This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory chain, Subject name: Biochemistry
Strongest oxygen radical amongst the following is 
Select and explain. 
A. O2-, B. OH-, C. H2O2, D. HCIO
B: OH-
Answer: B: OH- 
Explanation: Reactive Oxygen Species (ROS) radicals like the hydroxyl radical . It is the most reactive of them all; note how it differs from the hydroxyl ion . the superoxide anion which is both ion and radical