Radical Substitution

Question 1

Overall reaction for methane and Cl2

Answer 1

CH4 (g) + Cl2(g) -> CH3Cl (l) + HCl (g)

Question 2

Initiation Reaction

Answer 2

Cl2 –> 2Cl

Question 3

Initiation Description

Answer 3

Radicals are produced
Involves breaking the Cl2 bond by UV radiation
Called homolytic fission

Question 4

Propagation Reaction

Answer 4

CH4 + Cl –> CH3 + HCl

CH3 + Cl2 –> CH3Cl + Cl

Question 5

Propagation Description

Answer 5

Produces radicals, making it into a chain reaction

Question 6

Termination Reaction

Answer 6

CH3 + CH3 –> C2H6
CH3 + Cl –> CH3Cl
Cl + Cl –> Cl2

Question 7

Termination Description

Answer 7

Radicals are mopped up

products are difficult to predict because the reactions are difficult to control.