PAG 7.2 – Identifying organic unknowns 2

Last updated: 12/03/2020
OCR-A A-Level Chemistry Testing for organic functional groups PAG 7.2 – Identifying organic unknowns 2
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  1. Current
  2. Review
  3. Answered

  1. What type of pipette should be used?

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  2. How many parts are there to this experiment?

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  3. What is one hazard when using ethanol within an experiment?

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  4. What is one hazard when using propan-2-ol within an experiment?

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  5. What is one hazard when using propan-2-ol within an experiment?

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  6. What is one hazard when using 2-methylpropan-2-ol within an experiment?

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  7. What is one hazard when using 2-methylpropan-2-ol within an experiment?

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  8. What is one hazard when using potassium dichromate within an experiment?

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  9. What is one hazard when using potassium dichromate within an experiment?

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  10. What is being identified during part 1?

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  11. How much of each alcohol should be placed onto the spotting tiles during part 1?

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  12. How long should the colour change be observed during part 1?

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  13. What is one hazard when using propanal within an experiment?

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  14. What is one hazard when using propanal within an experiment?

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  15. What is one hazard when using propanone within an experiment?

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  16. What is one hazard when using propanone within an experiment?

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  17. What is one hazard when using sodium hydroxide within an experiment?

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  18. What is one hazard when using ammonia within an experiment?

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  19. What concentration of aqueous potassium dichromate is used?

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  20. What concentration of aqueous silver nitrate is used?

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  21. What concentration of aqueous sodium hydroxide is used?

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  22. What concentration of aqueous ammonia is used?

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  23. What is being identified during part 1?

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  24. How much aqueous silver nitrate should be used during part 2?

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  25. How much sodium hydroxide solution should be used during part 2?

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