AQA Jun 2017 Paper 1 Q7

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14An aqueous solution Y is known to contain one type of group 2 metal ion and one type of negative ion. Aqueous solutions of sulfuric acid and magnesium nitrate are added to separate samples of solution Y. The observations are shown in Table 5. Table 5 Solution added Sulfuric acid Magnesium nitrate Observation with solution Y A white precipitate forms A white precipitate forms Suggest the identity of the group 2 metal ion present in solution Y. Write an ionic equation, including state symbols, for the reaction that takes place when sulfuric acid is added to solution Y. [2 marks] Group 2 metal ion Ionic equation Suggest the identity of the negative ion present in solution Y. Write an ionic equation, including state symbols, for the reaction that takes place when magnesium nitrate is added to solution Y. [2 marks] Negative ion Ionic equation IB/M/Jun17/7404/1 0 7 0 7 . 1 0 7 . 2 *14*<br />

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