Multiple Choice
Hydrophobic molecules:
a) Are polar covalent molecules.
b) Easily dissolve in water.
c) Are nonpolar water 'fearing' molecules.
d) Are nonpolar water 'loving' molecules.
2. Cell Chemistry & Cell Components
Properties of Water- The Universal Solvent
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A molecule that has all nonpolar covalent bonds would be __________.
A
hydrophilic
B
acidic
C
basic (alkaline)
D
hydrophobic
Verified step by step guidance1
Understand the concept of polarity: Polar covalent bonds occur when there is an unequal sharing of electrons between atoms, leading to partial charges. Nonpolar covalent bonds occur when electrons are shared equally, resulting in no charge separation.
Recognize the properties of nonpolar molecules: Molecules with nonpolar covalent bonds do not have charged regions, making them less likely to interact with polar substances like water.
Define hydrophilic and hydrophobic: Hydrophilic substances are attracted to water and typically have polar or charged regions. Hydrophobic substances repel water and are usually nonpolar.
Apply the concept to the problem: Since the molecule has all nonpolar covalent bonds, it lacks charged regions and will not interact favorably with water, making it hydrophobic.
Conclude the reasoning: Based on the properties of nonpolar molecules and their interaction with water, the correct answer is that the molecule would be hydrophobic.
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