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When chlorobenzene is treated with NH(3)...

When chlorobenzene is treated with `NH_(3)` in presence of `Cu_(2)O` in xylene is 570 K. The product obtained is

A

Benzylamine

B

Diazonium salt

C

Schiff's base

D

Aniline

Text Solution

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The correct Answer is:
To solve the question regarding the reaction of chlorobenzene with ammonia in the presence of Cu₂O and xylene at a temperature of 570 K, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Reactants**: - The reactants in this reaction are chlorobenzene (C₆H₅Cl) and ammonia (NH₃). The presence of Cu₂O (copper(I) oxide) acts as a catalyst in this reaction. 2. **Understand the Reaction Conditions**: - The reaction is conducted in xylene, which is a solvent that can help dissolve the reactants and facilitate the reaction. The temperature of 570 K is relatively high, which can promote the reaction. 3. **Mechanism of the Reaction**: - Chlorobenzene contains a chlorine atom that is a good leaving group. When ammonia is present, it can attack the carbon atom bonded to chlorine. - The chlorine atom leaves as chloride ion (Cl⁻), and the nitrogen atom from ammonia (NH₃) replaces it, forming an amine. 4. **Formation of the Product**: - The product formed from this reaction is aniline (C₆H₅NH₂). The reaction can be summarized as: \[ \text{C}_6\text{H}_5\text{Cl} + \text{NH}_3 \xrightarrow{\text{Cu}_2\text{O}, \text{xylene}, 570 \text{ K}} \text{C}_6\text{H}_5\text{NH}_2 + \text{Cu}_2\text{Cl}_2 + \text{H}_2\text{O} \] - Here, aniline is the desired product, along with copper(I) chloride (Cu₂Cl₂) and water (H₂O) as by-products. 5. **Conclusion**: - The product obtained from the reaction of chlorobenzene with ammonia in the presence of Cu₂O and xylene at 570 K is aniline. ### Final Answer: The product obtained is **aniline (C₆H₅NH₂)**. ---
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