Which one of the following is a strong electrophile on which benzene electrons attack fastly?
Correct answer: C. Cl+
- A. FeBr3
- B. FeCl4-
- C. Cl+
- D. Cl-
Explanation
Electrophiles are species with a positive charge. The only element/molecule with a positive charge is Cl hence, Option C is the correct answer.
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About Benzene and Aromatic Compounds
Benzene has a planar ring of delocalised π electrons, giving aromatic stability and equal carbon-carbon bond lengths. The topic covers resonance, electrophilic substitution reactions such as nitration, halogenation, sulphonation and Friedel-Crafts reactions, along with substituent effects and the distinction between substitution in benzene and addition in ordinary alkenes.
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