Primary alcohols react with HCl, HBr or HI via SN2 mechanisms to form haloalkanes.   Secondary alcohols react with [ Select ] Any HX HCl, HBr or HI HF, HCl, or HBr H2SO4 any strong acid none of these via [ Select ] SN1 SN2 E1 E2 none of these mechanisms to form haloalkanes. This reaction does not also give alkenes as a product because this mechanism can for alkenes but they react with the acid reagent多重下拉选择题