13.19. Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?
13.19. Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?
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1 Answer
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Benzene is a rich source of electrons because of the presence of an electron cloud containing 6 n-electrons above and below the plane of the ring. Consequently, it attracts the electrophiles (electron-deficient) reagents towards it and repels nucleophiles (electron- rich) reagents. As a result, benzene undergoes electrophilic substitution reactions easily and nucleophilic substitutions with difficulty.
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