Multiple Choice
Which of the following molecules contains an amino functional group but is not classified as an amino acid?
2. Molecular Representations
Functional Groups
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Which of the following is not a functional group commonly found in organic molecules?
A
Hydroxyl group
B
Carboxyl group
C
Amino group
D
Nitrogen gas
Verified step by step guidance1
Step 1: Begin by understanding what a functional group is. A functional group is a specific group of atoms within a molecule that is responsible for a characteristic chemical reaction of that molecule.
Step 2: Review the common functional groups in organic chemistry. These include hydroxyl groups (\(\)), carboxyl groups (\(\)), and amino groups (\(\)).
Step 3: Consider the properties of nitrogen gas (\(\)). Nitrogen gas is a diatomic molecule and is not a functional group. It is a stable molecule that does not typically participate in the characteristic reactions of organic molecules.
Step 4: Compare nitrogen gas with the other options. While hydroxyl, carboxyl, and amino groups are reactive and participate in chemical reactions, nitrogen gas does not have the same reactivity or function in organic chemistry.
Step 5: Conclude that nitrogen gas is not a functional group commonly found in organic molecules, unlike the other options provided.
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