Where the ions of potassium are positively charged and people of cyanide are negatively charged. With the nitrogen ion, carbon has three bonds. It resembles the crystal structure of crystalline NaCl. Hydrolysis (the conversation with water) causes the wet solid to release trace quantities of hydrogen cyanide. An ordinary description https://elliottrolff.blogdeazar.com/29738750/indicators-on-potassium-cyanide-fisher-you-should-know