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The bromination of benzene in presence of FeBr₃ is an example of
- a)electrophilic addition
- b)free radical addition
- c)electrophilic substitution
- d)nucleophilic addition
Correct answer is option 'C'. Can you explain this answer?
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The bromination of benzene in presence of FeBr₃ is an example ofa)elec...
Electrophilic Substitution in Bromination of Benzene
The bromination of benzene in presence of FeBr₃ is an example of electrophilic substitution.
Explanation:
• Electrophilic substitution reactions involve the replacement of an atom or group in a molecule by another atom or group which acts as an electrophile, i.e. an electron-deficient species that accepts electrons from the substrate.
• In the bromination of benzene, FeBr₃ is used as a catalyst. It generates an electrophile, Br₂^+ , which attacks the electron-rich aromatic ring of benzene.
• The electrophilic substitution reaction proceeds through the formation of a resonance-stabilized intermediate, which is delocalized over the entire ring.
• The intermediate is finally stabilized by the loss of a proton from the ring, resulting in the formation of the product, bromobenzene.
• The reaction mechanism involves several steps, including the generation of the electrophile, attack of the electrophile on the aromatic ring, formation of the intermediate, and loss of a proton to form the product.
• The reaction is highly regioselective, meaning that the electrophile attacks the ring at the ortho- and para- positions, due to the stabilization of the intermediate by resonance.
• The bromination of benzene in presence of FeBr₃ is an important reaction in organic chemistry, as it is widely used for the synthesis of aromatic compounds containing halogen substituents.
The bromination of benzene in presence of FeBr₃ is an example of electrophilic substitution.
Explanation:
• Electrophilic substitution reactions involve the replacement of an atom or group in a molecule by another atom or group which acts as an electrophile, i.e. an electron-deficient species that accepts electrons from the substrate.
• In the bromination of benzene, FeBr₃ is used as a catalyst. It generates an electrophile, Br₂^+ , which attacks the electron-rich aromatic ring of benzene.
• The electrophilic substitution reaction proceeds through the formation of a resonance-stabilized intermediate, which is delocalized over the entire ring.
• The intermediate is finally stabilized by the loss of a proton from the ring, resulting in the formation of the product, bromobenzene.
• The reaction mechanism involves several steps, including the generation of the electrophile, attack of the electrophile on the aromatic ring, formation of the intermediate, and loss of a proton to form the product.
• The reaction is highly regioselective, meaning that the electrophile attacks the ring at the ortho- and para- positions, due to the stabilization of the intermediate by resonance.
• The bromination of benzene in presence of FeBr₃ is an important reaction in organic chemistry, as it is widely used for the synthesis of aromatic compounds containing halogen substituents.
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The bromination of benzene in presence of FeBr₃ is an example ofa)electrophilic additionb)free radical additionc)electrophilic substitutiond)nucleophilic additionCorrect answer is option 'C'. Can you explain this answer?
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