Multiple Choice
Organic compounds are distinguished by molecules that contain bonded to other elements.
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2. Molecular Representations
Functional Groups
Multiple Choice
Which of the following sets correctly identifies four functional groups commonly found in organic molecules?
A
Alcohol, ketone, amine, and carboxylic acid
B
Ether, alkane, cycloalkane, and alkene
C
Arene, alkyl halide, nitro, and alkane
D
Alkane, alkene, alkyne, and ether
Verified step by step guidance1
Understand what a functional group is: a specific group of atoms within molecules that is responsible for the characteristic chemical reactions of those molecules.
Review the common functional groups in organic chemistry, such as alcohols (-OH), ketones (C=O within carbon chain), amines (-NH2 or derivatives), and carboxylic acids (-COOH).
Analyze each set of groups given in the options to determine if they are functional groups or simply classes of hydrocarbons or other categories:
- Alcohol, ketone, amine, and carboxylic acid are all functional groups because they contain specific reactive atoms or bonds.
- Ether, alkane, cycloalkane, and alkene include ethers (functional group) but also alkanes, cycloalkanes, and alkenes which are classes of hydrocarbons, not functional groups.
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