Which of the following alcohols is most soluble in water? (2022)

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Question: Which of the following alcohols is most soluble in water? (2022)

Options:

Correct Answer: 2-butanol

Exam Year: 2022

Solution:

2-butanol has a higher solubility in water due to its ability to form hydrogen bonds more effectively than the others.

Which of the following alcohols is most soluble in water? (2022)

Which of the following alcohols is most soluble in water? (2022)

Step 1: Understand that solubility in water is influenced by the ability of a substance to form hydrogen bonds with water.
Step 2: Identify the alcohols being compared. In this case, we are looking at 2-butanol and possibly other alcohols.
Step 3: Recognize that alcohols have a hydroxyl group (-OH) that can form hydrogen bonds with water.
Step 4: Compare the structure of 2-butanol with other alcohols. 2-butanol has a moderate-sized carbon chain and a hydroxyl group.
Step 5: Determine that 2-butanol can effectively form hydrogen bonds with water due to its structure.
Step 6: Conclude that because of its ability to form hydrogen bonds, 2-butanol is more soluble in water than the other alcohols.

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