Multiple Choice
In the context of organic chemistry, what are the advantageous 'attributes' of functional groups known as?
2. Molecular Representations
Functional Groups
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Which of the following is a functional group present in chlorophyll b?
A
Hydroxyl group
B
Amine group
C
Ester group
D
Carbonyl group
Verified step by step guidance1
Step 1: Begin by understanding what chlorophyll b is. Chlorophyll b is a type of chlorophyll found in plants, which plays a crucial role in photosynthesis by absorbing light energy.
Step 2: Identify the structure of chlorophyll b. Chlorophyll b is a complex molecule that contains several functional groups, including an ester group, which is crucial for its function.
Step 3: Review the definition of an ester group. An ester group is characterized by the chemical structure RCOOR', where R and R' are hydrocarbon chains. It is formed from an alcohol and a carboxylic acid.
Step 4: Compare the functional groups listed in the problem. Hydroxyl groups (OH) are typically found in alcohols, amine groups (NH2) are found in amines, and carbonyl groups (C=O) are found in ketones and aldehydes. None of these match the ester group structure.
Step 5: Conclude that the ester group is indeed present in chlorophyll b, as it is part of the molecule's structure, contributing to its function in photosynthesis.
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