Overall Reaction H.muc -H H :CI:Cl:+photon (v):CI+CI +H-CI H H-C H H -H+C-CI H- +H-C => H Chapter 4 8Chapter 4 8 Overall Reaction C H H H H + Cl C H H H + H Cl C H H H + Cl Cl C H H H Cl + Cl C H H H H + Cl Cl C H H H Cl + H Cl => Cl Cl + photon ( h) Cl + Cl