Multiple Choice
Which functional group is primarily responsible for the absorption of light energy in chlorophyll molecules during photosynthesis?
2. Molecular Representations
Functional Groups
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Which of the following is a characteristic of a functional group in organic chemistry?
A
Functional groups determine the solubility of a compound.
B
Functional groups are always composed of carbon and hydrogen atoms.
C
Functional groups are the main source of energy in macronutrients.
D
Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.
Verified step by step guidance1
Understand that a functional group in organic chemistry is a specific group of atoms within a molecule that is responsible for the characteristic chemical reactions of that molecule.
Recognize that functional groups are not always composed of carbon and hydrogen atoms; they often include other elements such as oxygen, nitrogen, sulfur, etc.
Acknowledge that functional groups influence the solubility of a compound by affecting its polarity and ability to form hydrogen bonds with water.
Note that functional groups are not the main source of energy in macronutrients; rather, they are involved in the chemical reactivity and properties of organic molecules.
Conclude that the correct characteristic of a functional group is its role in determining the chemical reactions and properties of organic molecules, not its composition or energy content.
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