WAEC Chemistry 2015 Theory — Question 40

Question 40 of 49 from the West African Examinations Council (WAEC) Chemistry 2015 Theory paper, with the correct answer and a full explanation.

4(d)(ii). Write a balanced chemical equation for each of the reactions in 4(d)(i).

Model answer

I. Cl₂(g) + 2NaI(aq) → 2NaCl(aq) + I₂(aq). II. 2Fe(s) + 3Cl₂(g) → 2FeCl₃(s). III. AgNO₃(aq) + NaBr(aq) → AgBr(s) + NaNO₃(aq).

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