How Chlorine Was Discovered?

Chlorine was discovered in 1774 by Carl Wilhelm Scheele

. He obtained it through the reaction of the mineral pyrolusite (manganese dioxide, MnO₂) with hydrochloric acid (HCl, then known as muriatic acid). ... Sir Humphry Davy proposed and confirmed chlorine to be an element in 1810, and he also named the element.

Where was chlorine found?

Chlorine can be found in abundance in both the Earth's crust and in ocean water. In the ocean, chlorine is found as part of the compound sodium chloride (NaCl), also known as table salt. In the Earth's crust, the most common minerals containing chlorine include halite (NaCl), carnallite, and sylvite (KCl).

Is chlorine an acid or base?

When chlorine is added to water, it forms a weak acid called hypochlorous acid.