Chocolate or copper brown post moem staining is seen in all of the following causes of death, except:: (A) Nitrates, (B) Aniline dyes, (C) Clostridium perfringence, (D) Potassium chlorate
Answer is C. Nitrates, Potassium chlorate, Potassium bicarbonate, Aniline, all produce chocolate or copper brown post-moem staining. Clostridium perfingence causes bronze pigmentation in septic aboion.