Practice Crystallisation (8.8.2) - Organic chemistry – some Basic Principles and Techniques

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8 questions

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6 sample questions

Question 1.
What is crystallisation?
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Think about purification methods.
Question 2.
What is mother liquor?
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Consider what remains after the solid has crystallised out.
3Question 3.
What is the primary principle behind crystallisation?
- Temperature dependency of solubility
- Color change in solvents
- Pressure changes
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Think about how temperature affects what dissolves.
4Question 4.
Crystallisation is an effective method to purify which of the following?
- True
- False
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Consider its role in labs.
Question 5.
Describe how you would set up a crystallisation experiment to purify an organic compound, considering the properties of the compound and impurities.
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Consider the unique properties of your compound.
Question 6.
Evaluate the effectiveness of crystallisation for a compound that has a very close solubility to its impurities.
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Think about alternative methods to enhance separation.

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