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Learning objective

Explain the bonding model for benzene using delocalised electrons.

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Topic

Aromatic chemistry (A-level only)

Subtopic

Benzene and electrophilic substitution (A-level only)

Aqa A Level ChemistryOrganic chemistry

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Quick explanation

Explain the bonding model for benzene using delocalised electrons

  • This point belongs to Aromatic chemistry (A-level only), especially Benzene and electrophilic substitution (A-level only).
  • You need to be able to explain the bonding model for benzene using delocalised electrons.
  • The key ideas to know are benzene.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

benzene

Why it matters

This objective helps connect Benzene and electrophilic substitution (A-level only) to exam-style questions, flashcards, and revision notes for Aromatic chemistry (A-level only).

Quick student answer

Which of the following statements correctly describes the bonding in benzene?

Direct answer

C. Benzene has delocalized π electrons across the carbon atoms.

Key terms

  • Delocalization: The distribution of electrons across multiple atoms in a molecule, rather than being localized between two atoms.
  • Electrophile: A species that accepts an electron pair from a nucleophile in a chemical reaction, often seeking to bond with electron-rich areas.

Common trap

Confusing benzene with alkenes: Benzene has delocalized electrons and does not have fixed single or double bonds; it is represented by resonance structures.

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