Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Hydrogen cyanide is a colorless, highly toxic chemical compound that consists of hydrogen and cyanide ions. It has the molecular formula HCN and is commonly used in industries such as mining, metallurgy, and electroplating.
Related terms
Cyanide Ion: A negatively charged ion consisting of one carbon atom bonded to one nitrogen atom. It has the chemical formula CN-.
Hydrogen Atom: The simplest element in the periodic table, represented by the letter H. It consists of one proton and one electron.