This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: nutrition and digestion, Subject name: Biochemistry
[{'content': "Conversion of Fe+2 to F+3 reaction is called \nSelect and explain. \nA. Haber weiss reaction, B. Fenton's reaction, C. Ne rns t reaction, D. Donnan reaction", 'role': 'user'}, {'content': 'Answer: B \nExplanation: For Options A & B refer image. Option D :When two solutions containing ions are seperated by a membrane that is permeable to some of the ions and not to others an electrochemical equillibrium is established.', 'role': 'assistant'}]