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OCR - A-Level - Chemistry - Testing for Ions Flowchart

Josh Anderson Chemistry A level English 5.0Average rating 5.0 out of 5 (3 ratings)

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  1. Testing for ions

  2. Add dilute strong acid

  3. Bubble the gas released through limewater

  4. Does it go cloudy?

  5. Carbonate ion, CO3 ^(2-)

  6. Yes

  7. Add dilute hydrochloric acid and barium chloride

  8. Is a white precipitate formed?

  9. Sulfate ion,

    SO4 ^(2-)

  10. Dissolve in water

  11. No

  12. Yes

  13. Add aqueous silver nitrate

  14. Is the colour obvious?

  15. Add dilute

    aqueous ammonia

  16. No

  17. No

  18. Note the colour

  19. Is the colour obvious?

  20. Yes

  21. Yes

  22. Add concentrated aqueous ammonia

  23. Is the colour obvious?

  24. Yes

  25. Is there a white precipitate?

  26. Silver chloride, AgCl

  27. No

  28. No

  29. Is there a cream precipitate?

  30. Silver bromide, AgBr

  31. Is there a yellow precipitate?

  32. Silver iodide, AgI

  33. Does it dissolve in dilute ammonia?

  34. Does it dissolve in concentrated

    ammonia?

  35. Yes

  36. Yes

  37. Yes

  38. Yes

  39. No

  40. No

  41. No

  42. No

  43. No

  44. Add sodium hydroxide solution and heat

  45. Test the gas released

  46. Does it turn red litmus paper blue?

  47. No

  48. Ammonium ions

  49. Yes

Information

Description
A level Chemistry (Module 3) Flowchart on OCR - A-Level - Chemistry - Testing for Ions Flowchart, created by Josh Anderson on 08/02/2017.
Created by
Josh Anderson
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