Biochemistry Which of the following gives a positive reaction with Ferric chloridea) Phenylketonuriab) Alkaptonuriac) Maple syrup urine disease d) None A ac B a C ad D ab 💡 Explanation Which of the following gives a positive reaction with Ferric chloridea) Phenylketonuriab) Alkaptonuriac) Maple syrup urine disease d) None ✓ Correct Answer: D. ab