WAEC Chemistry 2024 Objective — Question 48
Question 48 of 50 from the West African Examinations Council (WAEC) Chemistry 2024 Objective paper, with the correct answer and a full explanation.
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48. The oxidation number of iron in its free state is
- A. 0Correct
- B. +1
- C. +2
- D. +3
Explanation
The oxidation number of any element in its free (uncombined) state is zero.
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