The Free-Radical Chain Reaction Initiation:Generates a CIC:+ photon(hv)→ Propagation:The radical intermediate reacts with a molecule to produce another radical intermediate and a product molecule. First propagation step H H-CI H methane chlorine atom methvl radical hvdrogen chloride Second propagation step H H H H + H H methyl radical chlorine molecule chloromethane chlorine atom OVERALL H- H CI-CI heat or light H H-CI REACTION H methane chlorine chloromethane hydrogen (methyl chloride) chloride smieenlacam he Chapter 4 2 Chapter 4 2 The Free-Radical Chain Reaction Initiation: Generates a ________ ___________ Propagation: The radical intermediate reacts with a ______ molecule to produce another radical intermediate and a product molecule. OVERALL REACTION