WAEC Chemistry 2025 Objective — Question 35
Question 35 of 50 from the West African Examinations Council (WAEC) Chemistry 2025 Objective paper, with the correct answer and a full explanation.
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Which of the following species is the most powerful reducing agent?
- A. Bromine atom
- B. Chlorine atom
- C. Fluorine atom
- D. Iodine atomCorrect
Explanation
The reducing power of a species is related to its ability to lose electrons and be oxidized. Among halogen atoms, reducing power increases down the group, with iodine being the most powerful because it has the lowest electronegativity, making it easier to lose electrons and be oxidized.
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