7

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

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
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8

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

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
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9

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)
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10

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
11

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

  1. CuCN/KCN
  2. H2O
  3. CH3CH2OH
  4. HI
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