Practice Physical Properties (12) - Chapter 11: Alcohols, Phenols, and Ethers

Practice: Physical Properties

Lesson 12Alcohols, Phenols, and Ethers

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8 questions

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6 sample questions

Question 1.
What is the effect of increasing molecular mass on the solubility of alcohols?
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Remember the 'like dissolves like' principle.
Question 2.
Which compound has a higher boiling point: ethanol or butanol?
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Think about how many hydroxyl groups they have.
3Question 3.
The solubility of alcohols in water decreases with:
- Increasing temperature
- Decreasing molecular mass
- Increasing molecular mass
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Reflect on the properties of the hydroxyl group versus the hydrocarbon chain.
4Question 4.
True or False: The boiling point of an alcohol increases with the number of -OH groups.
- True
- False
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Think about ways to overcome intermolecular forces in boiling.
Question 5.
Discuss the expected trends in solubility and boiling point as you transition from ethanol to decanol. Provide reasoning.
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Compare how many -OH groups each compound has.
Question 6.
Calculate the predicted boiling points of pentanol and hexanol based on the principles discussed and justify your reasoning.
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Use the relationships between -OH groups, hydrogen bonding, and boiling point.

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