The oral fatal dose of potassium cyanide is: (A) 5-10 mg, (B) 1-2 mg, (C) 200-300 mg, (D) 1-2 gm
Answer is C. Fatal dose: 50 to 60 mg of pure acid 200-300mg of NaCN and KCN Fatal period: HCN 2-10 min NaCN and KCN 30 min Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 472