The crucial element difference between sodium cyanide and potassium cyanide is sodium cyanide is manufactured via dealing with hydrogen cyanide with sodium hydroxide, whereas potassium cyanide is generated via treating hydrogen cyanide with potassium hydroxide. It is a crystalline salt which has no colour and is very toxic and soluble https://what-is-potassium-cyanide92479.wikikali.com/832288/the_basic_principles_of_potassium_cyanide_symptoms