The key difference between sodium cyanide and potassium cyanide is that sodium cyanide is produced by using treating hydrogen cyanide with sodium hydroxide, whereas potassium cyanide is produced by means of dealing with hydrogen cyanide with potassium hydroxide. POTASSIUM CYANIDE is actually a basic salt and also a decreasing agent. https://louispqmlg.amoblog.com/potassium-cyanide-kya-hai-in-hindi-secrets-51514768