Radical Reactions

Question 1

Radical Substitution

Answer 1

Reactant: Alkyl Halide and Br₂ or Cl₂

Reagent: heat or hv

Product: Alkyl halide with Br or Cl

*Bromination is more selective than chlorination.*

Bromination: Primary: 1, Secondary: 82, Tertiary: 1600

Chlorination: Primary: 1, Secondary: 3.8, Tertiary: 5

Question 2

Radical Addition of HBr in ROOR

Answer 2

Reactant: Alkene and HBr

Reagent: ROOR

Product: Alkyl haldie

The bromine adds anti-markovnikov.

Question 3

Bromination at allylic carbons

Answer 3

Reactant: allylic carbon and NBS

Reagent: hv or light and ROOR

Product: Alkene with a bromine