In the reaction of Cl2 with ethane and UV light, which of th…

In the reaction of Cl2 with ethane and UV light, which of the following reactions would be a chain termination event(s)?I) Cl∙ + CH3-CH3 → CH3-CH2-Cl + H∙II) Cl∙ + CH3-CH3 → CH3-H2C∙ + HClIII) Cl∙ + CH3-H2C∙ → CH3-CH2-ClIV) Cl2 + CH3-H2C∙ → CH3-CH2-Cl + Cl∙V) Cl2 + UV light → C l∙ + Cl∙