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Multiple Choice
Ethanol, propanol, and methanol are three simple alcohols. They can be grouped together because they __________.
A
are soluble in water
B
are hydrophobic
C
all contain a carbonyl group
D
share the same functional group: a hydroxyl
Verified step by step guidance
1
Identify the common characteristic of ethanol, propanol, and methanol. These are all simple alcohols.
Understand that alcohols are organic compounds that contain a hydroxyl group (-OH) as their functional group.
Recognize that the hydroxyl group is responsible for the properties of alcohols, such as their ability to form hydrogen bonds.
Consider the options given: solubility in water, being hydrophobic, and containing a carbonyl group. Note that alcohols are generally soluble in water due to their hydroxyl group, but they are not hydrophobic.
Conclude that the correct grouping characteristic for ethanol, propanol, and methanol is that they all share the same functional group: a hydroxyl group.