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Multiple Choice
Which of the following is not a functional group commonly found in organic molecules?
A
Amino group
B
Carboxyl group
C
Hydroxyl group
D
Sodium ion
Verified step by step guidance
1
Identify the functional groups listed in the options: Amino group, Carboxyl group, and Hydroxyl group.
Understand that a functional group is a specific group of atoms within a molecule that is responsible for a characteristic chemical reaction of that molecule.
Recognize that the Amino group (\(\text{-NH}_2\)), Carboxyl group (\(\text{-COOH}\)), and Hydroxyl group (\(\text{-OH}\)) are all common functional groups in organic chemistry.
Consider the nature of a sodium ion (\(\text{Na}^+\)), which is a metal cation and not a functional group.
Conclude that the sodium ion is not a functional group commonly found in organic molecules, unlike the other options listed.