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CH1012
CHAIN TERMINATION
Termination   
by-product
product
reactant

Overall        CH4 + Cl2 ®   CH3Cl + HCl
In the presence of excess Cl2 further
chlorination occurs.
      CH3Cl  ®   CH2Cl2 ® CHCl3 ® CCl4 
The latter 3 compounds are industrial
solvents which are separated by
fractional distillation.