Choose all possible reagents for the reaction of a primary alcohol to alkyl halide and, for part B, choose all possible reagents for a primary alcohol to alkene reaction A) HBr with heat, thionyl chloride with base, HCl with heat, PBr3, concentrated sulfuric acid with heat, HF with heat, NaOH with heat B) Concentrated sulfuric acid with heat, HCl with heat, HF with heat, NaOH with heat, PBr3, thionyl chloride with base, HBr with heat