FeCl test is used in diagnosis of: (A) HCl, (B) Acetic acid, (C) Alcohol, (D) Phenol
Answer is D. Diagnosis of phenol poisoning change in color of urine(carboluria) Ferric chloride when added color of urine turns blue. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 414