Benzoylation of amines can be carried out in presence of -

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  1. Only aqueous medium
  2. Only non-aqueous medium
  3. Both aquous and non-aqueous medium
  4. HOH / MeOH only

Answer (Detailed Solution Below)

Option 3 : Both aquous and non-aqueous medium
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Detailed Solution

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Concept:

  • Benzoylation of amines is a reaction where a benzoyl group (C6H5CO-) is introduced into the amine.

  • This reaction is typically carried out using benzoyl chloride (C6H5COCl) in the presence of a base.

Explanation:

The benzoylation of amines can be performed in both aqueous and non-aqueous mediums. Here, bases such as NaOH are used in an aqueous medium, while organic bases or other non-aqueous conditions may be used as well. Therefore, the reaction is not limited to a specific type of medium.

Option 1 (Only aqueous medium) and Option 2 (Only non-aqueous medium) do not fully capture the versatility of this reaction.

Option 4 (HOH / MeOH only) is restrictive and does not cover all suitable solvents.

Conclusion:

Benzoylation can occur in both aqueous and non-aqueous media, allowing flexibility in the choice of reaction conditions.

Thus, the correct answer is: Both aquous and non-aqueous medium.

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