Given the reactivity difference for the 4- positionversus the 1-position, do you think that the chlorine atomstabilizes, destabilizes or has no effect on an adjacent radical?Is it the Resonance or Inductive effect?
Use: 1,4-dichlorobutane, 1,3-dichlorobutane,1,2-dichlorobutane and 1,1-dichlorobutane