Positive Fouchet's test gives which color?: (A) Red, (B) Green, (C) Violet, (D) Yellow
Answer is B. Fouchet's test : This test is also employed for the detection of bile pigments. Bile pigments are adsorbed on  barium sulfate. Fouchet's reagents (containing ferric chloride in  trichloroacetic acid) oxidizes bilirubin to biliverdin (green) and bilicyanin (blue).
Satyanarayana, Ed 3, Pg No 767