Required practical – Preparation of a pure organic solid and test of its purity and a pure organic liquid.
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Question 1 of 28
1. Question
How much ethanoic anhydride is added to the salicylic acid during the first part of the experiment?
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Question 2 of 28
2. Question
How much sulfuric acid is added to the sailcylic acid during the first part of the experiment?
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Question 3 of 28
3. Question
How long should the conical flask be warmed during the first part of the experiment?
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Question 4 of 28
4. Question
What is aspirin prepared from?
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Question 5 of 28
5. Question
At what temperature should the conical flask be warmed at during the first part of this experiment?
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Question 6 of 28
6. Question
What type of reaction is needed to turn salicylic acid into aspirin?
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Question 7 of 28
7. Question
What is formed after the conical flask is heated, during the first part of the experiment?
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Question 8 of 28
8. Question
Which acylating agent is used to prepare an aspirin from salicylic acid?
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Question 9 of 28
9. Question
What compound is filtered off under reduced pressure during the first part of the experiment?
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Question 10 of 28
10. Question
Write an equation for the reaction between salicylic acid and ethanoic anhydride.
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Question 11 of 28
11. Question
What type of funnel is used during filtration under reduced pressure?
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Question 12 of 28
12. Question
Other than aspirin, what else is formed when salicylic acid is reacted with ethanoic anhydride?
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Question 13 of 28
13. Question
What should be measured into a boiling tube initially during the second part of the experiment?
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Question 14 of 28
14. Question
What conditions does aspirin react in?
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Question 15 of 28
15. Question
What compound is filtered off under reduced pressure during the second part of the experiment?
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Question 16 of 28
16. Question
Which type of conical flask is used during the second part of the experiment?
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Question 17 of 28
17. Question
When analysing your results what theoretical yield should be calculated?
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Question 18 of 28
18. Question
Which type of measuring cylinder is used during the first part of the experiment?
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Question 19 of 28
19. Question
When analysing your results what percentage yield should be calculated?
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Question 20 of 28
20. Question
Which type of beaker is used during the first part of the experiment?
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Question 21 of 28
21. Question
When analysing your results what atom economy should be calculated?
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Question 22 of 28
22. Question
What is the conical flask first filled with during the first part of the experiment?
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Question 23 of 28
23. Question
How can the purity of an organic solid be tested?
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Question 24 of 28
24. Question
How much salicylic acid is weighed out during the first part of this experiment?
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Question 25 of 28
25. Question
How can the measuring points of organic solids be compared?
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Question 26 of 28
26. Question
What else is put into the conical flask with the salicylic acid during the first part of the experiment?
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Question 27 of 28
27. Question
What state should the organic compound turn when melted?
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Question 28 of 28
28. Question
What else is put into the conical flask with the salicylic acid during the first part of the experiment?
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