Asked in MDCAT Free Mock 2024 2024Moderate

How many resonance structures of benzene are possible?

Correct answer: A. 2

  • A. 2
  • B. 3
  • C. 6
  • D. 4

Explanation

Option A is correct since benzene is a resonance hybrid of these two structures shown in the image: Option B is incorrect since it states that benzene has three resonating structures which is not the case.Option C is incorrect since it states that benzene has six resonating structures which is not the case.Option D is incorrect since it states that benzene has four resonating structures which is not the case.

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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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