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What happened when benzene react with chlorine in the presence of sunlight?
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What happened when benzene react with chlorine in the presence of sunl...
Benzene Reaction with Chlorine in the Presence of Sunlight
When benzene reacts with chlorine in the presence of sunlight, a substitution reaction occurs. The reaction between benzene and chlorine is an example of an electrophilic substitution reaction, where chlorine acts as an electrophile and benzene acts as a nucleophile.
Reaction Mechanism
- The first step involves the generation of a chlorine free radical through the homolytic cleavage of the chlorine molecule.
- The chlorine free radical then reacts with a benzene molecule, forming a highly reactive intermediate, a chlorobenzene radical.
- The chlorobenzene radical then reacts with a chlorine molecule, releasing hydrogen chloride and forming monochlorobenzene.
- The newly formed monochlorobenzene can undergo further chlorination reactions to form dichlorobenzene and trichlorobenzene.
Role of Sunlight
Sunlight is required for the reaction to take place because it provides the energy needed for the homolytic cleavage of the chlorine molecule and the formation of the chlorine free radical. Without sunlight, the reaction would not proceed.
Overall Reaction
The overall reaction can be represented as follows:
C6H6 + Cl2 → C6H5Cl + HCl
The reaction can also produce dichlorobenzene and trichlorobenzene, depending on the conditions and reactant concentrations.
Uses of Monochlorobenzene
Monochlorobenzene is an important industrial chemical used as a solvent, a precursor to many chemicals, and an intermediate in the production of dyes, pesticides, and pharmaceuticals.
Community Answer
What happened when benzene react with chlorine in the presence of sunl...
C6H6 + Cl2 ---------> C6H6Cl6 This is a free radical reaction, in presence of sunlight Cl2 undergoes homolytic fission to give 2 Cl radicals which add to the benzene ring.
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What happened when benzene react with chlorine in the presence of sunlight?
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What happened when benzene react with chlorine in the presence of sunlight? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about What happened when benzene react with chlorine in the presence of sunlight? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What happened when benzene react with chlorine in the presence of sunlight?.
What happened when benzene react with chlorine in the presence of sunlight? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about What happened when benzene react with chlorine in the presence of sunlight? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What happened when benzene react with chlorine in the presence of sunlight?.
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