Potassium cyanide (KCN) was a vital supply of alkali metal cyanides before the invention of the Castner system. It absolutely was produced by the decomposition of potassium ferrocyanide. The response is as follows: Despite the fact that HF could be named hydrogen fluoride, it is provided another name for emphasis https://augustdtdku.digiblogbox.com/55561797/how-much-you-need-to-expect-you-ll-pay-for-a-good-is-potassium-cyanide-dangerous