WAEC Chemistry 2021 Objective — Question 47
Question 47 of 50 from the West African Examinations Council (WAEC) Chemistry 2021 Objective paper, with the correct answer and a full explanation.
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47. Which of the following statements about elements in Group VII is correct?
- A. Br will oxidize Cl⁻
- B. F2 has the least tendency to be reduced
- C. Cl2 will oxidize I⁻Correct
- D. I2 is a stronger oxidizing agent than F2
Explanation
A more reactive (higher) halogen can displace/oxidize the ion of a less reactive one. Chlorine, being more reactive than iodine, oxidizes I⁻ to I2.
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