JEE Chemistry ยท Easy

Hydrocarbons: Benzene reactions MCQ

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Benzene reactionsEasyQuestion 770004

Question

Benzene undergoes electrophilic substitution (NOT addition) because:
  1. A
    Addition would destroy aromaticity (stability)
    Correct
  2. B
    Benzene has no double bonds
  3. C
    Electrophiles cannot add
  4. D
    Aromatic compounds are unreactive

Correct answer

Addition would destroy aromaticity (stability)

Explanation

Benzene's aromatic stabilisation energy (~150 kJ/mol) would be lost in addition reactions. Substitution restores aromaticity while addition would not. This thermodynamic preference drives EAS over addition.