potassium

a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite

इसके मुख्य यौगिक क्षारातु, दहातु और भ्राजातु के ब्रोमाइड नामक स्थान में हैं।

The compounds made by potassium are used as catalysts in preparation of alcohol.