Question:
When toluene is treated with \(Cl_2\) in the presence of \(Fe\) in dark, the product formed is
When toluene is treated with \(Cl_2\) in the presence of \(Fe\) in dark, the product formed is
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Light → side chain substitution; Dark + catalyst → ring substitution.
Updated On: Apr 24, 2026
- Benzyl chloride
- mixture of o- & p-Chlorotoluene
- 2,4,6-Trichlorotoluene
- 2,4-Dichlorotoluene
- Benzal dichloride
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The Correct Option is B
Solution and Explanation
Concept:
• \(Fe/Cl_2\) $\rightarrow$ electrophilic substitution
• Dark conditions $\rightarrow$ ring substitution (not side chain)
Step 1: Effect of methyl group.
\[ -CH_3 \text{ is activating and ortho/para directing} \]
Step 2: Products formed.
\[ \text{o-chlorotoluene and p-chlorotoluene} \]
• \(Fe/Cl_2\) $\rightarrow$ electrophilic substitution
• Dark conditions $\rightarrow$ ring substitution (not side chain)
Step 1: Effect of methyl group.
\[ -CH_3 \text{ is activating and ortho/para directing} \]
Step 2: Products formed.
\[ \text{o-chlorotoluene and p-chlorotoluene} \]
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