Monthly Archives: July 2017

Chlorine gas is a pale greenish yellow color. (W. Oelen)
These are instructions for preparing chlorine gas (Cl2) from potassium permanganate and concentrated hydrochloric acid. Reactants Only two chemicals are needed: potassium permanganate concentrated hydrochloric acid Gas Preparation Add concentrated hydrochloric acid dropwise onto a small quantity of potassium permanganate crystals (in a flask). Collect the chlorine gas by upward displacement of air […]

How to Make Chlorine Gas