Seliwanoff's test is positive in:: (A) Glucose, (B) Fructose, (C) Galactose, (D) Mannose
Answer is B. Ans. B. FructoseSeliwanoff's test is a specific test for ketohexoses. It consists of resorcinol with HCL. It reacts with ketoses forming furfurals and then condenses to form a cherry colored complex. Given by fructose, sucrose.