Fatal dose of potassium cyanide is?: (A) 5 mg, (B) 10 mg, (C) 20 mg, (D) 200 mg
Answer is D. ANSWER: (D) 200 mgREF: Textbook Of Forensic Medicine and Toxicology: Principles and Practice by Vij page 695Fatal dose of cyanide:HCN gas - 100-200 ppm in airHCN liquid- 50-60 mgKCN, NaCN- 150-300 mg (200 mg as per Parikh)