Multiple Choice
Which of the following functional groups is present in cyanobacteria that allows them to perform photosynthesis?
2. Molecular Representations
Functional Groups
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Which of the following is not a functional group commonly found in organic molecules?
A
Carbonyl group
B
Chlorophyll
C
Amino group
D
Hydroxyl group
Verified step by step guidance1
Step 1: Begin by understanding what a functional group is. In organic chemistry, a functional group is a specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.
Step 2: Review the list of common functional groups in organic chemistry. These include groups like hydroxyl (OH), carbonyl (C=O), amino (NH2), carboxyl (COOH), and others.
Step 3: Examine each option provided in the problem. Identify which ones are known functional groups. The carbonyl group (C=O) is a common functional group found in aldehydes and ketones. The amino group (NH2) is a functional group found in amines and amino acids. The hydroxyl group (OH) is a functional group found in alcohols.
Step 4: Consider the option 'Chlorophyll'. Chlorophyll is not a functional group; it is a complex molecule involved in photosynthesis in plants. It does not fit the definition of a functional group as it is not a specific group of atoms responsible for chemical reactions in organic molecules.
Step 5: Conclude that 'Chlorophyll' is the option that is not a functional group commonly found in organic molecules, based on the definitions and examples of functional groups.
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