From the choices provided below, list the reagent(s) in order that will react with 1-butanol to form 1-chloro-2-butanol.(Specify the reagents you would use to carry out the conversion by using letters from the table. The reaction may require more than one step, if so, write the letters in the order that they are used, e.g., abc. No more than four steps are required for this synthesis. If two or more ways of conversion to the same product are possible, show only one of them.) Reagents available a. Br2, CCl4 f. NaNH2 (3 equivalents) k. NH3 b. HS?Na+, H2O g. H2O l. SOCl2, pyridine c. H3PO4, heat h. H2SO4, H2O m. OsO4 / H2O2 d. Cl2 / H2O i. HBr, heat n. pyridinium chlorochromate (PCC) e. K2Cr2O7, H2SO4, H2O, heat j. RCO3H