Everything about potassium cyanide reaction with halogenoalkanes
Where the ions of potassium are positively charged and those of cyanide are negatively billed. With the nitrogen ion, carbon has 3 bonds. It resembles the crystal structure of crystalline NaCl.KCN is produced by managing hydrogen cyanide with an aqueous solution of potassium hydroxide, accompanied by evaporation on the solution inside a vacuum:[4]