Create a free account to get started

Unlock full course notes by signing up

  • Video lessons taught by top educators
  • Practice questions with guided solutions
  • Written review notes for reference
  • Expert answers anytime from course tutors

Substitution Reactions

  • This is a reaction where a hydrogen atom or functional group is replaced by a different atom or functional group

1) Alcohols can undergo substitution reactions when reacted with HX (where H represents an acidic proton, X=halogen)


Image illustrating Substitution Reactions

This reaction produces an alkyl halide.



2) An alkyl halide can undergo substitution reaction when reacted with OH- (hydroxide ion, strong base)


Image illustrating Substitution Reactions

This reaction produces an ________.



3) Alkanes can undergo substitution with a halogen:


Image illustrating Substitution Reactions


This reaction produces an alkyl halide.

This reaction can form multiple products (randomly) if the halogen is present in excess:

  • It will result in a mixture of products


Image illustrating Substitution Reactions



4) Benzene can react with Cl2 or Br2 to form a halogenated benzene in a substitution reaction:


Image illustrating Substitution Reactions