PAG 6.2 – Preparation of benzoic acid
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Question 1 of 38
1. Question
What concentration of hydrochloric acid will be used?
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Question 2 of 38
2. Question
What type of volumetric flask should be used?
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Question 3 of 38
3. Question
For parts 1 and 2, what type of measuring cylinder should be used?
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Question 4 of 38
4. Question
How much methyl benzoate should be used in part 1?
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Question 5 of 38
5. Question
How much sodium hydroxide should be used in part 1?
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Question 6 of 38
6. Question
How much ethanol should be used in part 1?
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Question 7 of 38
7. Question
How can benzoic acid be prepared from an ester?
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Question 8 of 38
8. Question
How many parts are there to this experiment?
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Question 9 of 38
9. Question
For parts 1 and 2, what type of pipette should be used?
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Question 10 of 38
10. Question
To how many decimal places should the balance used be to?
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Question 11 of 38
11. Question
What type of flask is used during parts 1 and 2?
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Question 12 of 38
12. Question
Which of the following should be added to the round-bottomed flask during part 1?
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Question 13 of 38
13. Question
What process should be done to the round-bottomed flask during part 1?
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Question 14 of 38
14. Question
What process should be done to the round-bottomed flask during part 1?
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Question 15 of 38
15. Question
Which indicator should be used?
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Question 16 of 38
16. Question
How many drops of methyl orange should be added during part 1?
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Question 17 of 38
17. Question
What process should be used during part 2?
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Question 18 of 38
18. Question
What process should be used during part 2?
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Question 19 of 38
19. Question
What process should be used during part 2?
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Question 20 of 38
20. Question
What process should be used during part 3?
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Question 21 of 38
21. Question
What is one hazard when using methyl benzoate within an experiment?
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Question 22 of 38
22. Question
What is one hazard when using benzoic acid within an experiment?
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Question 23 of 38
23. Question
What is one hazard when using aspirin within an experiment?
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Question 24 of 38
24. Question
What is one hazard when using aspirin within an experiment?
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Question 25 of 38
25. Question
What is one hazard when using iodine crystals within an experiment?
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Question 26 of 38
26. Question
For parts 1 and 2, what type of pipette should be used?
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Question 27 of 38
27. Question
What is one hazard when using sodium hydroxide within an experiment?
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Question 28 of 38
28. Question
What is one hazard when using ethanol within an experiment?
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Question 29 of 38
29. Question
What is the actual yield of benzoic acid?
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Question 30 of 38
30. Question
What is the theoretical yield of benzoic acid?
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Question 31 of 38
31. Question
What is the percentage yield of benzoic acid?
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Question 32 of 38
32. Question
What is the melting point of benzoic acid?
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Question 33 of 38
33. Question
When carrying out chromatography, how far up should the pencil line be drawn?
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Question 34 of 38
34. Question
How many crystals should be placed on the watch glass when completing chromatography?
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Question 35 of 38
35. Question
How long should it roughly take for a chromatogram to form?
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Question 36 of 38
36. Question
What should the TLC plate be placed under when finished?
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Question 37 of 38
37. Question
What should the crystals be dissolved in when using chromatography?
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Question 38 of 38
38. Question
What should be calculated from a chromatogram?
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