Potassium cyanide (KCN) is a very toxic chemical compound with the formula KCN. It appears as a bright, crystalline substance that's highly soluble in water. The compound includes potassium cations (K⁺) and cyanide anions (CN⁻), making it a potent inhibitor of cellular respiration. When dissolved in water, potassium cyanide produces hydrogen cyanide (HCN), a colorless gas that is extremely...
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