Gold hydrocyanic acid is a chemical compound that is referred to by multiple synonyms, depending on the context in which it is used. Alternative names for this compound include auric acid, hydrogen gold cyanide, and acid gold cyanide. The compound is often used in gold electroplating processes and in the production of gold nanoparticles. It is important to note that gold hydrocyanic acid is a highly toxic compound that can cause significant harm to humans and the environment. Proper handling techniques and safety measures must be taken when working with this compound to prevent harmful exposure.