Benzene does not undergo___________________?
Correct answer: C. Polymerization reactions
- A. Substitution reaction
- B. Addition reaction
- C. Polymerization reactions
- D. Oxidation reactions
Explanation
Benzene commonly undergoes electrophilic substitution and can undergo addition or oxidation under appropriate severe or catalytic conditions, but it is not normally described as undergoing polymerisation reactions. Its aromatic stability prevents the ordinary chain-polymerisation behaviour seen in alkenes. The likely mistake is addition, since benzene resists addition under normal conditions but can undergo it under special conditions.
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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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