Multiple Choice
Which functional group is responsible for the yellow-orange coloration of leaves in the fall?
2. Molecular Representations
Functional Groups
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Which of the following is not a functional group commonly found in organic molecules?
A
Methyl group
B
Hydroxyl group
C
Helium atom
D
Carboxyl group
Verified step by step guidance1
Identify the functional groups listed in the problem: Methyl group, Hydroxyl group, Carboxyl group, and Helium atom.
Understand what a functional group is: A functional group is a specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.
Review the common functional groups in organic chemistry: Methyl group (CH₃), Hydroxyl group (OH), and Carboxyl group (COOH) are all common functional groups.
Recognize that Helium is a noble gas element, not a functional group. It does not participate in chemical bonding in the same way functional groups do.
Conclude that Helium atom is not a functional group commonly found in organic molecules, as it does not contribute to the chemical reactivity or structure of organic compounds.
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