Propan-2-ol can be changed into 2-chloropropane by using reagent M first and then reagent N. Which row is correct?
- Aconcentrated $\text{NaOH}$; $\text{Cl}_2$
- Bconcentrated $\text{H}_2\text{SO}_4$; $\text{Cl}_2$
- Cconcentrated $\text{H}_3\text{PO}_4$; $\text{HCl}$
- Dconcentrated $\text{NaOH}$; $\text{HCl}$