Required practical – Carry out simple test-tube reactions to identify transition metal ions in aqueous solution.

Last updated: 02/11/2022
WJEC A-Level Chemistry Unit 3.9 – Acid-base equilibria Required practical – Carry out simple test-tube reactions to identify transition metal ions in aqueous solution.
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  1. Current
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  1. What is the formula for a sulfate ion?

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  2. What observation should be seen when testing for an ammonium ion?

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  3. What happens when a solution of Fe2+^{2+} ions is reacted with excess aqueous ammonia?

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  4. What observation should be seen when testing for a carbonate ion?

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  5. How do you test for a halide ion?

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  6. What is the formula for an ammonium ion?

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  7. What happens when a solution of Fe3+^{3+} ions is reacted with excess aqueous ammonia?

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  8. What is the formula for a carbonate ion?

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  9. What observation should be seen when testing for a halide ion?

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  10. How do you test for metal ions?

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  11. What happens when a solution of Mn2+^{2+} ions is reacted with excess aqueous ammonia?

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  12. What coloured silver precipitate would form when testing for a chloride ion?

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  13. Which solution should be added to test for a metal ion?

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  14. What happens when a solution of Cr3+^{3+} ions is reacted with excess aqueous ammonia?

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  15. What coloured silver precipitate would form when testing for a bromide ion?

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  16. Which solution should be added to test for a metal ion?

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  17. What happens when a solution of Cu2+^{2+} ions is reacted with excess sodium hydroxide?

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  18. What coloured silver precipitate would form when testing for an iodide ion?

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  19. What colour precipitate is formed when aqueous sodium hydroxide is added to Cu2+^{2+} ions?

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  20. What happens when a solution of Fe2+^{2+} ions is reacted with excess sodium hydroxide?

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  21. Write the ionic equation for the reaction between chlorine and silver nitrate.

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  22. What colour precipitate is formed when aqueous sodium hydroxide is added to Fe2+^{2+} ions?

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  23. What happens when a solution of Fe3+^{3+} ions is reacted with excess sodium hydroxide?

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  24. Write the ionic equation for the reaction between bromine and silver nitrate.

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  25. What colour precipitate is formed when aqueous sodium hydroxide is added to Fe3+^{3+} ions?

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