1a)

1b)

In the reaction of Cl2 with ethane and UV light, which of the following reactions would be a propagation event(s)? I) Cl+CH3CH3CH3CH2Cl+H II) Cl+CH3CH3CH3H2C+HCl III) Cl+CH3H2CCH3CH2Cl IV) Cl2+CH3H2CCH3CH2Cl+Cl V) Cl2+UV light Cl++Cl. I and V II, III and IV II and IV I and IV The bond dissociation energy is the amount of energy required to break a bond heterolytically via hydrogenation homolytically