CH₃−CH⁺−CH₂−OH
CH₃−CH⁺−CH₂−Cl
CH₃−CH(OH)−CH₂⁺
CH₃−CH(Cl)−CH₂⁺
The reaction of propene with HOCl (Cl₂ + H₂O) proceeds through the intermediate CH₃−CH⁺−CH₂−Cl.