The correct options are
A Potassium permanganate
B Hydrochloric acid
Chlorine gas is prepared in the lab using potassium permanganate and hydrochloric acid. When the dark purple powders of the potassium permanganate salt
(KMnO4) reacts with hydrochloric acid (HCl), potassium chloride, manganese chloride, water and chlorine is produced as products.