Alcohols to alkyl Halides OH HX (HCI or HBr) +HOH rapid SN1 3 alcohol HX -X OH HOH moderate SN1 2°alcoholAlcohols to Alkyl Halides OH 3 alcohol o HX (HCl or HBr) X + HO H rapid SN1 OH HX moderate S N1 X + HO H 2 alcohol o