WAEC Chemistry 2021 Theory — Question 4
Question 4 of 31 from the West African Examinations Council (WAEC) Chemistry 2021 Theory paper, with the correct answer and a full explanation.
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1(d). Consider the following table: Element A, B, C with Ionization energy (kJmol⁻¹) 619, 518, 594 respectively. (i) State which of the elements is the strongest reducing agent. (ii) Give a reason for the answer stated in (i).
Model answer
(i) Element B is the strongest reducing agent. (ii) It has the lowest ionization energy (518 kJmol⁻¹), so it loses its outermost electron most easily, making it the strongest reducing agent.
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