- 
              What is electrophilic substitution? . . . 
- 
              Some background on benzene (including links to more detailed discussions) and a general mechanism which covers several of benzene's reactions. 
- 
              The nitration of benzene . . . 
- 
              The mechanism for the formation of nitrobenzene from benzene. 
- 
              The Friedel-Crafts acylation of benzene . . . 
- 
              The mechanism for the substitution of an acyl group such as CH3CO into benzene. 
- 
              The Friedel-Crafts alkylation of benzene . . . 
- 
              The mechanism for the substitution of an alkyl group such as CH3 into benzene. 
- 
              An industrial alkylation of benzene . . . 
- 
              The mechanism for the substitution of an alkyl group such as CH3CH2 into benzene, by a reaction involving an alkene such as ethene. 
- 
              The halogenation of benzene . . . 
- 
              The mechanism for the substitution of atoms like chlorine and bromine into benzene rings. 
- 
              The sulphonation of benzene . . . 
- 
              The mechanism for reaction between benzene and concentrated sulphuric acid to produce benzenesulphonic acid 
- 
              Some substitution reactions of methylbenzene . . . 
- 
              Illustrates how to cope with the problem of substituting things into rings which already have something else attached.