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Arenes

Benzene an its compounds

Benzene has s Molecular formula of C6H6

Kekule's Structure of Benzene




In theory this is correct but has been disproven by many tests
Bromine test can check for the presence of C=C
o When Br2 was added the solution wasn't de-colourised
CycloHexa-1,3,5-triene = C6H6 Benzene…

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The electrons are said to be `delocalised'
Normally benzene is drawn as




The delocalised ring makes benzene stable
o not very reactive
Carcinogenic - Induces cancer
Benzene only undergoes an `Electrophilic substitution' reaction

Electrophile ­ An electron pair acceptor which forms a covalent bond

Common electrophiles include H+, Na+



The…

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Halogenation of Benzene




Alkylation of Benzene




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Acylation of Benzene




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