Multiple Choice
Which of the following is not a functional group found in pyrimidines?
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2. Molecular Representations
Functional Groups
Multiple Choice
What is the main characteristic that distinguishes hydrophilic functional groups from hydrophobic ones?
A
Hydrophilic groups repel water.
B
Hydrophilic groups are attracted to water.
C
Hydrophilic groups are insoluble in water.
D
Hydrophilic groups are non-polar.
Verified step by step guidance1
Understand the terms 'hydrophilic' and 'hydrophobic': Hydrophilic means 'water-loving' and refers to substances that interact well with water, while hydrophobic means 'water-fearing' and refers to substances that do not interact well with water.
Identify the key characteristic of hydrophilic groups: Hydrophilic functional groups are typically polar, meaning they have a distribution of charge that allows them to interact with water molecules, which are also polar.
Recognize the types of interactions: Hydrophilic groups can form hydrogen bonds or electrostatic interactions with water molecules, enhancing their solubility in water.
Contrast with hydrophobic groups: Hydrophobic groups are usually non-polar, lacking the charge distribution necessary to interact with water, leading to their insolubility in water.
Summarize the main characteristic: The main characteristic that distinguishes hydrophilic functional groups is their ability to attract and interact with water due to their polar nature.
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