Required practical – Test for ions.

Last updated: 02/11/2022
WJEC A-Level Chemistry Unit 2.2 – Rates of reaction Required practical – Test for ions.
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  1. Current
  2. Review
  3. Answered

  1. How do you test for metal ions?

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

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

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

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

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

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  7. What colour precipitate is formed when aqueous sodium hydroxide is added to Mn2+^{2+} ions?

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  8. What colour precipitate is formed when aqueous sodium hydroxide is added to Cr3+^{3+} ions?

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  9. What colour precipitate is formed when aqueous ammonia is added to Cu2+^{2+} ions?

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  10. What colour precipitate is formed when aqueous ammonia is added to Fe2+^{2+} ions?

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  11. What colour precipitate is formed when aqueous ammonia is added to Fe3+^{3+} ions?

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  12. What colour precipitate is formed when aqueous ammonia is added to Mn2+^{2+} ions?

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  13. What colour precipitate is formed when aqueous ammonia is added to Cr3+^{3+} ions?

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  14. What happens when a solution of Cu2+^{2+} ions reacts with excess aqueous ammonia?

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  15. What happens when a solution of Fe2+^{2+} ions reacts with excess aqueous ammonia?

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  16. What happens when a solution of Fe3+^{3+} ions reacts with excess aqueous ammonia?

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  17. What happens when a solution of Mn2+^{2+} ions reacts with excess aqueous ammonia?

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  18. What happens when a solution of Cr3+^{3+} ions reacts with excess aqueous ammonia?

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  19. What happens when a solution of Cu2+^{2+} ions reacts with excess sodium hydroxide?

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

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  21. What happens when a solution of Fe3+^{3+} ions reacts with excess sodium hydroxide?

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  22. What happens when a solution of Mn2+^{2+} ions reacts with excess sodium hydroxide?

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  23. What happens when a solution of Cr3+^{3+} ions reacts with excess sodium hydroxide?

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  24. What colour is a solution containing Cu2+^{2+} ions?

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  25. What colour is a solution containing Fe2+^{2+} ions?

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